Basic System Commands
This chapter describes the basic Cisco NX-OS system commands available on Cisco Nexus 3000 Series switches. These commands allow you to navigate and control the switch.
Note The internal CLI commands are not supported.
banner motd
To configure the message-of-the-day (MOTD) banner that displays when the user logs in to a Cisco Nexus 3000 Series switch, use the banner motd command. To revert to the default, use the no form of this command.
banner motd delimiter message delimiter
no banner motd
Syntax Description
delimiter |
Delimiter character that indicates the start and end of the message and is not a character that you use in the message. Do not use ‘’ or % as a delimiting character. White space characters will not work. |
message |
Message text. The text is alphanumeric, case sensitive, and can contain special characters. It cannot contain the delimiter character you have chosen. The text has a maximum length of 80 characters and a maximum of 40 lines. |
Command Default
“Nexus 3000 Switch” is the default MOTD string.
Command Modes
Interface configuration mode
Command History
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|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
To create a multiple-line MOTD banner, press Enter before typing the delimiting character to start a new line. You can enter up to 40 lines of text.
This command does not require a license.
Examples
This example shows how to configure a single-line MOTD banner:
switch# configure terminal
switch(config)# banner motd #Unauthorized access to this device is prohibited!#
This example shows how to configure a multiple-line MOTD banner:
switch# configure terminal
switch(config)# banner motd #Welcome Authorized Users Unauthorized access prohibited!#
This example shows how to revert to the default MOTD banner:
switch# configure terminal
switch(config)# no banner motd
Related Commands
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show banner motd |
Displays the MOTD banner. |
boot
To configure the boot variable for the Cisco Nexus 3000 Series NX-OS software image, use the boot command. To clear the boot variable, use the no form of this command.
boot nxos bootflash : [ //server/ ] [ directory ] filename
no boot nxos
Note These commands are available beginning with Cisco NX-OS Release 7.0(3)I2(1). In previous releases, the command requires a kickstart or system image and uses the following syntax: boot {kickstart | system} bootflash: [//server/] [directory] filename
Syntax Description
bootflash: |
Specifies the name of the bootflash file system. |
//server/ |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the NX-OS software image file. The filename is case sensitive. |
Note There can be no spaces in the bootflash://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
7.0(3)I2(1) |
Kickstart and system images are no longer used. A single image binary is now used for booting Cisco Nexus 3000 Series platforms and the Cisco Nexus 9000 Series platforms. |
Usage Guidelines
The Cisco NX-OS software uses the boot variable for loading images when booting up. You must copy the correct image to the switch before you reload.
This command does not require a license.
Examples
This example shows how to configure the NX-OS boot variable:
switch(config)# boot nxos bootflash:nxos.7.0.3.I2.1.bin
This example shows how to clear the NX-OS boot variable:
switch(config)# no boot nxos
Related Commands
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copy |
Copies files. |
show boot |
Displays boot variable configuration information. |
bootmode
Use the bootmode command to load an executable image and to enter the command-line interface.
bootmode [-g | -p | -p2g | -g2p]
Syntax Description
-g |
(Optional) Specifies to load GRUB (from bootflash or local disk) and enter EXEC mode on next system reboot. |
-p |
(Optional) Specifies to load PXE (from network) and enter EXEC mode on next system reboot. |
-p2g |
(Optional) Specifies to load PXE followed by GRUB and enter EXEC mode on next system reboot. |
-g2p |
(Optional) Specifies to load GRUB followed by PXE and enter EXEC mode on next system reboot. |
Usage Guidelines
When you enter the bootmode command without any arguments, the switch displays the current boot mode.
When you run bootmode command with options, they are executed immediately and apply only to the next boot operation.
Examples
This example shows how to specify the bootmode command:
loader> Boot Mode is: GRUB boot only
This example shows how to specify the bootmode command with option -p:
Current Boot Mode is: GRUB boot only
Set Boot Mode to: PXE boot only
This example shows how to specify the bootmode command with option -p2g:
Current Boot Mode is: PXE boot only
Set Boot Mode to: PXE boot first, follow by bootflash if netboot failed
cd
To change the current working directory in the device file system, use the cd command.
cd [ filesystem :] [// server /] directory
Syntax Description
filesystem : |
(Optional) Name of the file system. Valid values are bootflash or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
Name of the destination directory. The directory name is case sensitive. |
Note There can be no spaces in the filesystem://server/directory string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the pwd command to verify the current working directory.
This command does not require a license.
Examples
This example shows how to change the current working directory on the current file system:
This example shows how to change the current working directory to another file system:
Related Commands
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pwd |
Displays the current working directory name. |
clear cli history
To clear the command history, use the clear cli history command.
clear cli history
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the show cli history command to display the history of the commands that you entered at the command-line interface (CLI).
This command does not require a license.
Examples
This example shows how to clear the command history:
switch# clear cli history
Related Commands
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show cli history |
Displays the command history. |
clear cores
To clear the core files, use the clear cores command.
clear cores
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
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|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the show system cores command to display information about the core files.
This command does not require a license.
Examples
This example shows how to clear the core file:
Related Commands
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show system cores |
Displays the core filename. |
system cores |
Configures the core filename. |
clear debug-logfile
To clear the contents of the debug log file, use the clear debug-logfile command.
clear debug-logfile filename
Syntax Description
filename |
Name of the debug log file to clear. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to clear the debug log file:
switch# clear debug-logfile syslogd_debugs
Related Commands
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debug logfile |
Configures a debug log file. |
debug logging |
Enables debug logging. |
show debug logfile |
Displays the contents of the debug log file. |
clear install failure-reason
To clear the reason for software installation failures, use the clear install failure-reason command.
clear install failure-reason
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to clear the reason for software installation failures:
switch# clear install failure-reason
Related Commands
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show install all |
Displays status information for the software installation. |
clear license
To uninstall a license, use the clear license command.
clear license filename
Syntax Description
filename |
Name of the license file to be uninstalled. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to clear a specific license:
switch# clear license fm.lic
Related Commands
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show license |
Displays license information. |
clear user
To log out a particular user, use the clear user command.
clear user username
Syntax Description
username |
Name of the user to be logged out. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to log out a specific user:
Related Commands
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show users |
Displays the users currently logged on the switch. |
cli var name
To define a command-line interface (CLI) variable for a terminal session, use the cli var name command. To remove the CLI variable, use the no form of this command.
cli var name variable-name variable-text
no cli var name variable-name
Syntax Description
variable-name |
Name of the variable. The name is alphanumeric, case sensitive, and has a maximum of 31 characters. |
variable-text |
Variable text. The text is alphanumeric, can contain spaces, and has a maximum of 200 characters. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can reference a CLI variable using the following syntax:
Instances where you can use variables include the following:
- Command scripts
- Filenames
You cannot reference a variable in the definition of another variable.
The Cisco NX-OS software provides a predefined variable, TIMESTAMP, that you can use to insert the time of day. You cannot change or remove the TIMESTAMP CLI variable.
You cannot change the definition of a CLI variable. You must remove the variable and then create it again with the new definition.
This command does not require a license.
Examples
This example shows how to define a CLI variable:
switch# cli var name testvar interface ethernet 1/3
This example shows how to reference a CLI variable:
This example shows how to reference the TIMESTAMP variable:
switch# copy running-config > bootflash:run-config-$(TIMESTAMP).cnfg
This example shows how to remove a CLI variable:
switch# cli no var name testvar
Related Commands
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run-script |
Runs command scripts. |
show cli variables |
Displays the CLI variables. |
clock set
To manually set the clock on a Cisco Nexus 3000 Series switch, use the clock set command.
clock set time day month year
Syntax Description
time |
Time of day. The format is HH : MM : SS. |
day |
Day of the month. The range is from 1 to 31. |
month |
Month of the year. The values are January, February, March, April, May, June, July, August, September, October, November, and December. |
year |
Year. The range is from 2000 to 2030. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use this command when you cannot synchronize the switch with an outside clock source, such as an NTP server.
This command does not require a license.
Examples
This example shows how to manually configure the clock:
switch# clock set 12:00:00 04 July 2008
Related Commands
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show clock |
Displays the clock time. |
clock summer-time
To configure the summer-time (daylight saving time) offset, use the clock summer-time command. To revert to the default, use the no form of this command.
clock summer-time zone-name start-week start-day start-month start-time end-week end-day end-month end-time offset-minutes
no clock summer-time
Syntax Description
zone-name |
Time zone string. The time zone string is a three-character string. |
start-week |
Week of the month to start the summer-time offset. The range is from 1 to 5. |
start-day |
Day of the month to start the summer-time offset. Valid values are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday. |
start-month |
Month to start the summer-time offset. Valid values are January, February, March, April, May, June, July, August, September, October, November, and December. |
start-time |
Time to start the summer-time offset. The format is HH : MM. |
end-week |
Week of the month to end the summer-time offset. The range is from 1 to 5. |
end-day |
Day of the month to end the summer-time offset. Valid values are Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday. |
end-month |
Month to end the summer-time offset. Valid values are January, February, March, April, May, June, July, August, September, October, November, and December. |
end-time |
Time to end the summer-time offset. The format is HH : MM. |
offset-minutes |
Number of minutes to offset the clock. The range is from 1 to 1440. |
Command Modes
Interface configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to configure the offset for summer-time or daylight saving time:
switch(config)# clock summer-time PDT 1 Sunday March 02:00 5 Sunday November 02:00 60
This example shows how to revert to the default offset for summer-time:
switch(config)# no clock summer-time
Related Commands
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show clock |
Displays the clock summer-time offset configuration. |
clock timezone
To configure the time zone offset from Coordinated Universal Time (UTC), use the clock timezone command. To revert to the default, use the no form of this command.
clock timezone zone-name offset-hours offset-minutes
no clock timezone
Syntax Description
zone-name |
Zone name. The name is a 3-character string for the time zone acronym (for example, PST or EST). |
offset-hours |
Number of hours offset from UTC. The range is from –23 to 23. |
offset-minutes |
Number of minutes offset from UTC. The range is from 0 to 59. |
Command Modes
Interface configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use this command to offset the device clock from UTC.
This command does not require a license.
Examples
This example shows how to configure the time zone offset from UTC:
switch(config)# clock timezone PST -8 0
This example shows how to revert the time zone offset to the default:
switch# no clock timezone
Related Commands
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show clock |
Displays the clock time. |
configure session
To create or modify a configuration session, use the configure session command.
configure session name
Syntax Description
name |
Name of the session. The name is a case-sensitive, alphanumeric string up to 63 characters. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to create a configuration session:
switch# configure session MySession
Related Commands
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show configuration session |
Displays information about the configuration sessions. |
configure terminal
To enter configuration mode, use the configure terminal command.
configure terminal
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use this command to enter configuration mode. Commands in this mode are written to the running configuration file as soon as you enter them (using the Enter key/ Carriage Return).
After you enter the configure terminal command, the system prompt changes from switch# to switch(config)#, indicating that the switch is in configuration mode. To leave configuration mode and return to EXEC mode, type end or press Ctrl-Z.
To view the changes to the configuration that you have made, use the show running-config command.
This command does not require a license.
Examples
This example shows how to enter configuration mode:
switch# configure terminal
Related Commands
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copy running-config startup-config |
Saves the running configuration as the startup configuration file. |
end |
Ends your configuration session by exiting to EXEC mode. |
exit (global) |
Exits from the current configuration mode to the next highest configuration mode. |
show running-config |
Displays the current running configuration. |
copy
To copy any file from a source to a destination, use the copy command.
copy source-url destination-url
Syntax Description
source-url |
Location URL (or variable) of the source file or directory to be copied. The source can be either local or remote, depending upon whether the file is being downloaded or uploaded. For more information, see the “Usage Guidelines” section. |
destination-url |
Destination URL (or variable) of the copied file or directory. The destination can be either local or remote, depending upon whether the file is being downloaded or uploaded. For more information, see the “Usage Guidelines” section. |
Command Default
The default name for the destination file is the source filename.
Command Modes
EXEC mode
Command History
|
|
6.0(2)U2(1) |
Added support for running the configuration file on startup. |
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The copy command allows you to copy a file (such as a system image or configuration file) from one location to another location. The source and destination for the file is specified using a Cisco NX-OS file system URL, which allows you to specify a local or remote file location. The file system being used (such as a local memory source or a remote server) determines the syntax used in the command.
You can enter on the command line all necessary source- and destination-URL information and the username to use, or you can enter the copy command and have the CLI prompt you for any missing information.
The entire copying process may take several minutes, depending on the network conditions and the size of the file, and differs from pr6.0(2)A3(2)otocol to protocol and from network to network.
The colon character (:) is required after the file system URL prefix keywords (such as bootflash).
In the URL syntax for ftp:, scp:, sftp:, tftp, and http:, the server is either an IPv4 address or a hostname.
Format of Source and Destination URL
The format of the source and destination URLs varies according to the file or directory location. You can enter either a command-line interface (CLI) variable for a directory or a filename that follows the Cisco NX-OS file system syntax ( filesystem :[/ directory ][/ filename ]).
The following tables list URL prefix keywords by the file system type. If you do not specify a URL prefix keyword, the switch looks for a file in the current directory.
Table 1 lists URL prefix keywords for local writable storage file systems. Table 2 lists the URL prefix keywords for remote file systems. Table 3 lists the URL prefix keywords for nonwritable file systems.
Table 1 URL Prefix Keywords for Local Writable Storage File Systems
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bootflash: [ // server / ] |
Source or destination URL for boot flash memory. The server argument value is module-1, sup-1, sup-active, or sup-local. |
volatile: [ // server / ] |
Source or destination URL of the default internal file system. Any files or directories stored in this file system will be erased when the switch reboots. The server argument value is module-1, sup-1, sup-active, or sup-local. |
Table 2 URL Prefix Keywords for Remote File Systems
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ftp: |
Source or destination URL for a FTP network server. The syntax for this alias is as follows: ftp: [ // server][/path]/filename |
scp: |
Source or destination URL for a network server that supports Secure Shell (SSH) and accepts copies of files using the secure copy protocol (scp). The syntax for this alias is as follows: scp: [ // [ username @ ] server ][ / path ] / filename |
sftp: |
Source or destination URL for an SSH FTP (SFTP) network server. The syntax for this alias is as follows: sftp: [ // [ username @ ] server ][ / path ] / filename |
tftp: |
Source or destination URL for a TFTP network server. The syntax for this alias is as follows: tftp: [ // server [ : port ]][ / path ] / filename |
http: |
Source or destination URL for an HTTP network server. The syntax for this alias is as follows: http: [ // server] ][ / path ] / filename |
Table 3 URL Prefix Keywords for Special File Systems
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debug: |
Local memory for debug files. You can copy core files from the debug file system. |
log: |
Local memory for log files. You can copy log files from the log file system. |
modflash: |
External memory for mod files. You can copy mod files from modflash file system. |
system: |
Local system memory. You can copy the running configuration to or from the system file system. The system file system is optional when referencing the running-config file in a command. |
usb1: |
Source or destination URL for the external Universal Serial Bus (USB) Flash memory devices. |
volatile: |
Local volatile memory. You can copy files to or from the volatile file system. All files in the volatile memory are lost when the physical device reloads. |
This section contains usage guidelines for the following topics:
Copying Files from a Server to Bootflash Memory
Use the copy source-url bootflash: command (for example, copy tftp: source-url bootflash:) to copy an image from a server to the local bootflash memory.
Copying a Configuration File from a Server to the Running Configuration
Use the copy { ftp: | scp: | sftp: | tftp: | http: } source-url running-config command to download a configuration file from a network server to the running configuration of the device. The configuration is added to the running configuration as if the commands were typed in the CLI. The resulting configuration file is a combination of the previous running configuration and the downloaded configuration file. The downloaded configuration file has precedence over the previous running configuration.
You can copy either a host configuration file or a network configuration file. Accept the default value of host to copy and load a host configuration file containing commands that apply to one network server in particular. Enter network to copy and load a network configuration file that contains commands that apply to all network servers on a network.
Copying a Configuration File from a Server to the Startup Configuration
Use the copy { ftp: | scp: | sftp: | tftp: | http: } source-url startup-config command to copy a configuration file from a network server to the switch startup configuration. These commands replace the startup configuration file with the copied configuration file.
The startup configuration file is stored as an ASCII text file and all commands in the configuration file are run during the next startup to generate the binary configuration file. This is equivalent to booting with “write erase” and applying configuration commands sequentially on reload.
Note Because all commands in the startup configuration file are run as configuration commands, this can delay the ASCII configuration file from taking effect.
Copying the Running or Startup Configuration on a Server
Use the copy running-config { ftp: | scp: | sftp: | tftp: | http: } destination-url command to copy the current configuration file to a network server that uses FTP, scp, SFTP, or TFTP. Use the copy startup-config { ftp: | scp: | stfp: | tftp: } destination-url command to copy the startup configuration file to a network server.
You can use the copied configuration file copy as a backup.
This command does not require a license.
Examples
This example shows how to copy a file within the same directory:
This example shows how to copy a file to another directory:
switch# copy file1 my-scripts/file2
This example shows how to copy a file to another file system:
switch# copy file1 bootflash:
This example shows how to copy a file to another supervisor module:
switch# copy file1 bootflash://sup-1/file1.bak
This example shows how to copy a file from a remote server:
switch# copy scp://192.168.1.1/image-file.bin bootflash:image-file.bin
Related Commands
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cd |
Changes the current working directory. |
delete |
Delete a file or directory. |
dir |
Displays the directory contents. |
move |
Moves a file. |
pwd |
Displays the name of the current working directory. |
copy running-config startup-config
To save the running configuration to the startup configuration file so that all current configuration details are available after a reboot, use the copy running-config startup-config command.
copy running-config startup-config
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
To view the changes to the configuration that you have made, use the show startup-config command.
Note Once you enter the copy running-config startup-config command, the running and the startup copies of the configuration are identical.
This command does not require a license.
Examples
This example shows how to save the running configuration to the startup configuration:
switch# copy running-config startup-config
Related Commands
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show running-config |
Displays the currently running configuration. |
show startup-config |
Displays the startup configuration file. |
databits
To configure the number of data bits in a character for the terminal port, use the databits command. To revert to the default, use the no form of this command.
databits bits
no databits bits
Syntax Description
bits |
Number of data bits in a character. The range is from 5 to 8. |
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the number of data bits for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# databits 7
This example shows how to revert to the default number of data bits for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no databits 7
Related Commands
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show line |
Displays information about the console port configuration. |
debug logfile
To direct the output of the debug commands to a specified file, use the debug logfile command. To revert to the default, use the no form of this command.
debug logfile filename [ size bytes ]
no debug logfile filename [ size bytes ]
Syntax Description
filename |
Name of the file for debug command output. The filename is alphanumeric, case sensitive, and has a maximum of 64 characters. |
size bytes |
(Optional) Specifies the size of the log file in bytes. The range is from 4096 to 4194304. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The Cisco NX-OS software creates the logfile in the log: file system root directory. Use the dir log: command to display the log files.
This command does not require a license.
Examples
This example shows how to specify a debug log file:
switch# debug logfile debug_log
This example shows how to revert to the default debug log file:
switch# no debug logfile debug_log
Related Commands
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dir |
Displays the contents of a directory. |
show debug logfile |
Displays the debug logfile contents. |
debug logging
To enable debug command output logging, use the debug logging command. To disable debug logging, use the no form of this command.
debug logging
no debug logging
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to enable the output logging for the debug command:
This example shows how to disable the output logging for the debug command:
Related Commands
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debug logfile |
Configures the log file for the debug command output. |
delete
To delete a file or directory, use the delete command.
delete [ filesystem :] [// server /] [ directory ] filename
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, debug, log, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to delete. The filename is case sensitive. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the dir command to locate the file you that want to delete.
The delete command will delete a directory and its contents. Exercise caution when using this command to delete directories.
This command does not require a license.
Examples
This example shows how to delete a file:
switch# delete bootflash:old_config.cfg
This example shows how to delete a directory:
This is a directory. Do you want to continue (y/n)? [y] y
Related Commands
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dir |
Displays the contents of a directory. |
save |
Saves the configuration session to a file. |
dir
To display the contents of a directory, use the dir command.
dir [ filesystem :] [// server /] [ directory ]
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, debug, log, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
Note There can be no spaces in the filesystem://server/directory string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Default
Displays the contents of the current working directory.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The dir command displays a listing of the files in the specified directory. For each file, it lists the size of the file in bytes, the last modified time of the file, and the filename of the file. This command then displays the usage statistics for the file system.
Use the pwd command to verify the current working directory.
Use the cd command to change the current working directory.
This command does not require a license.
Examples
This example shows how to display the contents of the root directory in bootflash:
This example shows how to display the contents of the current working directory:
Related Commands
|
|
cd |
Changes the current working directory. |
delete |
Deletes a file or directory. |
pwd |
Displays the name of the current working directory. |
rmdir |
Deletes a directory. |
echo
To display a text string on the terminal, use the echo command.
echo [ text ]
Syntax Description
text |
(Optional) Text string to display. The text string is alphanumeric, case sensitive, can contain spaces, and has a maximum length of 200 characters. The text string can also contain references to CLI variables. |
Command Default
Blank line
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can use this command in a command script to display status information or prompts while the script is running.
This command does not require a license.
Examples
This example shows how to display a blank line at the command prompt:
This example shows how to display a line of text at the command prompt:
switch# echo Script run at $(TIMESTAMP).
Related Commands
|
|
run-script |
Runs command scripts. |
show cli variables |
Displays the CLI variables. |
end
To end the current configuration session and return to EXEC mode, use the end command.
end
Syntax Description
This command has no arguments or keywords.
Command Modes
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command returns you to EXEC mode regardless of which configuration mode you are in. Use this command when you are done configuring the system and you want to return to EXEC mode to perform verification steps.
This command does not require a license.
Examples
This example shows how the end command is used to exit from interface configuration mode and return to EXEC mode. A show command is used to verify the configuration.
switch# configure terminal
switch(config)# interface ethernet 1/1
switch(config-if)# switchport host
switch# show interface ethernet 1/1
Related Commands
|
|
exit (EXEC) |
Terminates the active terminal session by logging off the switch. |
exit (global) |
Exits from the current configuration mode. |
exec-timeout
To configure the inactive session timeout on the console port or the virtual terminal, use the exec-timeout command. To revert to the default, use the no form of this command.
exec-timeout minutes
no exec-timeout
Syntax Description
minutes |
Number of minutes. The range is from 0 to 525600. A setting of 0 minutes disables the timeout. |
Command Default
Timeout is disabled.
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the inactive session timeout for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# exec-timeout 30
This example shows how to revert to the default inactive session timeout for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no exec-timeout
This example shows how to configure the inactive session timeout for the virtual terminal:
switch# configure terminal
switch(config-line)# exec-timeout 30
This example shows how to revert to the default inactive session timeout for the virtual terminal:
switch# configure terminal
switch(config-line)# no exec-timeout
Related Commands
|
|
line console |
Enters the console terminal configuration mode. |
line vty |
Enters the virtual terminal configuration mode. |
show running-config |
Displays the running configuration. |
exit (EXEC)
To close an active terminal session by logging off the switch, use the exit command.
exit
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how the exit (global) command is used to move from configuration mode to EXEC mode and the exit (EXEC) command is used to log off (exit the active session):
Related Commands
|
|
end |
Ends your configuration session by exiting to EXEC mode. |
exit (global) |
Exits from the current configuration mode to the next highest configuration mode. |
exit (global)
To exit any configuration mode to the next highest mode in the CLI mode hierarchy, use the exit command in any configuration mode.
exit
Syntax Description
This command has no arguments or keywords.
Command Modes
All configuration modes
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the exit command in configuration mode to return to EXEC mode. Use the exit command in interface, VLAN, or zone configuration mode to return to configuration mode. At the highest level, EXEC mode, the exit command will exit the EXEC mode and disconnect from the switch (see the description of the exit (EXEC) command for details).
This command does not require a license.
Examples
This example shows how to exit from the interface configuration mode and to return to the configuration mode:
switch# configure terminal
switch(config)# interface ethernet 1/1
Related Commands
|
|
end |
Ends your configuration session by exiting to privileged EXEC mode. |
exit (EXEC) |
Terminates the active terminal session by logging off the switch. |
fast-reload
To reload the switch, use the fast- reload command.
fast-reload [kickstart kickstart_url| save-config | system system_url}
Note Beginning with Release 7.0(3)I2(1), a single image binary is now used for booting the N3000 platform. Kickstart and system images are no longer used. For example: fast-reload nxos <single_image_binary>.
Syntax Description
kickstart kickstart_url |
Reloads the boot variable for the Cisco Nexus 3000 Series or the Cisco Nexus 3100 Series kickstart software image |
save-config |
Saves the running-config to startup-config after fast-reload |
system system_url |
Reloads the boot variable for the Cisco Nexus 3000 Series or the Cisco Nexus 3100 Series system software image |
Command Default
Reloads Cisco Nexus 3000 Series and Cisco Nexus 3100 Series switches.
Command Modes
EXEC mode
Command History
|
|
6.0(2)U2(1) |
This command was introduced. |
7.0(3)I2(1) |
A single image binary is now used for booting the N3000 platform. Kickstart and system images are no longer used. |
Usage Guidelines
The format of the kickstart and system URLs varies according to the file system, directory, and file location.
The following are the URL prefix keywords for local writable storage file systems, remote file systems, and special file systems. If you do not specify a URL prefix keyword, the switch looks for a file in the current directory.
|
|
bootflash: |
Source URL for boot flash memory. |
modflash: |
Source URL of an external flash file system for mod files. |
volatile: |
Source URL of the default internal file system. Any files or directories stored in this file system are erased when the switch reboots. |
usb1: |
Source or destination URL for the external Universal Serial Bus (USB) Flash memory devices. |
ftp: |
Source URL for a FTP network server. The syntax for this alias is as follows: ftp:[//server][/path]/filename |
scp: |
Source URL for a network server that supports Secure Shell (SSH) and uses the secure copy protocol (scp). The syntax is as follows: scp:[//[username@]server][/path]/filename |
sftp: |
Source URL for an SSH FTP (SFTP) network server. The syntax is as follows: sftp:[//[username@]server][/path]/filename |
tftp: |
Source URL for a TFTP network server. The syntax is as follows: tftp:[//server[:port]][/path]/filename |
Caution
The fast-
reload command may briefly disrupt traffic on the switch.
To ensure that subsequent fast reboot operations use the new kickstart and system images as the boot variables, specify the save-config option while running the fast-reload command. If the save-config option is not specified, the fast-reload command does not save the boot variables and subsequent fast reboot operations use the old kickstart and system images as boot variables.
Examples
This example shows how to use the fast-reload command to reload Cisco Nexus 3000 Series and Cisco Nexus 3100 switches:
switch# fast-reload kickstart bootflash:///ei479.k system bootflash:///ei488.s
Notifying services about fast-reload.
fast-reload can proceed!!
Do you want to continue with the installation (y/n)? [n] y
[207486.428671] writing reset reason 133, <NULL>
2010 Nov 17 03:26:50 switch %$ VDC-1 %$ Nov 17 03:26:49 %KERN-0-SYSTEM_MSG: [207
486.428671] writing reset reason 133, <NULL> - kernel
2010 Nov 17 03:26:57 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: Fastboot Begin - bcm
[207496.060397] Starting new kernel
[207496.099000] Calling kexec callback
[207496.100002] Moving to new kernel
[207496.100002] Calling into reboot_code_buffer code
[ 0.000000] Isanimg at 0xc100000 Size 170414080
Usage: init 0123456SsQqAaBbCcUu
INIT: POST INIT Starts at Wed Nov 17 03:27:05 UTC 2010
Loading System Software Wed Nov 17 03:27:19 UTC 2010
System Software(/isan-upgrade/isan.bin) Loaded Wed Nov 17 03:27:32 UTC 2010
INIT: Entering runlevel: 3
Mounting other filesystems: [
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Added VLAN with VID == 4042 to IF -:muxif:-
2010 Nov 17 03:27:38 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: FAST REBOOT ENABLED
2010 Nov 17 03:27:39 switch %$ VDC-1 %$ %USER-2-SYSTEM_MSG: CLIS: loading cmd fi
2010 Nov 17 03:27:50 switch %$ VDC-1 %$ %USER-2-SYSTEM_MSG: CLIS: loading cmd fi
2010 Nov 17 03:27:50 switch %$ VDC-1 %$ %USER-2-SYSTEM_MSG: CLIS: init begin -
2010 Nov 17 03:28:18 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: Before ASIC reset -
2010 Nov 17 03:28:20 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: Starting bcm_attach
2010 Nov 17 03:28:21 switch %$ VDC-1 %$ %VDC_MGR-2-VDC_ONLINE: vdc 1 has come on
2010 Nov 17 03:28:23 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: Finished bcm_attach.
2010 Nov 17 03:28:24 switch %$ VDC-1 %$ %-2-ASIC_DONE:
2010 Nov 17 03:28:30 switch %$ VDC-1 %$ %ETHPC-2-PORTS_UP:
2010 Nov 17 03:28:54 switch %$ VDC-1 %$ %USER-0-SYSTEM_MSG: Fastboot done - bcm_
Related Commands
|
|
copy running-config startup-config |
Copies the current running configuration to the startup configuration. |
show version |
Displays information about the software version. |
feature interface-vlan
To enable the creation of VLAN interfaces, use the feature interface-vlan command. To disable the VLAN interface feature, use the no form of this command.
feature interface-vlan
no feature interface-vlan
Syntax Description
This command has no arguments or keywords.
Command Default
VLAN interfaces are disabled.
Command Modes
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You must use the feature interface-vlan command before you can create VLAN interfaces.
This command does not require a license.
Examples
This example shows how to enable the interface VLAN feature on the switch:
switch(config)# feature interface-vlan
Related Commands
|
|
interface vlan |
Creates a VLAN interface. |
show feature |
Displays whether or not VLAN interface is enabled on the switch. |
feature lacp
To enable Link Aggregation Control Protocol (LACP), which bundles a number of physical ports together to form a single logical channel, use the feature lacp command. To disable LACP on the switch, use the no form of this command.
feature lacp
no feature lacp
Syntax Description
This command has no arguments or keywords.
Command Default
LACP is disabled.
Command Modes
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You must remove all the LACP configuration parameters from all EtherChannels on the switch before you can disable LACP.
Even after you enable LACP globally, you do not have to run LACP on all EtherChannels on the switch. You enable LACP on each channel mode using the channel-group mode command.
This command does not require a license.
Examples
This example shows how to enable LACP EtherChannels on the switch:
switch(config)# feature lacp
Related Commands
|
|
show lacp |
Displays information on LACP. |
show feature |
Displays whether or not LACP is enabled on the switch. |
feature udld
To enable the Cisco-proprietary Unidirectional Link Detection (UDLD) protocol, which allows ports that are connected through fiber optics or copper Ethernet cables to monitor the physical configuration of the cables and detect when a unidirectional link exists, use the feature udld command. To disable UDLD on the switch, use the no form of this command.
feature udld
no feature udld
Syntax Description
This command has no arguments or keywords.
Command Default
UDLD is disabled.
Command Modes
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to enable UDLD on the switch:
switch(config)# feature udld
Related Commands
|
|
show udld |
Displays the administrative and operational UDLD status. |
show feature |
Displays whether or not UDLD is enabled on the switch. |
find
To find filenames beginning with a character string, use the find command.
find filename-prefix
Syntax Description
filename-prefix |
First part or all of a filename. The filename prefix is case sensitive. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The find command searches all subdirectories under the current working directory. You can use the cd and pwd commands to navigate to the starting directory.
This command does not require a license.
Examples
This example shows how to display filenames beginning with “n3000”:
Related Commands
|
|
cd |
Changes the current working directory. |
pwd |
Displays the name of the current working directory. |
format
To format the bootflash device, which erases its contents and restores it to its factory-shipped state, use the format command.
format bootflash:
Syntax Description
bootflash: |
Specifies the name of the bootflash file system. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to format the bootflash device:
switch# format bootflash:
Related Commands
|
|
cd |
Changes the current working directory. |
dir |
Displays the directory contents. |
pwd |
Displays the name of the current working directory. |
gunzip
To uncompress a compressed file, use the gunzip command.
gunzip [ filesystem :] [// server /] [ directory ] filename
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to uncompress. The filename is case sensitive. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The compressed filename must have the.gz extension.
The Cisco NX-OS software uses Lempel-Ziv 1977 (LZ77) coding for compression.
This command does not require a license.
Examples
This example shows how to uncompress a compressed file:
switch# gunzip run_cnfg.cfg.gz
Related Commands
|
|
dir |
Displays the directory contents. |
gzip |
Compresses a file. |
gzip
To compress a file, use the gzip command.
gzip [ filesystem :] [// server /] [ directory ] filename
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to compress. The filename is case sensitive. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
After you run this command, the named file is replaced with a compressed file that has the.gz extension added to its filename.
The Cisco NX-OS software uses Lempel-Ziv 1977 (LZ77) coding for compression.
This command does not require a license.
Examples
This example shows how to compress a file:
switch# gzip run_cnfg.cfg
Related Commands
|
|
dir |
Displays the directory contents. |
gunzip |
Uncompresses a compressed file. |
hostname
To configure the hostname for the switch, use the hostname command. To revert to the default, use the no form of this command.
hostname name
no hostname
Syntax Description
name |
Hostname for the switch. The name is alphanumeric, case sensitive, can contain special characters, and can have a maximum of 32 characters. |
Command Default
“switch” is the default hostname.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The Cisco NX-OS software uses the hostname in command-line interface (CLI) prompts and in default configuration filenames.
The hostname command performs the same function as the switchname command.
This command does not require a license.
Examples
This example shows how to configure the hostname for a Cisco Nexus 3000 Series switch:
switch# configure terminal
switch(config)# hostname Engineering2
This example shows how to revert to the default hostname:
Engineering2# configure terminal
Engineering2(config)# no hostname
Related Commands
|
|
show hostname |
Displays the switch hostname. |
show switchname |
Displays the switch hostname. |
switchname |
Configures the switch hostname. |
install all
To install the kickstart and system images on a Cisco Nexus 3000 Series switch, use the install all command.
install all [ kickstart kickstart-url ] [ system system-url ]
Syntax Description
kickstart |
(Optional) Specifies the kickstart image file. |
kickstart-url |
Full address of the kickstart image file. The name is case sensitive. |
system |
(Optional) Specifies the system image file. |
system-url |
Full address of the system image file. The name is case sensitive. |
Command Default
If you do not enter any parameters, the boot variable values are used.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The format of the kickstart and system URLs varies according to the file system, directory, and file location.
The following tables list URL prefix keywords by the file system type. If you do not specify a URL prefix keyword, the switch looks for a file in the current directory.
Table 4 lists URL prefix keywords for local writable storage file systems. Table 5 lists the URL prefix keywords for remote file systems. For remote file systems, if it is not otherwise specified, the path is the default for the user on the remote server.
Table 4 URL Prefix Keywords for Local Writable Storage File Systems
|
|
bootflash: [ // server / ] |
Source URL for boot flash memory. The server argument value is module-1, sup-1, sup-active, or sup-local. |
modflash: [ // server / ] |
Source URL of an external flash file system. The server argument value is module-1, sup-1, sup-active, or sup-local. |
volatile: [ // server / ] |
Source URL of the default internal file system. Any files or directories stored in this file system are erased when the switch reboots. The server argument value is module-1, sup-1, sup-active, or sup-local. |
Table 5 URL Prefix Keywords for Remote File Systems
|
|
ftp: |
Source URL for a FTP network server. The syntax for this alias is as follows: ftp: [//server][/path]/filename |
scp: |
Source URL for a network server that supports Secure Shell (SSH) and uses the secure copy protocol (scp). The syntax is as follows: scp: [//[ username @ ] server ][/ path ]/ filename |
sftp: |
Source URL for an SSH FTP (SFTP) network server. The syntax is as follows: sftp: [//[ username @] server ][/ path ]/ filename |
tftp: |
Source URL for a TFTP network server. The syntax is as follows: tftp: [// server [: port ]][/ path ]/filename |
If you do not enter the information about the server or username when downloading and installing the image files from a remote server, you are prompted for the information.
This command sets the kickstart and system boot variables and copies the image files to the redundant supervisor module.
The install all command upgrades the switch software.
You can use the install all command to downgrade the Cisco NX-OS software on the switch. To determine if the downgrade software is compatible with the current configuration on the switch, use the show incompatibility system command and resolve any configuration incompatibilities.
This command does not require a license.
Examples
This example shows how to install the Cisco NX-OS software from the bootflash: directory:
switch# install all kickstart bootflash:nx-os_kick.bin system bootflash:nx-os_sys.bin
This example shows how to install the Cisco NX-OS software using the values configured in the kickstart and system boot variables:
switch# configure terminal
switch(config)# boot kickstart bootflash:n3000-uk9-kickstart.5.0.3.U1.1.bin
switch(config)# boot system bootflash:n3000-uk9.5.0.3.U1.1.bin
switch# copy running-config startup-config
This example shows how to install the Cisco NX-OS software from an SCP server:
switch# install all kickstart scp://adminuser@192.168.1.1/n3000-uk9-kickstart.5.0.3.U1.1.bin system bootflash:scp://adminuser@192.168.1.1/n3000-uk9.5.0.3.U1.1.bin
Related Commands
|
|
reload |
Reloads the device with new Cisco NX-OS software. |
show incompatibility system |
Displays configuration incompatibilities between Cisco NX-OS system software images. |
show install all |
Displays information related to the install operation. |
show version |
Displays information about the software version. |
install license
To install a license, use the install license command.
install license [ filesystem :] [// server /] [ directory ] src-filename [ target-filename ]
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
src-filename |
Name of the source license file. |
target-filename |
(Optional) Name of the target license file. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Default
All licenses for the Cisco Nexus 3000 Series switches are factory installed. Manual installation is not required.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
If a target filename is provided after the source location, the license file is installed with that name. Otherwise, the filename in the source URL is used. This command also verifies the license file before installing it.
This command does not require a license.
Examples
This example shows how to install a file named license-file that resides in the bootflash: directory:
switch# install license bootflash:license-file
Related Commands
|
|
show license |
Displays license information. |
show license host-id |
Displays the serial number of the chassis to use for licensing. |
show license usage |
Displays license usage information. |
line console
To specify the console port and enter console port configuration mode, use the line console command.
line console
Syntax Description
This command has no arguments or keywords.
Command Modes
Interface configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console line only from a console port session.
This command does not require a license.
Examples
This example shows how to enter console port configuration mode:
switch# configure terminal
switch(config)# line console
Related Commands
|
|
databits |
Configures the number of data bits in a character for a port. |
exec-timeout |
Configures the inactive terminal timeout for a port. |
modem |
Configures the modem settings for a port. |
parity |
Configures the parity settings for a port. |
show line |
Displays information about the console port configuration. |
speed |
Configures the transmit and receive speed for a port. |
stopbits |
Configures the stop bits for a port. |
line vty
To specify the virtual terminal and enter line configuration mode, use the line vty command.
line vty
Syntax Description
This command has no arguments or keywords.
Command Modes
Interface configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to enter console port configuration mode:
switch# configure terminal
Related Commands
|
|
access-class |
Restricts incoming and outgoing connections in VTY configuration mode. |
exec-timeout |
Configures the inactive terminal timeout for a port. |
session-limit |
Configures the maximum number of the concurrent virtual terminal sessions. |
show line |
Displays information about the console port configuration. |
modem in
To enable the modem connection on the console port, use the modem in command. To disable the modem connection, use the no form of this command.
modem in
no modem in
Syntax Description
This command has no arguments or keywords.
Command Default
Timeout is disabled.
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to enable a modem connection on the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# modem in
This example shows how to disable a modem connection on the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no modem in
Related Commands
|
|
line console |
Enters console port configuration mode. |
show line |
Displays information about the console port configuration. |
modem init-string
To download the initialization string to a modem connected to the console port, use the modem init-string command. To revert to the default, use the no form of this command.
modem init-string { default | user-input }
no modem init-string
Syntax Description
default |
Downloads the default initialization string. |
user-input |
Downloads the user-input initialization string. |
Command Default
The default initialization string is ATE0Q1&D2&C1S0=1\015.
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
The default initialization string ATE0Q1&D2&C1S0=1\015 is defined as follows:
- AT—Attention
- E0 (required)—No echo
- Q1—Result code on
- &D2—Normal data terminal ready (DTR) option
- &C1—Enable tracking the state of the data carrier
- S0=1—Pick up after one ring
- \015 (required)—Carriage return in octal
Use the modem set-string command to configure the user-input initialization string.
This command does not require a license.
Examples
This example shows how to download the default initialization string to the modem connected to the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# modem init-string default
This example shows how to download the user-input initialization string to the modem connected to the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# modem init-string user-input
This example shows how to remove the initialization string to the modem connected to the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no modem init-string
Related Commands
|
|
line console |
Enters console port configuration mode. |
modem set-string |
Configures the user-input initialization string for a modem. |
show line |
Displays information about the console port configuration. |
modem set-string user-input
To configure the user-input initialization string to download to a modem connected to the console port, use the modem set-string user-input command. To revert to the default, use the no form of this command.
modem set-string user-input string
no modem set-string
Syntax Description
string |
User-input string. This string is alphanumeric and case sensitive, can contain special characters, and has a maximum of 100 characters. |
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the user-input initialization string for the modem connected to the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# modem set-string user-input ATE0Q1&D2&C1S0=3\015
This example shows how to revert to the default user-input initialization string for the modem connected to the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no modem set-string
Related Commands
|
|
line console |
Enters console port configuration mode. |
modem init-string |
Downloads the user-input initialization string to a modem. |
show line |
Displays information about the console port configuration. |
move
To move a file from one directory to another, use the move command.
move {[ filesystem :] [// server /] [ directory ] source-filename } [ filesystem :] [// server /] [ directory ] [ destination-filename ]
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, debug, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
source-filename |
Name of the file to move. The filename is case sensitive. |
destination-filename |
(Optional) Name of the destination file. The filename is alphanumeric, case sensitive, and has a maximum of 64 characters. |
Command Default
The default filename for the destination file is the same as the source file.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can make a copy of a file by using the copy command.
Tip You can rename a file by moving it within the same directory.
This command does not require a license.
Examples
This example shows how to move a file to another directory:
switch# move file1 my_files/file2
This example shows how to move a file to another file system:
switch# move file1 volatile:
This example shows how to move a file to another supervisor module:
switch# move file1 bootflash://sup-1/file1.bak
Related Commands
|
|
cd |
Changes the current working directory. |
copy |
Makes a copy of a file. |
delete |
Deletes a file or directory. |
dir |
Displays the directory contents. |
pwd |
Displays the name of the current working directory. |
parity
To configure the parity for the console port, use the parity command. To revert to the default, use the no form of this command.
parity { even | none | odd }
no parity { even | none | odd }
Syntax Description
even |
Specifies even parity. |
none |
Specifies no parity. |
odd |
Specifies odd parity. |
Command Default
The none keyword is the default.
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the parity for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# parity even
This example shows how to revert to the default parity for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no parity even
Related Commands
|
|
show line |
Displays information about the console port configuration. |
ping
To determine the network connectivity to another network device, use the ping command.
ping { dest-address | hostname } [ count { number | unlimited }] [ df-bit ] [ interval seconds ] [ packet-size bytes ] [ parent-interface { ethernet slot / port | loopback if_number | port-channel number } member-interface { ethernet slot / port | loopback if_number | port-channel number }] [ source src-address ] [ timeout seconds ] [ vrf { vrf-name | default | management }]
Syntax Description
dest-address |
IPv4 address of the destination device. The format is A . B . C . D. |
hostname |
Hostname of the destination device. The hostname is case sensitive. |
count |
(Optional) Specifies the number of transmissions to send. |
number |
Number of pings. The range is from 1 to 655350. The default is 5. |
unlimited |
Allows an unlimited number of pings. |
df-bit |
(Optional) Enables the do-not-fragment bit in the IPv4 header. The default is disabled. |
interval seconds |
(Optional) Specifies the interval in seconds between transmissions. The range is from 0 to 60. The default is 1 second. |
packet-size bytes |
(Optional) Specifies the packet size in bytes to transmit. The range is from 1 to 65468. The default is 56 bytes. |
parent-interface |
(Optional) Specifies the parent interface to ping. |
ethernet slot / port |
Specifies the Ethernet interface and the slot number and port number. The slot number is from 1 to 255, and the port number is from 1 to 128. |
loopback if_number |
Specifies the loopback interface. The loopback interface number is from 0 to 1023. |
port-channel number |
Specifies the EtherChannel interface and EtherChannel number. The range is from 1 to 4096. |
member-interface |
Specifies the member interface to ping. |
source scr-address |
(Optional) Specifies the source IPv4 address to use. The format is A . B . C . D. The default is the IPv4 address for the management interface of the device. |
timeout seconds |
(Optional) Specifies the nonresponse timeout interval in seconds. The range is from 1 to 60. The default is 2 seconds. |
vrf vrf-name |
(Optional) Specifies the virtual routing and forwarding (VRF) instance to use. The name is case sensitive and can be a maximum of 32 characters. |
default |
(Optional) Specifies the default VRF. |
management |
(Optional) Specifies the management VRF. |
Command Default
For the default values, see the “Syntax Description” section for this command.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
5.0(3)U2(1) |
Support was added to ping parent interfaces. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to determine connectivity to another network device:
switch# ping 192.168.2.246
Related Commands
|
|
ping6 |
Determines connectivity to another device using IPv6 addressing. |
traceroute |
Displays the routes that packets take when traveling to an IP address. |
ping multicast
To determine the network connectivity to IPv4 multicast interfaces, use the ping multicast command.
ping multicast multicast-grp-address interface { ethernet slot / port | loopback if_number | mgmt mgmt_intf | port-channel number } [[ count { number | unlimited }] [ df-bit ] [ interval seconds ]
[ packet-size bytes ] [ parent-interface { ethernet slot / port | loopback if_number | port-channel number } member-interface { ethernet slot / port | loopback if_number | port-channel number }] [ source src-address ] [ timeout seconds ] [ vrf { vrf-name | default | management }]]
Syntax Description
multicast-grp-address |
Multicast group address of the destination device. |
interface |
Specifies the interface to send the IPv4 multicast packets. |
ethernet slot / port |
Specifies an IEEE 802.3z Ethernet interface. The slot number is from 1 to 255, and the port number is from 1 to 128. |
loopback if_number |
Specifies the loopback interface. The loopback interface number is from 0 to 1023. |
mgmt mgmt_intf |
Specifies the management interface. The management interface is 0. |
port-channel number |
Specifies the EtherChannel interface and EtherChannel number. The range is from 1 to 4096. |
count |
(Optional) Specifies the number of transmissions to send. |
number |
Number of pings. The range is from 1 to 655350. The default is 5. |
unlimited |
Allows an unlimited number of pings. |
df-bit |
(Optional) Enables the do-not-fragment bit in the IPv4 header. The default is disabled. |
interval seconds |
(Optional) Specifies the interval in seconds between transmissions. The range is from 0 to 60. The default is 1 second. |
packet-size bytes |
(Optional) Specifies the packet size in bytes to transmit. The range is from 1 to 65468. The default is 56 bytes. |
parent-interface |
Specifies the parent interface to ping. |
source scr-address |
(Optional) Specifies the source IPv4 address to use. The format is A . B . C . D. The default is the IPv4 address for the management interface of the device. |
timeout seconds |
(Optional) Specifies the nonresponse timeout interval in seconds. The range is from 1 to 60. The default is 2 seconds. |
vrf vrf-name |
(Optional) Specifies the virtual routing and forwarding (VRF) instance to use. The name is case sensitive and can be a maximum of 32 characters. |
default |
(Optional) Specifies the default VRF. |
management |
(Optional) Specifies the management VRF. |
Command Modes
EXEC mode
Global configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
5.0(3)U2(1) |
Support was added to ping parent interfaces and multicast group addresses. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to send multicast packets to an Ethernet interface:
switch# ping multicast 239.128.1.0 interface ethernet 1/5
Related Commands
|
|
ping |
Determines connectivity to another device using IPv4 addressing. |
ping6 |
Determines connectivity to another device using IPv6 addressing. |
traceroute |
Displays the routes that packets take when traveling to an IP address. |
ping6
To determine the network connectivity to another device using IPv6 addressing, use the ping6 command.
ping6 { dest-address | hostname } [ count { number | unlimited }] [ interface { ethernet slot / port | loopback if_number | port-channel number }] [ interval seconds ] [ packet-size bytes ] [ source address ] [ timeout seconds ] [ vrf { vrf-name | default | management }]
Syntax Description
dest-address |
Destination IPv6 address. The format is A : B :: C : D. |
hostname |
Hostname of destination device. The hostname is case sensitive. |
count |
(Optional) Specifies the number of transmissions to send. |
number |
Number of pings. The range is from 1 to 655350. The default is 5. |
unlimited |
Allows an unlimited number of pings. |
interface |
(Optional) Specifies the interface to send the IPv6 packet. |
ethernet slot / port |
Specifies an IEEE 802.3z Ethernet interface. The slot number is from 1 to 255, and the port number is from 1 to 128. |
loopback if_number |
Specifies the loopback interface. The loopback interface number is from 0 to 1023. |
port-channel number |
Specifies the EtherChannel interface and EtherChannel number. The range is from 1 to 4096. |
interval seconds |
(Optional) Specifies the interval in seconds between transmissions. The range is from 0 to 60. The default is 1 second. |
packet-size bytes |
(Optional) Specifies the packet size in bytes to transmit. The range is from 1 to 65468. |
source address |
(Optional) Specifies the source IPv6 address to use. The format is A : B :: C : D. The default is the IPv6 address for the management interface of the device. |
timeout seconds |
(Optional) Specifies the nonresponse timeout interval in seconds. The range is from 1 to 60. The default is 2 seconds. |
vrf vrf-name |
(Optional) Specifies the virtual routing and forwarding (VRF) instance to use. The name is case sensitive and can be a maximum of 32 alphanumeric characters. |
default |
(Optional) Specifies the default VRF. |
management |
(Optional) Specifies the management VRF. |
Command Default
For the default values, see the “Syntax Description” section for this command.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to determine connectivity to another device using IPv6 addressing:
switch# ping6 2001:0DB8::200C:417A vrf management
Related Commands
|
|
ping |
Determines connectivity to another device using IPv4 addressing. |
traceroute6 |
Displays the routes that packets take when traveling to an IPv6 address. |
reload
To reload the switch, use the reload command.
reload { all }
Command Default
Reloads the Cisco Nexus 3000 Series switch.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Caution
The
reload command disrupts traffic on the switch.
Note The reload command does not save the running configuration. Use the copy running-config startup-config command to save the current configuration on the switch.
This command does not require a license.
Examples
This example shows how to reload the Cisco Nexus 3000 Series switch:
switch# copy running-config startup-config
WARNING: This command will reboot the system
Do you want to continue? (y/n) [n] y
Related Commands
|
|
copy running-config startup-config |
Copies the current running configuration to the startup configuration. |
show version |
Displays information about the software version. |
rmdir
To remove a directory, use the rmdir command.
rmdir [ filesystem : [// server /]] directory
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
Name of a directory to delete. The directory name is case sensitive. |
Note There can be no spaces in the filesystem://server/directory string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to remove a directory:
Related Commands
|
|
cd |
Changes the current working directory. |
delete |
Deletes a file or directory. |
dir |
Displays the directory contents. |
pwd |
Displays the name of the current working directory. |
run-script
To run a command script file at the command-line interface (CLI), use the run-script command.
run-script [ filesystem :[// module /]][ directory / ] filename
Syntax Description
filesystem : |
(Optional) Name of a file system. The name is case sensitive. |
// module / |
(Optional) Identifier for a supervisor module. Valid values are sup-active, sup-local, sup-remote, or sup-standby. The identifiers are case sensitive. |
directory / |
(Optional) Name of a directory. The name is case sensitive. |
filename |
Name of the command file. The name is case sensitive. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You must create the command file on a remote device and download it to the Cisco Nexus 3000 Series switch using the copy command.
This command does not require a license.
Examples
This example shows how to run a command script file:
switch# run-script script-file
Related Commands
|
|
cd |
Changes the current working directory. |
copy |
Copies files. |
dir |
Displays the directory contents. |
echo |
Displays a test string on the terminal. |
pwd |
Displays the name of the current working directory. |
sleep |
Causes the CLI to pause for a defined number of seconds. |
save
To save the current configuration session to a file, use the save command.
save location
Syntax Description
location |
Location of the file. The location can be in bootflash or volatile. The file name can be any alphanumeric string up to 63 characters. |
Command Modes
Session configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to save a configuration session to a file in bootflash:
switch# configure session MySession
switch(config-s)# save bootflash:sessions/MySession
Related Commands
|
|
configure session |
Creates or modifies a configuration session. |
delete |
Deletes a file from a location. |
send
To send a message to the active user sessions, use the send command.
send [ session line ] text
Syntax Description
session line |
(Optional) Specifies a user session. |
text |
Text string. The text string can be up to 80 alphanumeric characters and is case sensitive. |
Command Default
Sends a message to all active user sessions.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can use the show users command to display information about the active user sessions.
This command does not require a license.
Examples
This example shows how to send a message to all active user sessions on the switch:
switch# send The system will reload in 15 minutes!
The system will reload in 15 minutes!
This example shows how to send a message to a specific user session:
switch# send session pts/0 You must log off the switch.
Related Commands
|
|
show users |
Displays the active user sessions on the switch. |
setup
To enter the basic device setup dialog, use the setup command.
setup [ ficon ]
Syntax Description
ficon |
(Optional) Runs the basic ficon setup command facility. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The setup script uses the factory-default values, not the values that you have configured. You can exit the dialog at any point by pressing Ctrl-C.
This command does not require a license.
Examples
This example shows how to enter the basic device setup script:
Related Commands
|
|
show running-config |
Displays the running configuration. |
session-limit
To configure the maximum number of the concurrent virtual terminal sessions on a device, use the session-limit command. To revert to the default, use the no form of this command.
session-limit sessions
no session-limit sessions
Syntax Description
sessions |
Maximum number of sessions. The range is from 1 to 64. |
Command Default
32 sessions
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to configure the maximum number of concurrent virtual terminal sessions:
switch# configure terminal
switch(config-line)# session-limit 48
This example shows how to revert to the default maximum number of concurrent virtual terminal sessions:
switch# configure terminal
switch(config-line)# no session-limit 48
Related Commands
|
|
line vty |
Enters the virtual terminal configuration mode. |
show running-config |
Displays the running configuration. |
show banner motd
To display the message-of-the-day (MOTD) banner, use the show banner motd command.
show banner motd
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the MOTD banner:
Related Commands
|
|
banner motd |
Configures the MOTD banner. |
show boot
To display the boot variable configuration, use the show boot command.
show boot [ variables ]
Syntax Description
variables |
(Optional) Displays a list of boot variables. |
Command Default
Displays all configured boot variables.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display all configured boot variables:
This example shows how to display the list of boot variable names:
switch# show boot variables
List of boot variables are:
Related Commands
|
|
boot |
Configures the boot variable for the kickstart or system image. |
show cli alias
To display the command alias configuration, use the show cli alias command.
show cli alias [ name alias-name ]
Syntax Description
name alias-name |
(Optional) Specifies the name of a command alias. The alias name is not case sensitive. |
Command Default
Displays all configured command alias variables.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display all configured command aliases:
This example shows how to display a specific command alias:
switch# show cli alias name ethint
Related Commands
|
|
cli alias name |
Configures command aliases. |
show cli history
To display the command history, use the show cli history command.
show cli history [ lines ] [ unformatted ]
Syntax Description
lines |
(Optional) Last number of lines from the end of the command history. |
unformatted |
(Optional) Displays the commands without line numbers or time stamps. |
Command Default
Displays the entire formatted history.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display all of the command history:
1 08:47:15 show ssh server
5 08:47:27 show ssh server
7 08:47:58 show ssh names
8 08:59:24 policy-map type qos my_policy
9 08:59:39 show class type qos
10 08:59:51 class type qos class-default
11 08:59:59 class-map type qos c1
This example shows how to display the last 10 lines of the command history:
switch# show cli history 10
38 10:28:05 sho sprom all
39 10:29:40 show sprom sup
41 10:31:09 show sprom backplane
43 10:38:42 show system resources
46 10:39:36 show boot variables
47 10:40:20 show banner motd
50 10:41:20 sh cli history
52 10:43:03 sh cli history 10
This example shows how to display unformatted command history:
switch# show cli history unformatted
Related Commands
|
|
clear cli history |
Clears the command history. |
show cli variables
To display the configuration of the command-line interface (CLI) variables, use the show cli variables command.
show cli variables
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the CLI variables:
switch# show cli variables
TIMESTAMP="2010-05-22-10.44.20"
Related Commands
|
|
cli var name |
Configures CLI variables. |
show clock
To display the current date and time, use the show clock command.
show clock [ detail ]
Syntax Description
detail |
(Optional) Displays the summer-time (daylight saving time) offset configuration. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the current clock setting:
10:44:44.891 UTC Sat May 22 2010
This example shows how to display the current clock setting and the summer-time (daylight saving time) configuration:
switch# show clock detail
10:45:02.685 UTC Sat May 22 2010
Related Commands
|
|
clock set |
Sets the clock time. |
clock summer-time |
Configures the summer-time (daylight saving time) offset. |
show configuration session
To display information about configuration sessions, use the show configuration session command.
show configuration session [ session-name | status | summary ]
Syntax Description
session-name |
(Optional) Configuration session name. The name can be a maximum of 64 alphanumeric characters. |
status |
(Optional) Displays the status of the configuration session. |
summary |
(Optional) Displays summary information of the active configuration sessions. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the status of the active configuration session:
switch# show configuration session status
This example shows how to display the summary information of the active configuration sessions:
switch# show configuration session summary
Related Commands
|
|
configure session |
Creates a configuration session. |
show copyright
To display the Cisco NX-OS software copyright information, use the show copyright command.
show copyright
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the Cisco NX-OS copyright information:
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2011, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php
Related Commands
|
|
show version |
Displays the switch software version. |
show debug logfile
To display the contents of the debug logfile, use the show debug logfile command.
show debug logfile filename
Syntax Description
filename |
Name of the debug log file. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The log files are located in the log: file system.
This command does not require a license.
Examples
This example shows how to display the contents of a debug log file:
switch# show debug logfile dmesg
Related Commands
|
|
debug logfile |
Configures the debug log file. |
show environment
To display information about the hardware environment status, use the show environment command.
show environment [ fan | power | temperature ]
Syntax Description
fan |
(Optional) Displays information about the fan environment. |
power |
(Optional) Displays information about the power capacity and distribution. |
temperature |
(Optional) Displays information about the temperature environment. |
Command Modes
EXEC mode
Command History
|
|
7.0(3)I2(1) |
The output for show environment fan details has changed |
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information about the hardware environment:
------------------------------------------------------
------------------------------------------------------
Chassis-1 N3K-C3064-FAN -- ok
PS-1 N2200-PAC-400W -- ok
PS-2 N5K-PAC-750W -- failure
-----------------------------------------------------------------
Module Sensor MajorThresh MinorThres CurTemp Status
(Celsius) (Celsius) (Celsius)
-----------------------------------------------------------------
This example shows how to display information about the temperature environment:
switch# show environment temperature
-----------------------------------------------------------------
Module Sensor MajorThresh MinorThres CurTemp Status
(Celsius) (Celsius) (Celsius)
-----------------------------------------------------------------
This example shows how to display detailed information about the fan environment:
switch# show environment fan detail
---------------------------------------------------
Module Fan Airflow Speed(%) Speed(RPM)
---------------------------------------------------
1 1 Front-to-Back 40 11739
1 2 Front-to-Back 40 8955
1 3 Front-to-Back 40 11637
1 4 Front-to-Back 40 9060
1 5 Front-to-Back 40 11764
1 6 Front-to-Back 40 8955
1 7 Front-to-Back 40 11894
1 8 Front-to-Back 40 9075
-----------------------------------
Module Airflow Configured
-----------------------------------
Beginning in Release 7.0(3)I2(1), the output for show environment fan details is as follows:
switch# show environment fan detail
------------------------------------------------
Mod Total Fabric Utilization
Bandwidth Ingress % Egress %
------------------------------------------------
---------------------------------------------------------------------------
Fan Model Hw Direction Status
---------------------------------------------------------------------------
Fan1(sys_fan1) N3K-C3132-FAN 0.0 front-to-back Ok
Fan2(sys_fan2) N3K-C3132-FAN 0.0 front-to-back Ok
Fan3(sys_fan3) N3K-C3132-FAN 0.0 front-to-back Ok
Fan4(sys_fan4) N3K-C3132-FAN 0.0 front-to-back Ok
Fan_in_PS1 N2200-PAC-400W -- front-to-back Ok
Fan_in_PS2 N2200-PAC-400W -- front-to-back Ok
Fan Zone Speed: Zone 1: 0x33
Fan Air Filter : NotSupported
------------------------------------------------------------------
Fan Tray Fan Fan Direction Speed(%) Speed(RPM)
------------------------------------------------------------------
Fan1(sys_fan1) fan1 front-to-back 41 6398
Fan1(sys_fan1) fan2 front-to-back 42 4843
Fan2(sys_fan2) fan1 front-to-back 41 6405
Fan2(sys_fan2) fan2 front-to-back 40 4703
Fan3(sys_fan3) fan1 front-to-back 40 6271
Fan3(sys_fan3) fan2 front-to-back 41 4774
Fan4(sys_fan4) fan1 front-to-back 41 6405
Fan4(sys_fan4) fan2 front-to-back 41 4808
Related Commands
|
|
show module |
Displays module information. |
show feature
To display the status of features on a switch, use the show feature command.
show feature
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
5.0(3)U2(2) |
Support for Bidirectional Forwarding Detection (BFD) and Precision Time Protocol (PTP) was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the state of all features on a switch that runs Cisco NX-OS Release 5.0(3)U1(1):
Feature Name Instance State
-------------------- -------- --------
interface-vlan 1 disabled
This example shows how to display the state of all features on a switch that runs Cisco NX-OS Release 5.0(3)U2(2):
Feature Name Instance State
-------------------- -------- --------
interface-vlan 1 disabled
Related Commands
|
|
feature |
Enables or disables a feature on the switch. |
show file
To display the contents of a file on the local memory, use the show file command.
show file [ filesystem :] [// server /] [ directory ] filename
Syntax Description
filesystem: |
(Optional) Name of the file system. Valid values are bootflash, debug, modflash, usb1, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to delete. The filename is case sensitive. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The colon character (:) is required after the file system URL prefix keywords (such as bootflash).
There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
This command does not require a license.
Examples
This example shows how to display the contents of a file:
switch# show file base.lic
FEATURE LAN_BASE_SERVICES_PKG cisco 1 permanent uncounted \
NOTICE="<LicFileID>testFileName</LicFileID><LicLineID>0</LicLine
<PAK>dummyPak</PAK>" SIGN=3B68DB3CB4F0
This example shows the error message that appears if the file that you want to display is a directory:
switch# show file bootflash:///routing-sw
/bin/showfile: /bootflash/routing-sw: No such file or directory
Related Commands
|
|
cd |
Changes the current working directory. |
dir |
Displays the directory contents. |
pwd |
Displays the name of the current working directory. |
show hostname
To display the hostname for the switch, use the show hostname command.
show hostname
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The show switchname command also displays the switch hostname.
This command does not require a license.
Examples
This example shows how to display the hostname for the switch:
Related Commands
|
|
hostname |
Configures the hostname for the switch. |
show switchname |
Displays the hostname. |
switchname |
Configures the hostname for the switch. |
show incompatibility system
To display the configuration incompatibilities between the running system image and an earlier system image prior to downgrading the Cisco NX-OS software, use the show incompatibility system command.
show incompatibility system { filesystem : // server / [ directory ] filename }
Syntax Description
filesystem: |
Name of the file system. Valid values are bootflash or volatile. |
// server / |
Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to compare with the loaded software image. The filename is case sensitive. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the configuration incompatibilities:
switch# show incompatibility system bootflash://sup-local/old_image.bin
Related Commands
|
|
install all |
Installs the kickstart and system images. |
reload |
Reloads the device with the new Cisco NX-OS software. |
show version |
Displays information about the software version. |
show install all
To display information related to the operation of the install all command, use the show install all command.
show install all { failure-reason | impact [ kickstart | system ] | status }
Syntax Description
failure-reason |
Displays the software installation failure reason. |
impact |
Displays the impact of installing the images referred to in the boot variables. |
kickstart |
(Optional) Displays the impact of installing the kickstart image referred to in the kickstart boot variable. |
system |
(Optional) Displays the impact of installing the system image referred to in the kickstart boot variable. |
status |
Displays the status of the software installation process. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the installation failure reason:
switch# show install all failure-reason
This example shows how to display the impact of installing new images:
switch# show install all impact
This example shows how to display the status of the software installation process:
switch# show install all status
Related Commands
|
|
install all |
Installs the software on the physical device. |
show boot |
Displays the boot variable configuration. |
show inventory
To display the physical inventory information for the switch hardware, use the show inventory command.
show inventory
Syntax Description
This command has no arguments or keywords.
Command Default
Displays all hardware inventory information.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the switch hardware inventory information:
NAME: "Chassis", DESCR: "Nexus3000 Chassis"
PID:, VID:, SN: SSI14430C31
NAME: "Module 1", DESCR: "48x10GE + 16x10G/4x40G Supervisor"
NAME: "Fan 1", DESCR: "Chassis fan module"
PID: N3K-C3064-FAN, VID: N/A, SN: N/A
NAME: "Power supply 1", DESCR: "AC power supply"
PID: N2200-PAC-400W, VID: V02, SN: LIT14291UFS
NAME: "Power supply 2", DESCR: "AC power supply"
PID: N5K-PAC-750W, VID: V01, SN: LIT14291Q4B
Related Commands
|
|
show module |
Displays information about the modules. |
show license
To display license information, use the show license command.
show license [ brief | default | file filename ]
Syntax Description
brief |
(Optional) Displays a list of license files installed on a device. |
default |
(Optional) Displays the services that use the default license. |
file filename |
(Optional) Displays information for a specific license file. |
Command Default
Displays information about the installed licenses.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display a specific license installed on the switch:
switch# show license file l3-license.lic
FEATURE LAN_ENTERPRISE_SERVICES_PKG cisco 1 permanent uncounted \
NOTICE="<LicFileID>testFileName</LicFileID><LicLineID>0</LicLineID> \
<PAK>dummyPak</PAK>" SIGN=1B7020B6BAFA
This example shows how to display a list of license files installed on a device:
switch# show license brief
This example shows how to display all licenses installed on a device:
This example shows how to display the services that use the default license:
switch# show license default
Feature Default License Count
-----------------------------------------------------------------------------
LAN_ENTERPRISE_SERVICES_PKG -
-----------------------------------------------------------------------------
Related Commands
|
|
install license |
Installs a license. |
show license host-id |
Displays the serial number of the chassis to use for licensing. |
show license usage |
Displays license usage information. |
show license host-id
To display the serial number (host ID) of the switch chassis to use for licensing, use the show license host-id command.
show license host-id
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The serial number is the entire string that appears after the colon (:) as shown in the example.
This command does not require a license.
Examples
This example shows how to display the host ID, required to request node-locked licenses:
switch# show license host-id
License hostid: VDH=SSI14430C31
Related Commands
|
|
install license |
Installs a license. |
show license |
Displays license information. |
show license usage |
Displays license usage information. |
show license usage
To display license usage information, use the show license usage command.
show license usage [ PACKAGE ]
Syntax Description
PACKAGE |
(Optional) List of licensed features in use for the specified license package. |
Command Default
Displays license usage for the switch.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information about the current license usage:
switch# show license usage
Feature Ins Lic Status Expiry Date Comments
--------------------------------------------------------------------------------
LAN_BASE_SERVICES_PKG Yes - Unused Never -
LAN_ENTERPRISE_SERVICES_PKG Yes - In use Never -
--------------------------------------------------------------------------------
Table 6 describes the columns used in the show license usage command output.
Table 6 show license usage Columns
|
|
Feature |
Name of the license package. |
Ins |
License installation status. “No” indicates that the license is not installed and “Yes” indicates that the license is installed. |
Lic Count |
License count. “-” indicates that the count is not used for this license package. A number in this field indicates that number of current usages of the license by features. This field is not supported. |
Status |
License status. “Unused” indicates that no features that require the license are enabled. “In use” indicates that one or more features are using the license. |
Expiry Date |
License expiry date. The field is blank if the license is not installed. If the license is installed, the field displays “Never” to indicate that the license has no time limit or displays the date of expiry for the license. |
Comments |
Additional information. “Grace” with a time period remaining in days (“D”) and hours (:H”) indicates that the grace license is in use and “license missing” indicates that an error has occurred. |
This example shows how to display a list of features in use for a specific license:
switch# show license usage LAN_BASE_SERVICES_PKG
Related Commands
|
|
install license |
Installs a license. |
show license |
Displays license information. |
show license host-id |
Displays the serial number of the chassis to use for licensing. |
show line
To display terminal port configuration information, use the show line command.
show line [ console [ connected | user-input-string ]]
Syntax Description
console |
(Optional) Displays only information about the console port configuration. |
connected |
(Optional) Displays whether the line is currently connected physically. |
user-input-string |
(Optional) Displays the user-input initialization string. |
Command Default
Displays information about the terminal port configuration.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information about the terminal port configuration information:
Databits: 8 bits per byte
default : ATE0Q1&D2&C1S0=1\015
Databits: 8 bits per byte
default : ATE0Q1&D2&C1S0=1\015
This example shows how to display only the information about the console port configuration:
switch# show line console
Databits: 8 bits per byte
default : ATE0Q1&D2&C1S0=1\015
This example shows how to display the status of the physical connection:
switch# show line console connected
Line console is connected
This example shows how to display the user-input initialization string for a modem:
switch# show line console user-input-string
Related Commands
|
|
line console |
Enters the console port configuration mode. |
show module
To display module information, use the show module command.
show module [ module-number ]
Syntax Description
module-number |
(Optional) Number of the module. The valid range is from 1 to 3. |
Command Default
Displays module information for all modules in the switch chassis.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information for all modules in the chassis:
Mod Ports Module-Type Model Status
--- ----- -------------------------------- ---------------------- ------------
1 64 48x10GE + 16x10G/4x40G Superviso -SUP active *
Mod Sw Hw World-Wide-Name(s) (WWN)
--- -------------- ------ --------------------------------------------------
Mod MAC-Address(es) Serial-Num
--- -------------------------------------- ----------
1 0005.0505.050d to 0005.0505.0534
This example shows how to display information for a specific module:
Mod Ports Module-Type Model Status
--- ----- -------------------------------- ---------------------- ------------
1 64 48x10GE + 16x10G/4x40G Superviso -SUP active *
Mod Sw Hw World-Wide-Name(s) (WWN)
--- -------------- ------ --------------------------------------------------
Mod MAC-Address(es) Serial-Num
--- -------------------------------------- ----------
1 0005.0505.050d to 0005.0505.0534
Related Commands
|
|
show inventory |
Displays hardware inventory information. |
show processes
To display the process information for the switch, use the show processes command.
show processes
Syntax Description
This command has no arguments or keywords.
Command Default
Displays information for all processes running on the switch.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the process information for a device:
PID State PC Start_cnt TTY Process
----- ----- -------- ----------- ---- -------------
Related Commands
|
|
show processes cpu |
Displays the CPU utilization information for processes. |
show processes log |
Displays the contents of the process log. |
show processes memory |
Displays the memory allocation information for processes. |
show processes cpu
To display the CPU utilization information for processes on the device, use the show processes cpu command.
show processes cpu
Syntax Description
This command has no arguments or keywords.
Command Default
Displays information for all processes in the local device.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the CPU utilization information for the processes:
switch# show processes cpu
PID Runtime(ms) Invoked uSecs 1Sec Process
----- ----------- -------- ----- ------ -----------
2 10 3931 2 0.0% migration/0
3 2282 45391585 0 0.0% ksoftirqd/0
4 26 7882 3 0.0% desched/0
5 9 3706 2 0.0% migration/1
6 596 23862071 0 0.0% ksoftirqd/1
7 23 6629 3 0.0% desched/1
CPU util : 5.9% user, 0.5% kernel, 93.6% idle
Related Commands
|
|
show processes |
Displays the process information for the switch. |
show processes log |
Displays the contents of the process log. |
show processes memory |
Displays the memory allocation information for processes. |
show processes log
To display the contents of the process log, use the show processes log command.
show processes log [ details | pid process-id ]
Syntax Description
details |
(Optional) Displays detailed information from the process log. |
pid process-id |
(Optional) Displays detailed information from the process log for a specific process. The process ID range is from 1 to 2147483647. |
Command Default
Displays summary information for all processes on the device.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display summary information from the process log:
switch# show processes log
Process PID Normal-exit Stack Core Log-create-time
--------------- ------ ----------- ----- ----- ---------------
bcm_usd 4181 N Y N Sun Jan 31 19:15:44 2010
bcm_usd 4294 N Y N Sun May 23 09:10:22 2010
bcm_usd 4313 N Y N Mon Apr 12 09:24:59 2010
bcm_usd 4331 N Y N Mon Apr 12 07:17:09 2010
carmelusd 4156 N N N Fri Feb 12 18:58:29 2010
carmelusd 4468 N N N Fri Feb 12 23:48:48 2010
ethpm 4471 N N N Sun May 2 05:02:54 2010
fwm 4195 N Y N Sun Jan 31 16:19:10 2010
fwm 4345 N Y N Mon May 3 12:54:59 2010
ipfib 4360 N Y N Mon Apr 12 07:16:58 2010
ipfib 4367 N Y N Mon Apr 12 09:24:49 2010
ipqosmgr 4326 N Y N Fri May 21 19:44:02 2010
This example shows how to display detailed information from the process log:
switch# show processes log details
This example shows how to display detailed information from the process log for a specific process:
switch# show processes log pid 4181
Related Commands
|
|
show processes |
Displays the process information for the switch. |
show processes cpu |
Displays the CPU utilization information for processes. |
show processes memory |
Displays the memory allocation information for processes. |
show processes memory
To display the memory allocation information for processes, use the show processes memory command.
show processes memory [ shared [ detail ]]
Syntax Description
shared |
(Optional) Displays the shared memory allocation. |
detail |
(Optional) Displays the shared memory in bytes instead of the default kilobytes. |
Command Default
Displays memory allocated to the processes.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
7.0(3)|2(1) |
The StkSize, RSSMem, and LibMem columns are no longer displayed in the table for memory allocation processes. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information about the memory allocation for processes:
switch# show processes memory
PID MemAlloc StkSize RSSMem LibMem StackBase/Ptr Process
---- ------- ------- ------- ------- ------------- ---------
1 147456 86016 495616 1126400 bffffea0/bffff990 init
2 0 0 0 0 0/0 migration/0
3 0 0 0 0 0/0 ksoftirqd/0
5 0 0 0 0 0/0 migration/1
6 0 0 0 0 0/0 ksoftirqd/1
Starting with Release 7.0(3)|2(1), the output of the show processes memory command is updated as follows:
switch# show processes memory
PID MemAlloc StackBase/Ptr Process
---- ------- ------------- ---------
1 147456 bffffea0/bffff990 init
This example shows how to display information about the shared memory allocation for processes:
switch# show processes memory shared
Component Shared Memory Size Used Available Ref
Address (kbytes) (kbytes) (kbytes) Count
smm 0X50000000 1024 3 1021 36
cli 0X50110000 30720* 12530 18190 11
npacl 0X51F20000 4096* 2 4094 2
am 0X52330000 1024* 83 941 6
u6rib-ufdm 0X52440000 320* 188 132 2
urib 0X524A0000 32768* 734 32034 18
mrib 0X544B0000 59392* 3238 56154 4
urib-redist 0X57EC0000 4096* 0 4096 18
mrib-mfdm 0X582D0000 4096* 9 4087 2
urib-ufdm 0X586E0000 2048* 0 2048 2
u6rib 0X588F0000 16384* 545 15839 9
u6rib-notify 0X59900000 2048* 795 1253 9
icmpv6 0X59B10000 1024 0 1024 6
ip 0X59C20000 2048 65 1983 16
ipv6 0X59E30000 1024 9 1015 7
igmp 0X59F40000 4096* 1173 2923 2
rpm 0X5A350000 1024 0 1024 7
mcastfwd 0X5A460000 1024 146 878 3
pim 0X5A570000 2048 225 1823 4
bgp 0X5A780000 1024 464 560 1
Shared memory totals - Size: 168 MB, Used: 20 MB, Available: 148 MB
'+' - Dynamic shared memory segment.
'*' - Non-default sized share memory segment.
Related Commands
|
|
show processes |
Displays the process information for the switch. |
show processes cpu |
Displays the CPU utilization information for processes. |
show processes log |
Displays the contents of the process log. |
show running-config
To display the running configuration, use the show running-config command.
show running-config [ all ]
Syntax Description
all |
(Optional) Displays all the default and configured information. |
Command Default
Displays only the configured information.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the changes that you have made to the running configuration:
switch# show running-config
!Command: show running-config
!Time: Thu Jun 3 09:12:13 2010
username admin password 5 $1$qlbQ8MOw$/WpKb1OE1R6BwZU9yfFL51 role network-admin
hardware profile multicast max-limit 2000
policy-map type network-qos jumbo
class type network-qos class-default
service-policy type network-qos jumbo
This example shows how to display the entire running configuration, including the default values:
switch# show running-config all
!Command: show running-config all
!Time: Thu Jun 3 09:14:34 2010
cfs ipv4 mcast-address 239.255.70.83
cfs ipv6 mcast-address ff15::efff:4653
no hsrp timers extended-hold
username admin password 5 $1$qlbQ8MOw$/WpKb1OE1R6BwZU9yfFL51 role network-admin
Related Commands
|
|
copy running-config startup-config |
Copies the running configuration to the startup configuration. |
show running-config diff |
Displays the differences between the running configuration and the startup configuration. |
show startup-config |
Displays the startup configuration. |
show running-config diff
To display the differences between the running configuration and the startup configuration, use the show running-config diff command.
show running-config diff
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Table 7 describes the notations used in the command output.
Table 7 show running-config diff Notations
|
|
|
Indicates ranges of lines where differences occur. The range of lines indicated with asterisks (*) is for the startup configuration and the range indicated with dashes (–) is for the startup configuration. |
|
Indicates that the line is in the running configuration but is not in the startup configuration. |
|
Indicates that the line is not in the running configuration but it is in the startup configuration. |
|
Indicates that the line exists in both configurations but in different orders. |
This command does not require a license.
Examples
This example shows how to display the difference between the running configuration and the startup configuration:
switch# show running-config diff
- username adminbackup password 5 ! role network-operator
username admin password 5 $1$qlbQ8MOw$/WpKb1OE1R6BwZU9yfFL51 role network-adm
policy-map type network-qos jumbo
class type network-qos class-default
service-policy type network-qos jumbo
Related Commands
|
|
copy running-config startup-config |
Copies the running configuration to the startup configuration. |
show running-config |
Displays the differences between the running configuration and the startup configuration. |
show startup-config |
Displays the startup configuration. |
show sprom
To display the contents of the serial PROM (SPROM) on the switch, use the show sprom command.
show sprom { all | backplane | module module-number | powersupply ps-num | sup }
Syntax Description
all |
Displays the SPROM contents for all components on the physical device. |
backplane |
Displays the SPROM contents for the backplane. |
module module-number |
Displays the SPROM contents for an I/O module. The module number range is from 1 to 3. |
powersupply ps-num |
Displays the SPROM contents for a power supply module. The power supply module number is 1 or 2. |
sup |
Displays the SPROM contents for the active supervisor module. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The SPROM on the switch contains detailed information about the hardware, including serial, part, and revision numbers. If you need to report a problem with a system component, you can extract serial number information using the show sprom command.
This command does not require a license.
Examples
This example shows how to display SPROM information for all components on the physical device:
DISPLAY backplane sprom contents:
OEM String : Cisco Systems, Inc.
Serial Number : SSI14430C31
This example shows how to display SPROM information for the active supervisor module:
DISPLAY supervisor sprom contents:
OEM String : Cisco Systems, Inc.
snmpOID : 0.0.0.0.0.0.0.0
Supervisor Module specific block:
This example shows how to display SPROM information for a power supply module:
switch# show sprom powersupply 2
DISPLAY power-supply sprom contents:
OEM String : Cisco Systems, Inc.
Product Number : N5K-PAC-750W
Serial Number : LIT14291Q4B
Part Number : 341-0361-01
This example shows how to display SPROM information for the backplane:
switch# show sprom backplane
DISPLAY backplane sprom contents:
OEM String : Cisco Systems, Inc.
Serial Number : SSI14430C31
snmpOID : 0.0.0.0.0.0.0.0
Related Commands
|
|
show inventory |
Displays hardware inventory information. |
show startup-config
To display the startup configuration, use the show startup-config command.
show startup-config
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the startup configuration:
switch# show startup-config
!Command: show startup-config
!Time: Thu Jun 3 09:17:23 2010
!Startup config saved at: Wed Jun 2 08:25:11 2010
username adminbackup password 5 ! role network-operator
username admin password 5 $1$qlbQ8MOw$/WpKb1OE1R6BwZU9yfFL51 role network-admin
policy-map type network-qos jumbo
class type network-qos class-default
service-policy type network-qos jumbo
Related Commands
|
|
copy running-config startup-config |
Copies the running configuration to the startup configuration. |
show running-config |
Displays the running configuration. |
show running-config diff |
Displays the differences between the running configuration and the startup configuration. |
show switchname
To display the hostname for the device, use the show switchname command.
show switchname
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The show hostname command also displays the switch hostname.
This command does not require a license.
Examples
This example shows how to display the hostname for the switch:
Related Commands
|
|
hostname |
Configures the hostname for the switch. |
show hostname |
Displays the hostname. |
switchname |
Configures the hostname for the switch. |
show system config reload-pending
To display all the commands entered by you that require reload.
show system config reload-pending
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
6.0(2)U6(7) |
This command was introduced. |
Examples
This example shows what appears when you enter this command:
switch(config)# show system config reload-pending
Following config commands require copy r s + reload :
======================================================
1) hardware qos min-buffer qos-group
2) hardware profile multicast max-limit
3) system vlan <vlan-id> reserve
4) hardware profile tcam region racl
5) hardware profile tcam region e-racl
6) hardware profile tcam region e-vacl
======================================================
Related Commands
|
|
system config reload-pending syslog-interval |
Configures the interval at which syslog will appear. |
show system cores
To display the core filename, use the show system cores command.
show system cores
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use the system cores command to configure the system core filename.
This command does not require a license.
Examples
This example shows how to display destination information for the system core files:
switch# show system cores
Related Commands
|
|
system cores |
Configures the system core filename. |
show system reset-reason
|
|
system config reload-pending syslog-interval |
Configures the interval at which syslog will appear. |
To display the reset history for the switch, use the show system reset-reason command.
show system reset-reason
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the reset-reason history for the switch:
switch# show system reset-reason
----- reset reason for Supervisor-module 1 (from Supervisor in slot 1) ---
3) At 543557 usecs after Fri Jul 9 18:20:45 2010
Reason: Reset due to upgrade
4) At 572283 usecs after Fri Jul 9 05:12:27 2010
Reason: Reset due to upgrade
Related Commands
|
|
clear install failure-reason |
Clears the reason for software installation failures. |
show system resources
To display the system resources, use the show system resources command.
show system resources
Syntax Description
This command has no arguments or keywords.
Command Modes
Any command mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the system resources on a switch that runs Cisco NX-OS Release 5.0(3)U1(1):
switch(config)# show system resources
Load average: 1 minute: 0.18 5 minutes: 0.15 15 minutes: 0.10
Processes : 296 total, 1 running
CPU states : 15.8% user, 2.0% kernel, 82.2% idle
Memory usage: 4007124K total, 1327428K used, 2679696K free
Related Commands
|
|
show processes cpu |
Displays the CPU utilization information for processes on the device. |
show system uptime
To display the amount of time since the last system restart, use the show system uptime command.
show system uptime
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the amount of time since the last system restart:
switch# show system uptime
System start time: Wed Jun 2 10:41:07 2010
System uptime: 0 days, 22 hours, 38 minutes, 7 seconds
Kernel uptime: 0 days, 22 hours, 40 minutes, 15 seconds
Active supervisor uptime: 0 days, 22 hours, 38 minutes, 7 seconds
Related Commands
|
|
reload |
Reloads the switch. |
show tech-support
To display information for Cisco technical support, use the show tech-support command.
show tech-support [ brief | commands | feature ]
Syntax Description
brief |
(Optional) Displays information only about the status of the device. |
commands |
(Optional) Displays the complete list of commands that are executed by the show tech-support command. |
feature |
(Optional) Specific feature name. Use the command-line interface (CLI) context-sensitive help (for example, show tech-support ?) for the list of features. |
Command Default
Displays information for all features.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
6.0(2)U5(1) |
The command was enhanced to include output of the show policy-map int control-plane and show interface ethernet slot/port transceiver details commands. |
7.0(3)I2(1) |
The command was enhanced to include the additional sub-options: biosd, bloggerd, and bloggerd-all. The show tech-support bcm-usd command is displayed after entering the attach module <module-number> command. |
Usage Guidelines
The output from the show tech-support command is very long. To better manage this output, you can redirect the output to a file (for example, show tech-support > filename) in the local writable storage file system or the remote file system.
You can use one of the following redirection methods:
- > filename —Redirects the output to a file.
- >> filename —Redirects the output to a file in append mode.
This command does not require a license.
Examples
Starting with Release 7.0(3)I2(1), the command was enhanced to include the additional sub-options: biosd, bloggerd, and bloggerd-all.
switch(config)# show tech-support b?
*** No matching command found in current mode, matching in (exec) mode ***
biosd Gather bios install log for trouble shooting
bloggerd Gather detailed information for bloggerd troubleshooting
bloggerd-all Gather detailed information for bloggerd troubleshooting from
bootvar Gather detailed information for bootvar troubleshooting
brief Gather summary information for troubleshooting
This example shows how to display technical support information:
switch# show tech-support
---- show tech-support ----
System start time: Wed Jun 2 10:41:07 2010
System uptime: 0 days, 22 hours, 38 minutes, 48 seconds
Kernel uptime: 0 days, 22 hours, 40 minutes, 56 seconds
Active supervisor uptime: 0 days, 22 hours, 38 minutes, 48 seconds
This example shows how to redirect the technical support information to a file:
switch# show tech-support > bootflash:TechSupport.txt
This example shows how to display the brief technical support information for the switch:
switch# show tech-support brief
Kickstart Image : 5.0(3)U1(1) bootflash:///n3000-uk9-kickstart.5.0.3.U1.1.bin
System Image : 5.0(3)U1(1) bootflash:///n3000-uk9.5.0.3.U1.1.bin
IP Address/Mask : 192.168.0.160/24
--------------------------------------------------------------------------------
Ethernet VLAN Type Mode Status Reason Speed Port
--------------------------------------------------------------------------------
Eth1/1 1 eth access down Administratively down 10G(D) --
Eth1/2 1 eth access up none 10G(D) --
Eth1/3 1 eth access down SFP not inserted 10G(D) --
This example shows how to display the technical support information for a specific feature:
switch# show tech-support aaa
`show running-config aaa all`
!Command: show running-config aaa all
!Time: Thu Jun 3 09:21:28 2010
aaa authentication login default local
aaa authorization ssh-publickey default local
aaa authorization ssh-certificate default local
aaa accounting default local
aaa authentication login default fallback error local
aaa authentication login console fallback error local
no aaa authentication login error-enable
no aaa authentication login mschap enable
no aaa authentication login mschapv2 enable
no aaa authentication login chap enable
no aaa authentication login ascii-authentication
no radius-server directed-request
This example shows how to display the commands used to generate the technical support information:
switch# show tech-support commands
show tech-support details:
~~~~~~~~~~~~~~~~~~~~~~~~~~
---- show tech-support commands ----
show diagnostic result module all
This example shows how to display the commands used to troubleshoot the information:
switch# show tech-support commands detail
show tech-support details:
~~~~~~~~~~~~~~~~~~~~~~~~~~
---- show tech-support commands ----
show policy-map interface control-plane
show interface transceiver detail
# show policy-map int control-plane
service-policy input: copp-system-policy
class-map copp-s-selfIp (match-any)
switch# show interface ethernet 1/2 transceiver details
part number is SFBR-7700SDZ
serial number is AGD1210210F
nominal bitrate is 10300 MBit/sec
Link length supported for 50/125um fiber is 80 m
Link length supported for 50/125um fiber is 300 m
Link length supported for 62.5/125um fiber is 20 m
cisco extended id number is 4
show terminal
To display information about the terminal configuration for a session, use the show terminal command.
show terminal
Syntax Description
This command has no arguments or keywords.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display information about the terminal configuration for a session:
TTY: /dev/pts/0 Type: "ansi"
Length: 25 lines, Width: 80 columns
Session Timeout: 0 minutes
Event Manager CLI event bypass: no
Related Commands
|
|
terminal length |
Configures the terminal display length for the session. |
terminal session-timeout |
Configures the terminal inactive session timeout for a session. |
terminal type |
Configures the terminal type for a session. |
terminal width |
Configures the terminal display width for a session. |
show version
To display information about the software version, use the show version command.
show version [ image filename ]
Syntax Description
image filename |
(Optional) Displays the version information for a system or kickstart image file. |
Command Default
Displays software version information for the running kickstart and system images.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the version information for the kickstart and system image running on the switch:
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Copyright (c) 2002-2010, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained herein are owned by
other third parties and are used and distributed under license.
Some parts of this software are covered under the GNU Public
License. A copy of the license is available at
http://www.gnu.org/licenses/gpl.html.
kickstart: version 5.0(3)U1(1)
system: version 5.0(3)U1(1)
BIOS compile time: 09/08/09
kickstart image file is: bootflash:/n3000-uk9-kickstart.5.0.3.U1.1.bin
kickstart compile time: 7/28/2010 11:00:00 [07/07/2010 22:20:39]
system image file is: bootflash:/n3000-uk9.5.0.3.U1.1.bin
system compile time: 7/28/2010 11:00:00 [07/07/2010 23:47:55]
cisco Nexus5020 Chassis ("40x10GE/Supervisor")
Intel(R) Xeon(R) CPU with 2074288 kB of memory.
Processor Board ID JAF1344BHNK
Kernel uptime is 0 day(s), 9 hour(s), 9 minute(s), 7 second(s)
System version: 5.0(3)U1(1)
Core Plugin, Ethernet Plugin, Fc Plugin
Related Commands
|
|
show module |
Displays module information. |
sleep
To cause the command-line interface (CLI) to pause before displaying the prompt, use the sleep command.
sleep seconds
Syntax Description
seconds |
Number of seconds. The range is from 0 to 2147483647. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can use this command in command scripts to delay the execution of the script.
This command does not require a license.
Examples
This example shows how to cause the CLI to pause for 5 seconds before displaying the prompt:
Related Commands
|
|
run-script |
Runs command scripts. |
slot
To enable preprovisioning on a slot in a chassis, use the slot command. To disable the slot for preprovisioning, use the no form of this command.
slot slot-number
no slot slot-number
Syntax Description
slot-number |
Slot number in the chassis. The range is from 2 to 199. |
Command Modes
Global configuration mode
Configuration synchronization mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
Use this command to enable preprovisioning of features or interfaces of a module on a slot in a chassis. Preprovisioning allows you configure features or interfaces (Ethernet, Fibre Channel) on modules before the modules are inserted in the switch chassis.
This command does not require a license.
Examples
This example shows how to enable a chassis slot for preprovisioning of a module:
This example shows how to configure a switch profile to enable a chassis slot for preprovisioning of a module:
Enter configuration commands, one per line. End with CNTL/Z.
switch(config-sync)# switch-profile sp
Switch-Profile started, Profile ID is 1
switch(config-sync-sp)# slot 2
switch(config-sync-sp-slot)#
This example shows how to disable a chassis slot for preprovisioning of a module:
switch(config)# no slot 2
Related Commands
|
|
provision |
Preprovisions a module in a slot. |
show running-config exclude-provision |
Displays the running configuration excluding the preprovisioned features. |
speed
To configure the transmit and receive speed for the console port, use the speed command. To revert to the default, use the no form of this command.
speed speed
no speed speed
Syntax Description
speed |
Speed in bits per second. Valid speeds are 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, or 115200. |
Command Default
The default console port speed is 9600 bits per second.
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the speed for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# speed 57600
This example shows how to revert to the default speed for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no speed 57600
Related Commands
|
|
line console |
Enters the console terminal configuration mode. |
show running-config |
Displays the running configuration. |
stopbits
To configure the stop bits for the console port, use the stopbits command. To revert to the default, use the no form of this command.
stopbits { 1 | 2 }
no stopbits { 1 | 2 }
Syntax Description
1 |
Specifies one stop bit. |
2 |
Specifies two stop bits. |
Command Default
1 stop bit
Command Modes
Terminal line configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can configure the console port only from a session on the console port.
This command does not require a license.
Examples
This example shows how to configure the number of stop bits for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# stopbits 2
This example shows how to revert to the default number of stop bits for the console port:
switch# configure terminal
switch(config)# line console
switch(config-console)# no stopbits 2
Related Commands
|
|
line console |
Enters the console terminal configuration mode. |
show running-config |
Displays the running configuration. |
switchname
To configure the hostname for the device, use the switchname command. To revert to the default, use the no form of this command.
switchname name
no switchname
Syntax Description
name |
Hostname for the switch. The name is alphanumeric, case sensitive, can contain special characters, and can have a maximum of 32 characters. |
Command Default
“switch” is the default hostname.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The Cisco NX-OS software uses the hostname in command-line interface (CLI) prompts and in default configuration filenames.
The switchname command performs the same function as the hostname command.
This command does not require a license.
Examples
This example shows how to configure the hostname for a Cisco Nexus 3000 Series switch:
switch# configure terminal
switch(config)# switchname Engineering2
This example shows how to revert to the default hostname:
Engineering2# configure terminal
Engineering2(config)# no switchname
Related Commands
|
|
hostname |
Configures the switch hostname. |
show hostname |
Displays the switch hostname. |
show switchname |
Displays the switch hostname. |
system config reload-pending syslog-interval
To configure the interval at which syslog will appear, use the system config reload-pending syslog-interval command. To revert to the default, use the no form of this command.
system config reload-pending syslog-interval <0-24>
no system config reload-pending syslog-interval
Syntax Description
syslog-interval |
Specifies the interval in hours at which syslog will appear. Range: 0-24. |
Command Modes
Global configuration mode
Command History
|
|
6.0(2)U6(7) |
This command was introduced. |
Examples
This example shows how to set the syslog interval to two hours:
switch(config)# system config reload-pending syslog-interval 2
Related Commands
|
|
show system config reload-pending |
Displays the commands entered by you that require reload. |
system cores
|
|
show system cores |
Displays the core filename. |
To configure the destination for the system core, use the system cores command. To revert to the default, use the no form of this command.
system cores tftp: tftp_URL [ vrf management ]
no system cores
Syntax Description
tftp: |
Specifies a TFTP server. |
tftp_URL |
URL for the destination file system and file. Use the following format: [// server [: port ]][/ path /] filename |
vrf management |
(Optional) Specifies to use the management virtual routing and forwarding (VRF). |
Command Modes
Interface configuration mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to configure a core file:
switch# configure terminal
switch(config)# system cores tftp://serverA:69/core_file
This example shows how to disable system core logging:
switch# configure terminal
switch(config)# no system cores
Related Commands
|
|
show system cores |
Displays the core filename. |
system startup-config unlock
To unlock the startup configuration file, use the system startup-config unlock command.
system startup-config unlock process-id
Syntax Description
process-id |
Identifier of the process that has locked the startup-configuration file. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to unlock the startup-configuration file:
switch# system startup-config unlock 10
Related Commands
|
|
show startup-config |
Displays the startup configuration file information. |
tail
To display the last lines of a file, use the tail command.
tail [ filesystem : [// server /]] [ directory ] filename [ lines ]
Syntax Description
filesystem : |
(Optional) Name of the file system. Valid values are bootflash, modflash, or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
filename |
Name of the file to display. The filename is case sensitive. |
lines |
(Optional) Number of lines to display. The range is from 0 to 80. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Default
Displays the last 10 lines.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to display the last 10 lines of a file:
switch# tail bootflash:startup.cfg
This example shows how to display the last 20 lines of a file:
switch# tail bootflash:startup.cfg 20
Related Commands
|
|
cd |
Changes the current working directory. |
copy |
Copies files. |
dir |
Displays the directory contents. |
pwd |
Displays the name of the current working directory. |
terminal length
To set the number of lines of output to display on the terminal screen for the current session before pausing, use the terminal length command. To revert to the default, use the no form of this command.
terminal length lines
terminal no length
Syntax Description
lines |
Number of lines to display. The range is from 0 to 511. Use 0 to not pause while displaying output. |
Command Default
The initial default for the console is 0 (do not pause output). The initial default for virtual terminal sessions is defined by the client software. The default for the no form is 24 lines.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The session pauses after displaying the number of lines set in the terminal length. Press the space bar to display another screen of lines or press the Enter key to display another line. To return to the command prompt, press Ctrl-C.
The terminal length setting applies only to the current session.
This command does not require a license.
Examples
This example shows how to set the number of lines of command output to display on the terminal before pausing:
switch# terminal length 28
This example shows how to revert to the default number of lines:
switch# terminal no length
Related Commands
|
|
show terminal |
Displays the terminal session configuration. |
terminal session-timeout
To set the terminal inactivity timeout for the current session, use the terminal session-timeout command. To revert to the default, use the no form of this command.
terminal session-timeout minutes
terminal no session-timeout
Syntax Description
minutes |
Number of minutes. The range is from 0 to 525600 minutes (8760 hours). Use 0 to disable the terminal inactivity timeout. |
Command Default
Terminal session timeout is disabled (0 minutes).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The terminal session inactivity timeout setting applies only to the current session.
This command does not require a license.
Examples
This example shows how to set the terminal inactivity timeout for the session to 10 minutes:
switch# terminal session-timeout 10
This example shows how to revert to the default terminal inactivity timeout for the session:
switch# terminal no session-timeout
Related Commands
|
|
show terminal |
Displays the terminal session configuration. |
terminal terminal-type
To set the terminal type for the current session, use the terminal terminal-type command. To revert to the default, use the no form of this command.
terminal terminal-type type
terminal no terminal-type
Syntax Description
type |
Type of terminal. The type string is case sensitive, must be a valid type (for example, ansi, vt100, or xterm), and has a maximum of 80 characters. |
Command Default
For a virtual terminal, the terminal type is set during negotiation with the client software. Otherwise, vt100 is the default.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The terminal type setting applies only to the current session.
This command does not require a license.
Examples
This example shows how to set the terminal type:
switch# terminal terminal-type xterm
This example shows how to revert to the default terminal type:
switch# terminal no terminal-type
Related Commands
|
|
show terminal |
Displays the terminal session configuration. |
terminal width
To set the number of character columns on the terminal screen for the current line for a session, use the terminal width command. To revert to the default, use the no form of this command.
terminal width columns
terminal no width
Syntax Description
columns |
Number of columns. The range is from 24 to 511. |
Command Default
For a virtual terminal, the width is set during negotiation with the client software. Otherwise, 80 columns is the default.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
The terminal width setting applies only to the current session.
This command does not require a license.
Examples
This example shows how to set the number of columns to display on the terminal:
switch# terminal width 70
This example shows how to revert to the default number of columns:
switch# terminal no width
Related Commands
|
|
show terminal |
Displays the terminal session configuration. |
traceroute
To discover the routes that packets take when traveling to an IP address, use the traceroute command.
traceroute { dest-addr | hostname } [ source src-addr ] [ vrf { vrf-name | default | management }]
Syntax Description
dest-addr |
IP address of the destination device. The format is A . B . C . D. |
hostname |
Name of the destination device. The name is case sensitive. |
source src-addr |
(Optional) Specifies a source IP address. The format is A . B . C . D. The default is the IPv4 address for the management interface of the switch. |
vrf vrf-name |
(Optional) Specifies the virtual routing and forwarding (VRF) to use. The name is case sensitive. |
default |
(Optional) Specifies the default VRF. |
management |
(Optional) Specifies the management VRF. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to discover a route to a network device:
switch# traceroute 192.168.255.18 vrf management
Related Commands
|
|
ping |
Displays the network connectivity to another network device. |
traceroute6 |
Discovers the route to a device using IPv6 addressing. |
traceroute6
To discover the routes that packets take when traveling to an IPv6 address, use the traceroute6 command.
traceroute6 { dest-addr | hostname } [ source src-addr ] [ vrf { vrf-name | default | management }]
Syntax Description
dest-addr |
IPv6 address of the destination device. The format is A : B :: C : D. |
hostname |
Name of the destination device. The name is case sensitive. |
source src-addr |
(Optional) Specifies a source IPv6 address. The format is A : B :: C : D. The default is the IPv6 address for the management interface of the switch. |
vrf vrf-name |
(Optional) Specifies the virtual routing and forwarding (VRF) instance. The name is case sensitive and can be a maximum of 32 alphanumeric characters. |
default |
(Optional) Specifies the default VRF. |
management |
(Optional) Specifies the management VRF. |
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to discover a route to a device:
switch# traceroute6 2001:0DB8::200C:417A vrf management
Related Commands
|
|
ping6 |
Determines connectivity to another device using IPv6 addressing. |
traceroute |
Discovers the route to a device using IPv4 addressing. |
update license
To update an existing license, use the update license command.
update license [ filesystem : [// server /]] [ directory ] src-filename [ target-filename ]
Syntax Description
filesystem : |
(Optional) Name of the file system. Valid values are bootflash or volatile. |
// server / |
(Optional) Name of the server. Valid values are ///, //module-1/, //sup-1/, //sup-active/, or //sup-local/. The double slash (//) is required. |
directory |
(Optional) Name of a directory. The directory name is case sensitive. |
src-filename |
Name of the source license file. |
target-filename |
(Optional) Name of the target license file. |
Note There can be no spaces in the filesystem://server/directory/filename string. Individual elements of this string are separated by colons (:) and slashes (/).
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
This command does not require a license.
Examples
This example shows how to update a license:
switch# update license bootflash:fm.lic fm-update.lic
Related Commands
|
|
show license |
Displays license information. |
write erase
To erase configurations in persistent memory areas, use the write erase command.
write erase [ boot | debug ]
Syntax Description
boot |
(Optional) Erases only the boot configuration. |
debug |
(Optional) Erases only the debug configuration. |
Command Default
Erases all configuration in persistent memory.
Command Modes
EXEC mode
Command History
|
|
5.0(3)U1(1) |
This command was introduced. |
Usage Guidelines
You can use this command to erase the startup configuration in the persistent memory when information is corrupted or otherwise unusable. Erasing the startup configuration returns the switch to its initial state.
This command does not require a license.
Examples
This example shows how to erase the startup configuration:
This example shows how to erase the debug configuration in the persistent memory:
switch# write erase debug
Related Commands
|
|
copy running-config startup-config |
Copies the running configuration to the startup configuration. |
show running-config |
Displays the startup configuration. |