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P Commands
The commands in this chapter apply to the Cisco MDS 9000 Family of multilayer directors and fabric switches. All commands are shown here in alphabetical order regardless of command mode. See the "Command Modes" section to determine the appropriate mode for each command. For more information, refer to the Cisco MDS 9000 Family Configuration Guide.
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ping
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ping
To diagnose basic network connectivity, use the ping (packet internet groper) command in EXEC mode.
ping {host-name | system-address}
Syntax Description
host-name
Host name of system to ping. Maximum length is 64 characters.
system-address
Address of system to ping.
Defaults
None.
Command Modes
EXEC mode.
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.0(2).
Usage Guidelines
The ping program sends an echo request packet to an address, and then awaits a reply. The ping output can help you evaluate path-to-host reliability, delays over the path, and whether the host can be reached or is functioning.
Verify connectivity to the TFTP server using the ping command.
To abnormally terminate a ping session, type the Ctrl-C escape sequence
Examples
The following example pings system 192.168.7.27.
switch# ping 192.168.7.27PING 192.168.7.27 (192.168.7.27): 56 data bytes64 bytes from 192.168.7.27: icmp_seq=0 ttl=255 time=0.4 ms64 bytes from 192.168.7.27: icmp_seq=1 ttl=255 time=0.2 ms64 bytes from 192.168.7.27: icmp_seq=2 ttl=255 time=0.2 ms64 bytes from 192.168.7.27: icmp_seq=3 ttl=255 time=0.2 ms--- 192.168.7.27 ping statistics ---13 packets transmitted, 13 packets received, 0% packet lossround-trip min/avg/max = 0.2/0.2/0.4 mspower redundancy-mode
To configure the capacity of the power supplies on the Cisco MDS 9500 Family of switches, use the power redundancy-mode command in configuration mode.
power redundancy-mode {combined | redundant [force]}
Syntax Descriptionpower redundancy-mode combined|redundant [force]fcdomainfcdomainfcdomainfcdomain
combined
Configures power supply redundancy mode as combined.
force
Forces combined mode without prompting.
redundant
Configures power supply redundancy mode as redundant.
ower
Defaults
Redundant mode.
Command Modes
Configuration mode
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.0(2).
Usage Guidelines
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Examples
The following examples demonstrate how the power supply redundancy mode could be set.
switch(config)# power redundancy-mode combinedWARNING: This mode can cause service disruptions in case of a power supply failure. Proceed ? [y/n] yswitch(config)# power redundancy-mode redundantRelated Commands
poweroff module
To power off individual modules in the system, use the poweroff module command in configuration mode in configuration mode.
[no] poweroff module module-number
Syntax Descriptionfcdomainfcdomainfcdomainfcdomain
no
Powers up the specified module in the switch
module-number
Specifies the module number from 1 to 9.
Defaults
None.
Command Modes
Configuration mode.
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.0(2).
Usage Guidelines
Use the poweroff module command to power off individual modules. The poweroff module command cannot be used to power off supervisor modules.
Examples
The following example powers off and powers up module 1.
switch# config tswitch(config)# poweroff module 1switch(config)#switch(config)# no poweroff 1switch(config)#Related Commands
show module
Displays information for a specified module.
copy running-config startup-config
Copies all running configuration to the startup configuration.
purge fcdomain fcid
To purge persistent FCIDs, use the purge fcdomain fcid command in EXEC mode.
purge fcdomain fcid vsan vsan-id
Syntax Description
vsan
Indicates that FCIDs are to be purged for a VSAN.
vsan-id
The ID of the VSAN is from 1 to 4093.
Defaults
None.
Command Modes
EXEC mode.
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.0(2).
Usage Guidelines
None.
Examples
The following example shows how to purge all dynamic, unused FC IDs in VSAN 4
switch# purge fcdomain fcid vsan 4switch#The following example shows how to purge all dynamic, unused FC IDs in VSANs 4, 5, and 6.
switch# purge fcdomain fcid vsan 3-5switch#pwd
To display the current directory location, use the pwd command in EXEC mode.
pwd
Syntax Description
This command has no keywords or arguments.
Defaults
None.
Command Modes
EXEC mode.
Command History
This command was introduced in Cisco MDS SAN-OS Release 1.0(2).
Usage Guidelines
None.
Examples
The following example changes the directory and displays the current directory.
switch# cd bootflash:logsswitch# pwdbootflash:/logsRelated Commands