FeedbackTable Of Contents
F 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. Please see the Command Mode section to determine the appropriate mode for each command. For more information, see the Cisco MDS 9000 Family Configuration Guide.
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fcalias
To configure an FC alias, use the fcalias command.
fcalias name alias name vsan number
The no form of this command disables the daylight saving time adjustment feature.
Syntax Description
fcalias name
Configures an FC alias for a member for the specified vsan.
alias name
Enters the name of fcalias (Max Size - 64)
vsan
Configures an fcalias on a VSAN
number
Enters VSAN number 1-4093
Defaults
None
Command Modes
Configuration mode
Usage Guidelines
To include multiple members in any alias using the FC ID, fWWN, or pWWN values.
Examples
switch# config tswitch(config)# fcalias name AliasSample vsan 3switch-config-fcalias#switch-config-fcalias# member fcid 0x222222switch-config-fcalias#switch-config-fcalias# member pwwn 10:00:00:23:45:67:89:abswitch-config-fcalias#switch-config-fcalias# member fwwn 10:01:10:01:10:ab:cd:efswitch-config-fcalias#Related Commands
fcanalyzer
To configure the Cisco Fabric Analyzer by issuing the fcanalyzer commands.
fcanalyzer [ local brief | display-filter | limit-frame-size | limit-captured-frames write ] [remote ip_address active port_number ] .
Syntax Description
Defaults
None.
Command Modes
Configuration mode
Usage Guidelines
You can capture Fibre Channel control traffic from a switch and decode it without having to disrupt connectivity and without having to be local to the point of analysis.
Examples
switch# config t3switch(config)# fcanalyzer localCapturing on eth2switch(config)#switch(config)# fcanalyzer local briefCapturing on eth2switch(config)#switch(config)# fcanalyzer local display-filter SampleFCapturing on eth2switch(config)# fcanalyzer local limit-frame-size 64Capturing on eth2switch(config)#switch(config)# fcanalyzer local limit-captured-frames 10Capturing on eth2switch(config)#switch(config)# fcanalyzer local write SampleFileCapturing on eth2switch(config)#3switch(config)# fcanalyzer remote 10.21.0.3Capturing on eth2switch(config)#switch(config)# fcanalyzer remote 10.21.0.3 activeCapturing on eth2Related Commands
clear fcanalyzer
Clear the entire list of configured hosts
show fcanalyzer
Displays the list of hosts configured for a remote capture
fcc
To assign Fibre Channel Congestion Control priority, use the fcc priority command in configuration mode.
fcc [ priority number ]
Syntax Description
fcc
Enables FCC for the entire switch.
priority
Assigns FCC priority for the entire switch.
number
The FCC priority threshold. with 0 being the lowest and 7 being the highest.
Defaults
Disabled (when enabled, what is default priority?)
Command Modes
Configuration mode
Usage Guidelines
FCC reduces the congestion in the traffic without interfering with standard Fibre Channel protocol.
Examples
switch# config tswitch(config)# fcc priority 2switch(config-if)#Get new example
Related Commands
fcdomain
To configure the Fibre Channel domain feature, use the fcdomain command.
fcdomain [ auto-reconfigure vsan number ] [ contiguous-allocation vsan number ] [ domain id preferred vsan number | static c ] [ fabric-name name ] [ fcid database vsan number | persistent vsan number ] [ priority value vsan number ] [ restart disruptive vsan number] [ vsan number ] [ restart vsan number ] [vsan number ]
no form of this command, disables the FC domain.
Syntax Description
Defaults
Enabled
Command Modes
Configuration mode
Usage Guidelines
Used to select the principle switch, domain ID distribution, reconfigure fabric, and allocate FC IDs.
Examples
switch# config tswitch(config)#switch(config)# fcdomain domain 3 preferred vsan 87switch(config)#switch(config)# no fcdomain domain 3 preferred vsan 87switch(config)# fcdomain domain 2 static vsan 237switch(config)# no fcdomain domain 2 static vsan 237switch(config)# fcdomain restart vsan 1switch(config)#switch(config)# fcdomain restart disruptive vsan 1switch(config)#switch(config)# fcdomain priority 25 VSAN 99switch(config)# no fcdomain priority 25 VSAN 99switch(config)#switch(config)# fcdomain auto-reconfigure vsan 10switch(config)#switch(config)# fcdomain contiguous-allocation vsan 81-83switch(config)#switch(config)# no fcdomain contiguous-allocation vsan 1030switch(config)#switch(config)# fcdomain fabric-name 20:1:ac:16:5e:0:21:01 vsan 3switch(config)#switch(config)# no fcdomain fabric-name 20:1:ac:16:5e:0:21:01 vsan 3010switch(config)#Related Commands
fcdroplatency
To configure the network and switch drop latency time, use the fcdroplatency command.
fcdroplatency [ network milliseconds| switch milliseconds]
no form of this command, disables the FC latency.
Syntax Description
Defaults
Disabled
Command Modes
Configuration mode
Usage Guidelines
None.
Examples
switch# config tswitch(config)#switch(config)# fcdroplatency network 5000switch(config)#switch(config)# no fcdroplatency networkswitch(config)#switch(config)# fcdroplatency switch 4000switch(config)#switch(config)# no fcdroplatency switchswitch(config)#Related Commands
fcflow stats
To configure fcflow statistics, use the fcflow stats command. Use the no form of this command to disable the counter.
fcflow stats {aggregated module module-number | module module-number}
Syntax Description
aggregated
Configures aggregated fcflow statistics.
module module-number
The number of the module for which fcflow statistics are to be cleared. The module number is a number from 1-9.
Defaults
None.
Command Modes
Configuration
Usage Guidelines
None.
Examples
switch-config# fcflow stats aggregated module 1 switch-config#switch(config)# no fcflow stats aggregated module 1 index 1005 vsan 1switch(config)#fcinterop fcid-allocation
To allocate FC ids on the switch, use the fcinterop fcid-allocation command.
fcinterop [ fcid-allocation auto | flat | none ]
Syntax Description
Defaults
fcinteropfcid-allocation auto
Command Modes
Configuration mode
Usage Guidelines
fcinterop fcid-allocation command is used to save FC IDs used on a switch.
Examples
switch# config tswitch(config)#switch(config)# fcinterop fcid-allocation noneswitch(config)#switch(config)# fcinterop fcid-allocation flatswitch(config)#switch(config)# fcinterop fcid-allocation autoswitch(config)#Related Commands
show flogi database
Verify if a storage device is displayed in the Fabric login (FLOGI) table
fcinterop loop-monitor
To monitor remove of discs from a loop port, use the fcinterop loop-monitor command.
fcinterop loop-monitor
no form of this command disables the loop monitoring.
Syntax Descriptionfcdomainfcdomainfcdomainfcdomain
fcinterop
Enables the automatic reconfiguration option in specified VSAN.
loop-monitor
Set monitoring of NL ports in loop.
Defaults
Disabled
Command Modes
Configuration mode
Usage Guidelines
fcinterop loop-monitor command is used to detect devices that are removed from a looped port.
Examples
switch# config tswitch(config)#switch(config)# fcinterop loop-monitorswitch(config)# no fcinterop loop-monitorRelated Commands
show flogi database
Verify if a storage device is displayed in the Fabric login (FLOGI) table.
fcns
To register name server proxy, use the fcns proxy-port command.
fcns [ proxy-port wwn_address | [vsan number ]
Syntax Description
fcns proxy-port
Registers port world wise name.
wwn_address
World wide name address
vsan
Configures a proxy port for the specified VSAN.
number
VSAN number
Defaults
None
Command Modes
Configuration mode
Examples
switch# config tswitch(config)#switch(config)# fcns proxy-port 21:00:00:e0:8b:00:26:dswitch(config)#switch(config)# fcns proxy-port 21:00:00:e0:8b:00:26:d vsan 2switch(config)#Related Commands
show fcns
Displays the name server database and statistical information for a specified VSAN or for all VSANs
fcping
To ping an N-port with a specified FC-id, use the fcping fcid command.
fcping {fcid fc-id vsan vsan-id [count integer | timeout value | usr-priority] | pwwn wwn-id}
Syntax Description
Defaults
None.
Command Modes
Exec.
Usage Guidelines
None.
Examples
This example shows a fcping operation for the specified pWWN or the FCID of the destination. By default, five frames are sent.
switch# fcping fcid 0xd70000 vsan 128 bytes from 0xd70000 time = 730 usec28 bytes from 0xd70000 time = 165 usec28 bytes from 0xd70000 time = 262 usec28 bytes from 0xd70000 time = 219 usec28 bytes from 0xd70000 time = 228 usec5 frames sent, 5 frames received, 0 timeoutsRound-trip min/avg/max = 165/270/730 usecThis example shows the setting of the number of frames to be sent using the count option. The range is from 0 through 2147483647. A value of 0 will ping forever.
switch# fcping fcid 0xd70000 vsan 1 count 1028 bytes from 0xd70000 time = 730 usec28 bytes from 0xd70000 time = 165 usec28 bytes from 0xd70000 time = 262 usec28 bytes from 0xd70000 time = 219 usec28 bytes from 0xd70000 time = 228 usec28 bytes from 0xd70000 time = 230 usec28 bytes from 0xd70000 time = 230 usec28 bytes from 0xd70000 time = 225 usec28 bytes from 0xd70000 time = 229 usec28 bytes from 0xd70000 time = 183 usec10 frames sent, 10 frames received, 0 timeoutsRound-trip min/avg/max = 165/270/730 usecThis example shows the setting of the timeout value. The default period to wait is 5 seconds. The range is from 1 through 10 seconds.
switch# fcping fcid 0xd500b4 vsan 1 timeout 1028 bytes from 0xd500b4 time = 1345 usec28 bytes from 0xd500b4 time = 417 usec28 bytes from 0xd500b4 time = 340 usec28 bytes from 0xd500b4 time = 451 usec28 bytes from 0xd500b4 time = 356 usec5 frames sent, 5 frames received, 0 timeoutsRound-trip min/avg/max = 340/581/1345 usecThis command shows the issue of a No response from the N port message even when the N port or NL port is active. This is due to resource exhaustion at the N port or NL port. Retry the command a few seconds later.
switch# fcping fcid 0x010203 vsan 1No response from the N port.switch# fcping pwwn 21:00:00:20:37:6f:db:dd vsan 128 bytes from 21:00:00:20:37:6f:db:dd time = 1454 usec28 bytes from 21:00:00:20:37:6f:db:dd time = 471 usec28 bytes from 21:00:00:20:37:6f:db:dd time = 372 usec28 bytes from 21:00:00:20:37:6f:db:dd time = 364 usec28 bytes from 21:00:00:20:37:6f:db:dd time = 1261 usec5 frames sent, 5 frames received, 0 timeoutsRound-trip min/avg/max = 364/784/1454 usecfcroute
To configure Fibre Channel routes, use the fcroute command.
fcroute [FCID FC ID_network mask | interface type [ domain number| metric number | remote | vsan vsan-id ]
Syntax Description
Defaults
None
Command Modes
Configuration mode
Usage Guidelines
Use this command to assign forwarding information to the switch.
Examples
switch# config tswitch(config)#switch(config)# fcroute 0x111211 interface fc1/1 domain 3 vsan 2switch(config)#switch(config)# fcroute 0x111211 interface port-channel 1 domain 3 vsan 4switch(config)#switch(config)# fcroute 0x031211 interface fc1/1 domain 3 metric 1 vsan 1switch(config-if)#switch(config)# fcroute 0x111112 interface fc1/1 domain 3 metric 3 remote vsan 3Related Commands
fcs
To perform platform and node name checking fabric wide, and register FCS attributes, use the fcs command.
fcs {plat-check-global vsan vsan_number | register [ exit | no | platform] VSANname name }
Syntax Description
Defaults
None.
Command Modes
Configuration mode
Usage Guidelines
None.
Examples
switch## config tswitch(config)##switch(config)# # fcs plat-check-global vsan 2switch (config)# fcs registerswitch (config-fcs-register)# platform nameRelated Commands
fctimer
To change the default Fibre Channel timers, use the fctimer command.
fctimer {D_S_TOV milliseconds | E_D_TOV milliseconds | R_A_TOV milliseconds F_S_TOV milliseconds}
Syntax DescriptionD_S_TOV D_S_TOV in milliseconds(5000-100000)
Syntax Description E_D_TOV E_D_TOV in milliseconds(1000-100000)
Syntax Description R_A_TOV R_A_TOV in milliseconds(5000-100000)fcdomainfcdomainfcdomainfcdomain
Defaults
RA_TOV default is 10 seconds and ED_TOV default is 2 seconds
Command Modes
Configuration mode
Usage Guidelines
The Cisco MDS 9000, Brocade, and McData FC Error Detect (ED_TOV) and Resource Allocation (RA_TOV) timers default to the same values. They can be changed if needed. The RA_TOV default is 10 seconds, and the ED_TOV default is 2 seconds. Per the FC-SW2 standard, these values must be the same on each switch within in the fabric.
Examples
switch## config tswitch(config)##switch(config)# fctimer e_d_tov ?<1000-100000> E_D_TOV in milliseconds(1000-100000)switch(config)# fctimer r_a_tov ?<5000-100000> R_A_TOV in milliseconds(5000-100000)Related Commands
fctrace
To trace the route to an N-port, use the fctrace command.
fctrace [fcid fcid vsan vsan-id [timeout value] | pwwn wwn-id]
Syntax Description
Defaults
None.
Command Modes
Exec.
Usage Guidelines
None.
Examples
switch# fctrace fcid 0x660000 vsan 1Route present for : 0x66000020:00:00:05:30:00:5f:1e(0xfffc65)Latency: 0 msec20:00:00:05:30:00:61:5e(0xfffc66)Latency: 0 msec20:00:00:05:30:00:61:5e(0xfffc66)switch#find
To display a list of files on a file system, use the find command.
find filename
Syntax Description
Defaults
None
Command Modes
EXEC
Usage Guidelines
Use the find (Flash file system) command to display more detail about the files in a particular file system.
Examples
The following is sample output of all files that begin with the alphabet a:
switch# find a ./accountingd./acl./ascii_cfg_server./arpingRelated Commands
cd
Changes the default directory or file system.
dir
Displays all files in a given file system.
format
To erase all the information on a module, use the format command.
format {bootflash: | slot0:}
Syntax Description
This command has no arguments or keywords.
Defaults
None.
Command Modes
Exec.
Usage Guidelines
None,
Examples
switch# format bootflash:switch#fspf config
To configure an FSPF feature for the entire VSAN, and to enable or disable FSPF, use the fspf config command.
fspf config vsan vsan-id | enable vsan vsan-id
To delete FSPF configuration for the entire VSAN, and to enable or disable FSPF routing protocols, use the no form of the command.
Syntax Descriptionfcdomainfcdomainfcdomainfcdomain
Defaults
In Configuration mode, the default is enabled.
In the FSPF submode, the default is dynamic.
Command Modes
Configuration mode, FSPF Configuration mode
Usage Guidelines
Can configure FSPF on VSANs globally.
For the commands issued in fspf configuration mode, you do not have to specify the VSAN number every time. This prevents configuration errors that might result from specifying the wrong VSAN number for these commands.
Examples
switch## config tswitch(config)##switch(config)# fspf config vsan 1switch-config-(fspf-config)#switch-config-(fspf-config)# exitswitch(config)##switch(config)# no fspf config vsan 3switch(config)#switch(config)# no fspf enable vsan 5switch(config)#switch(config)# fspf enable vsan 7switch(config)#Related Commands
show fspf interface
Displays information for each selected interface.
fspf enable
fspf cost
fspf hello-interval
fspf passive
fspf retrasmit