Cisco mds 9124 - fabric switch

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23-36
Cisco MDS 9000 Family Command Reference
OL-16217-01, Cisco MDS SAN-OS Release 3.x
Chapter 23 T Commands
tcp pmtu-enable
tcp pmtu-enable
To configure path MTU (PMTU) discovery, use the tcp pmtu-enable command. Use the no form of this
command to disable this feature or revert to its factory defaults.
tcp pmtu-enable [reset-timeout seconds]
no tcp pmtu-enable [reset-timeout seconds]
Syntax Description
Defaults Enabled.
3600 seconds.
Command Modes FCIP profile configuration submode.
Command History
Usage Guidelines None.
Examples The following example configures a FCIP profile:
switch# config terminal
switch(config)# fcip profile 5
switch(config-profile)#
The following example disables PMTU discovery:
switch(config-profile)# no tcp pmtu-enable
The following example enables PMTU discovery with a default of 3600 seconds:
switch(config-profile)# tcp pmtu-enable
The following example specifies the PMTU reset timeout to 90 seconds:
switch(config-profile)# tcp pmtu-enable reset-timeout 90
The following example leaves the PMTU in an enabled state but changes the timeout to the default of
3600 seconds:
switch(config-profile)# no tcp pmtu-enable reset-timeout 600
reset-timeout seconds Specifies the PMTU reset timeout. The range is 60 to 3600 seconds.
Release Modification
1.1(1) This command was introduced.