Configuring The Mst Maximum-Aging Time - Cisco Nexus 7000 Series Configuration Manual

Configuring the MST Maximum-Aging Time

Configuring the MST Maximum-Aging Time
You can set the maximum-aging timer for all MST instances on the device with one command (the maximum
age time only applies to the IST).
The maximum-aging timer is the number of seconds that a device waits without receiving spanning tree
configuration messages before attempting a reconfiguration.
Before You Begin
Ensure that you are in the correct VDC (or enter the switchto vdc command).
SUMMARY STEPS
1. config t
2. spanning-tree mst max-age seconds
3. exit
4. (Optional) show spanning-tree mst
5. (Optional) copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1
config t
Example:
switch# config t
switch(config)#
Step 2 spanning-tree mst max-age seconds
Example:
switch(config)# spanning-tree mst max-age
40
Step 3
exit
Example:
switch(config)# exit
switch#
Step 4 show spanning-tree mst
Example:
switch# show spanning-tree mst
Step 5
copy running-config startup-config
Example:
switch(config)# copy running-config
startup-config
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
166
Purpose
Enters global configuration mode.
Configures the maximum-aging time for all MST instances.
The maximum-aging time is the number of seconds that a device
waits without receiving spanning tree configuration messages
before attempting a reconfiguration. For seconds, the range is
from 6 to 40, and the default is 20 seconds.
Exits global configuration mode.
(Optional)
Displays the MST configuration.
(Optional)
Copies the running configuration to the startup configuration.
Configuring MST Using Cisco NX-OS