Configuring The Maximum-Aging Time; Configuring The Maximum-Hop Count - Cisco 3845 - Security Bundle Router Software Manual
Software configuration guide
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Configuring MSTP Features
Command
Step 1
configure terminal
Step 2
spanning-tree mst forward-time seconds
Step 3
end
Step 4
show spanning-tree mst
Step 5
copy running-config startup-config
To return the switch to its default setting, use the no spanning-tree mst forward-time global
configuration command.
Configuring the Maximum-Aging Time
Beginning in privileged EXEC mode, follow these steps to configure the maximum-aging time for all
MST instances. This procedure is optional.
Command
Step 1
configure terminal
Step 2
spanning-tree mst max-age seconds
Step 3
end
Step 4
show spanning-tree mst
Step 5
copy running-config startup-config
To return the switch to its default setting, use the no spanning-tree mst max-age global configuration
command.
Configuring the Maximum-Hop Count
Beginning in privileged EXEC mode, follow these steps to configure the maximum-hop count for all
MST instances. This procedure is optional.
Cisco ME 3800X and 3600X Switch Software Configuration Guide
14-24
Purpose
Enter global configuration mode.
Configure the forward time for all MST instances. The forward
delay is the number of seconds a port waits before changing from
its spanning-tree learning and listening states to the forwarding
state.
For seconds, the range is 4 to 30; the default is 15.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
Configure the maximum-aging time for all MST instances. The
maximum-aging time is the number of seconds a switch waits
without receiving spanning-tree configuration messages before
attempting a reconfiguration.
For seconds, the range is 6 to 40; the default is 20.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Chapter 14
Configuring MSTP
OL-23400-01
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