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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Chapter 14 Configuring MSTP
Configuring MSTP Features
To return the switch to its default setting, use the no spanning-tree mst hello-time global configuration
command.
Configuring the Forwarding-Delay Time
Beginning in privileged EXEC mode, follow these steps to configure the forwarding-delay time for all
MST instances. This procedure is optional.
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.
Step 4
show spanning-tree mst Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
spanning-tree mst forward-time seconds 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.
Step 3
end Return to privileged EXEC mode.
Step 4
show spanning-tree mst Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
spanning-tree mst max-age seconds 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.
Step 3
end Return to privileged EXEC mode.
Step 4
show spanning-tree mst Verify your entries.
Step 5
copy running-config startup-config (Optional) Save your entries in the configuration file.