Configuring The Hello Time - Cisco 7604 Configuration Manual

Configuring MST
To configure the switch priority, perform this task:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# spanning-tree mst instance_id
priority priority
Step 3
Router(config)# end
Step 4
Router# show spanning-tree mst instance_id
Step 5
Router# copy running-config startup-config
To return the router to its default setting, use the no spanning-tree mst instance_id priority global
configuration command.

Configuring the Hello Time

You can configure the interval between the generation of configuration messages by the root bridge by
changing the hello time.
Exercise care when using this command. For most situations, we recommend that you use the
Note
spanning-tree mst instance_id root primary and the spanning-tree mst instance_id root secondary
global configuration commands to modify the hello time.
To configure the hello time for all MST instances, perform this task:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# spanning-tree mst hello-time
seconds
Step 3
end
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
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Chapter 19 Configuring Standard-Compliant IEEE MST
Purpose
Enters global configuration mode.
(Optional) Configures the switch priority.
For instance_id, you can specify a single instance, a
•
range of instances separated by a hyphen, or a series
of instances separated by a comma. The range is 0 to
4094.
For priority, the range is 0 to 61440 in increments of
•
4096; the default is 32768. The lower the number, the
more likely the router will be chosen as the root
bridge.
Priority values are 0, 4096, 8192, 12288, 16384,
20480, 24576, 28672, 32768, 36864, 40960, 45056,
49152, 53248, 57344, and 61440. All other values
are rejected.
Returns to privileged EXEC mode.
Verifies your entries.
(Optional) Saves your entries in the configuration file.
Purpose
Enters global configuration mode.
(Optional) Configures the hello time for all MST
instances. The hello time is the interval between the
generation of configuration messages by the root bridge.
These messages mean that the router is alive.
For seconds, the range is 1 to 10; the default is 2.
Returns to privileged EXEC mode.
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