Configuring The Switch Priority Of A Bridge Group; Configuring The Hello Time - Cisco ONS 15454 Software Feature And Configuration Manual
Sonet / sdh ml-series multilayer ethernet card
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Chapter 6
Configuring STP and RSTP
Configuring the Switch Priority of a Bridge Group
You can configure the switch priority and make it more likely that the switch will be chosen as the root
switch.
Beginning in privileged EXEC mode, follow these steps to configure the switch priority of a bridge
group:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# bridge
bridge-group-number priority
priority
Step 3
Router(config)# end
To return the switch to its default setting, use the no bridge bridge-group-number priority priority
command.
Configuring the Hello Time
You can configure the interval between the generation of configuration messages by the root switch by
changing the hello time.
Beginning in privileged EXEC mode, follow these steps to configure the hello time of a bridge group:
Command
Step 1
Router# configure terminal
Step 2
Router(config)# bridge
bridge-group-number hello-time
seconds
Step 3
Router(config)# end
To return the switch to its default setting, use the no bridge bridge-group-number hello-time seconds
command.
Cisco ONS 15454 SONET/SDH ML-Series Multilayer Ethernet Card Software Feature and Configuration Guide, R4.0
January 2004
Configuring the Switch Priority of a Bridge Group
Purpose
Enters the global configuration mode.
Configures the switch priority of a bridge group.
For priority, the range is 0 to 61440 in increments of 4096; the
default is 32768. The lower the number, the more likely the switch
will be chosen as the root switch.
The value entered is rounded to the lower multiple of 4096. The
actual number is computed by adding this number to the bridge
group number.
Return to the privileged EXEC mode.
Purpose
Enters global configuration mode.
Configures the hello time of a bridge group. The hello time is
the interval between the generation of configuration
messages by the root switch. These messages mean that the
switch is alive.
For seconds, the range is 1 to 10; the default is 2.
Returns to privileged EXEC mode.
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