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Chapter 46
Configuring Fallback Bridging
Adjusting the Interval between Hello BPDUs
Beginning in privileged EXEC mode, follow these step to adjust the interval between hello BPDUs. This
procedure is optional.
Command
Step 1
configure terminal
Step 2
bridge bridge-group hello-time seconds
Step 3
end
Step 4
show running-config
Step 5
copy running-config startup-config
To return to the default setting, use the no bridge bridge-group hello-time global configuration
command.
This example shows how to change the hello interval to 5 seconds in bridge group 10:
Switch(config)# bridge 10 hello-time 5
Changing the Forward-Delay Interval
The forward-delay interval is the amount of time spent listening for topology change information after
a port has been activated for switching and before forwarding actually begins.
Beginning in privileged EXEC mode, follow these steps to change the forward-delay interval. This
procedure is optional.
Command
Step 1
configure terminal
Step 2
bridge bridge-group forward-time
seconds
Step 3
end
Step 4
show running-config
Step 5
copy running-config startup-config
To return to the default setting, use the no bridge bridge-group forward-time global configuration
command.
This example shows how to change the forward-delay interval to 10 seconds in bridge group 10:
Switch(config)# bridge 10 forward-time 10
OL-12247-04
Purpose
Enter global configuration mode.
Specify the interval between hello BPDUs.
For bridge-group, specify the bridge group number. The range is 1
•
to 255.
For seconds, enter a number from 1 to 10. The default is 2.
•
Return to privileged EXEC mode.
Verify your entry.
(Optional) Save your entry in the configuration file.
Purpose
Enter global configuration mode.
Specify the forward-delay interval.
For bridge-group, specify the bridge group number. The range is 1
•
to 255.
For seconds, enter a number from 4 to 200. The default is 20.
•
Return to privileged EXEC mode.
Verify your entry.
(Optional) Save your entry in the configuration file.
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
Configuring Fallback Bridging
46-9
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