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Chapter 18
Configuring STP
Configuring the Forwarding-Delay Time for a VLAN
Beginning in privileged EXEC mode, follow these steps to configure the forwarding-delay time for a
VLAN. This procedure is optional.
Command
Step 1
configure terminal
Step 2
spanning-tree vlan vlan-id forward-time
seconds
Step 3
end
Step 4
show spanning-tree vlan vlan-id
Step 5
copy running-config startup-config
To return to the default setting, use the no spanning-tree vlan vlan-id forward-time global
configuration command.
Configuring the Maximum-Aging Time for a VLAN
Beginning in privileged EXEC mode, follow these steps to configure the maximum-aging time for a
VLAN. This procedure is optional.
Command
Step 1
configure terminal
Step 2
spanning-tree vlan vlan-id max-age seconds
Step 3
end
Step 4
show spanning-tree vlan vlan-id
Step 5
copy running-config startup-config
To return to the default setting, use the no spanning-tree vlan vlan-id max-age global configuration
command.
OL-13270-06
Purpose
Enter global configuration mode.
Configure the forward time of a VLAN. The forward delay is the
number of seconds an interface waits before changing from its
spanning-tree learning and listening states to the forwarding state.
For vlan-id, you can specify a single VLAN identified by
•
VLAN ID number, a range of VLANs separated by a hyphen,
or a series of VLANs separated by a comma. The range is 1 to
4094.
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 of a VLAN. The
maximum-aging time is the number of seconds a switch waits
without receiving spanning-tree configuration messages before
attempting a reconfiguration.
For vlan-id, you can specify a single VLAN identified by
•
VLAN ID number, a range of VLANs separated by a
hyphen, or a series of VLANs separated by a comma. The
range is 1 to 4094.
•
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.
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
Configuring Spanning-Tree Features
18-23
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