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280 Configuring Switch Information
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The following is an example of the CLI commands:
Console(config)# spanning-tree
Console(config)# spanning-tree mode rstp
Console(config)# spanning-tree priority 12288
Console(config)# spanning-tree hello-time 5
Console(config)# spanning-tree max-age 10
Console(config)# spanning-tree forward-time 25
Console(config)# exit
Console# show spanning-tree
Table 7-15. STP Global Settings CLI Commands
CLI Command Description
spanning-tree Enables spanning tree functionality.
spanning-tree mode {stp
| rstp}
Configures the spanning tree protocol
mode.
spanning-tree pathcost
method {long | short}
Configures the spanning tree path cost
method.
spanning-tree bpdu
{filtering | flooding}
Configures handling BPDU packets when
the spanning tree is disabled on an
interface.
spanning-tree priority
priority
Configures the spanning tree priority.
spanning-tree hello-time
seconds
Configures the spanning tree bridge Hello
Time, which is how often the switch
broadcasts Hello messages to other
switches.
spanning-tree max-age
seconds
Configures the spanning tree bridge
maximum age.
spanning-tree forward-
time
seconds
Configures the spanning tree bridge
forward time, which is the amount of time
a port remains in the listening and learning
states before entering the forwarding state.
show spanning-tree
[ethernet
interface
|
port-channel
port-
channel-number
]
Displays spanning tree configuration.