|
3.6.2
|
Enabling and disabling Spanning-Tree Protocol
Switch(config)#spanning-tree vlan vlan-id
|
|
3.6.3
|
Modifying the root bridge
Pre 12.1(9)EA1
Switch(config)#spanning-tree vlan vlan-id root
12.1(9)EA1 +
Switch(config)#spanning-tree vlan vlan-id root primary
|
|
3.6.4
|
Setting the priority for ports and
VLANs
Switch#show spanning-tree interface
|
|
3.6.5
|
Setting the port cost
Switch#show spanning-tree interface
|
|
3.6.7
|
Modifying default timers
Switch(config)#show spanning-tree interface spanning-tree vlan vlan-id hello-time
Switch(config)#spanning-tree vlan vlan-id forward-time
Switch(config)#Spanning-tree vlan vlan-id max-age
|
|
3.7.1
|
Configuring PortFast
Switch(config)#spanning-tree portfast default
Switch(config-if)#spanning-tree portfast disable
|
|
3.7.2
|
Configuring UplinkFast
Switch(config)#no spanning-tree vlan vlan-id priority
Switch(config)#no spanning-tree uplinkfast max-update-rate
Switch(config)#no spanning-tree uplinkfast
|
|
3.7.3
|
Configuring BackboneFast
Switch(config)#no spanning-tree backbonefast
|
|
3.7.4
|
Configuring BPDU guard
Switch(config-if)#spanning-tree bpduguard enable
Switch(config)#no spanning-tree portfast bpduguard default
|
|
3.7.5
|
Configuring root guard
Switch(config)#no spanning-tree guard
|
|
3.7.7
|
Verifying STP, RSTP and MST configuration
Switch#show spanning-tree
|
|
3.8.3
|
Enabling RSTP and MSTP
Switch(config-mst)#no instance instance-id [vlan vlan-range]
Switch(config)#no spanning-tree mode
Switch(config)#spanning-tree mode pvst
Switch(config)#spanning-tree mst configuration
Switch(config-mst)#name mst-instance-name
Switch(config-mst)#revision number
Switch(config-mst)#show pending
|
|
3.8.4
|
Configuring the MST Root switch
Switch(config)#spanning-tree mst instance-id root
|
|
3.8.7
|
Configuring MST port priority
Switch#show spanning-tree mst interface interface-id
Switch#show running-config interface
Switch(config-if)#no spanning-tree mst instance-id port-priority
|
|
3.8.6
|
Configuring MST path cost
Switch#show spanning-tree mst interface Switch#show running-config
Switch(config-if)#no spanning-tree mst instance-id cost
|
|
3.8.8
|
Configuring MSTP timers
Note: Exercise care when using this command. For most situations, we recommend that
you use the spanning-tree mst instance-id root primary and the
spanning-tree mst
instance-id root secondary global configuration commands to modify the hello time.
Switch(config)#no spanning-tree mst hello-time
Switch(config)#no spanning-tree mst forward-time
Switch(config)#no spanning-tree mst max-age
|
|
3.8.9
|
Configuring Maximum hop count
Switch(config)#no spanning-tree mst max-hops
|
|
3.9.8
|
Configuring Fast EtherChannel
Switch(config-if)#channel-group channel-group-number mode{auto
[non-silent] | desirable [non-silent] | on}
Switch(config-if)#no channel-group.
Switch#show etherchannel [channel-group-number] {brief
| detail | load-balance| port | port-channel |
summary}
Switch(config-if)#port-channel load-balance {dst-mac | src-mac},
Switch(config)#show etherchannel load-balance
Switch(config)#show pagp [channel-group-number] {counters
| internal | neighbor}
|
