Cisco ME 3800X Command Reference Manual page 486

spanning-tree vlan
This example shows how to set the spanning-tree hello-delay time to 3 seconds for VLANs 20 to 24:
Switch(config)# spanning-tree vlan 20-24 hello-time 3
This example shows how to set spanning-tree max-age to 30 seconds for VLAN 20:
Switch(config)# spanning-tree vlan 20 max-age 30
This example shows how to reset the max-age parameter to the default value for spanning-tree instance
100 and 105 to 108:
Switch(config)# no spanning-tree vlan 100, 105-108 max-age
This example shows how to set the spanning-tree priority to 8192 for VLAN 20:
Switch(config)# spanning-tree vlan 20 priority 8192
This example shows how to configure the switch as the root switch for VLAN 10 with a network
diameter of 4:
Switch(config)# spanning-tree vlan 10 root primary diameter 4
This example shows how to configure the switch as the secondary root switch for VLAN 10 with a
network diameter of 4:
Switch(config)# spanning-tree vlan 10 root secondary diameter 4
Related Commands Command
show spanning-tree vlan
spanning-tree cost
spanning-tree guard
spanning-tree port-priority
spanning-tree portfast (global
configuration)
spanning-tree portfast
(interface configuration)
Cisco ME 3800X and ME 3600X Switch Command Reference
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Description
Displays spanning-tree information.
Sets the path cost for spanning-tree calculations.
Enables the root guard or the loop guard feature for all the VLANs
associated with the selected interface.
Sets an interface priority.
Globally enables the BPDU filtering or the BPDU guard feature on
Port Fast-enabled STP ports or enables the Port Fast feature on all
nontrunking STP ports.
Enables the Port Fast feature on an STP port in all its associated
VLANs.
Chapter
OL-28238-01