PVST+ Configuration
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Alcatel-Lucent
Beta Beta
OmniAccess 5740 Unified Services Gateway CLI Configuration Guide
TO DISABLE/ENABLE PVST+ ON AN INTERFACE
EXAMPLE
ALU(config-if switchport1/0)# spanning-tree vlan 100 spanning-
disabled
ALU(config-if switchport1/0)# no spanning-tree vlan 100
spanning-disabled
T
O CALCULATE THE PVST+ COST
Note: - When two bridges compete for position as the root bridge, configure the PVST cost
to prioritize an interface.
- The PVST+ cost is configured on a per port basis.
E
XAMPLE
ALU(config-if switchport1/0)# spanning-tree vlan 100 cost 1000
ALU(config-if switchport1/0)# no spanning-tree vlan 100 cost
Command (in ICM) Description
spanning-tree [vlan <1-4094>]
spanning-disabled
This command is entered in the interface
configuration mode.
This disables the Spanning-tree on a
specific interface.
no spanning-tree [vlan <1-
4094>] spanning-disabled
The “no” command enables the Spanning-
tree on a specific interface.
Command (in ICM) Description
spanning-tree [vlan <1-4094>]
cost <1-65535>
This command is entered in the interface
configuration mode.
This command calculates the path cost
of PVST+ on a specific interface.
no spanning-tree [vlan <1-
4094>] cost
The “no” command resets the PVST+
cost to its default value.
The default PVST+ cost is 4.
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