Reference Guide

● Port-channel interface with one 10 Gigabit Ethernet = 2000
● Port-channel with two 1 Gigabit Ethernet = 18000
● Port-channel with two 10 Gigabit Ethernet = 1800
● Port-channel with two 100 Mbps Ethernet = 180000
Command Mode INTERFACE
Usage
Information
The media speed of a LAN interface determines the STP port path cost default value.
Example
OS10(conf-if-eth1/1/4)# spanning-tree vlan 10 cost 1000
Supported
Releases
10.2.0E or later
spanning-tree vlan disable
Disables spanning tree on specified VLAN.
Syntax
spanning-tree vlan vlan-id disable
Parameters vlan-id — Enter the VLAN ID number, ranging from 1 to 4093.
Default Enabled
Command Mode CONFIGURATION
Usage
Information
The no version of this command enables spanning tree on the specified VLAN.
Example
OS10(config)# spanning-tree vlan 100 disable
Supported
Releases
10.4.0E(R1) or later
spanning-tree vlan forward-time
Configures a time interval for the interface to wait in Blocking state or Learning state before moving to Forwarding state.
Syntax
spanning-tree vlan vlan-id forward-time seconds
Parameters
● vlan-id— Enter a VLAN ID number (1 to 4093).
● seconds — Enter the forward-delay time in seconds (4 to 30).
Default 15 seconds
Command Mode CONFIGURATION
Usage
Information
None
Example
OS10(config)# spanning-tree vlan 10 forward-time 16
Supported
Releases
10.2.0E or later
spanning-tree vlan force-version
Configures a forced version of spanning-tree to transmit BPDUs.
Syntax
spanning-tree vlan vlan-id force-version {stp | rstp}
Parameters
● stp — Forces the version for the BPDUs transmitted by RPVST+ to STP.
Layer 2 221