Reference Guide

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 forward-time
Congures 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 4094).
• 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
Congures 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.
• rstp — Forces the version for the BPDUs transmitted by RPVST+ to RSTP
Default Not congured
Command Mode CONFIGURATION
Usage Information Forces a bridge that supports RPVST+ to operate in a STP-compatible mode.
Example
OS10(config)# spanning-tree mst force-version
Supported Releases 10.2.0E or later
spanning-tree vlan hello-time
Sets the time interval between generation and transmission of RPVST BPDUs.
Syntax
spanning-tree vlan vlan-id hello-time seconds
Parameters
• vlan-id — Enter the VLAN ID number (1 to 4094).
• seconds — Enter a hello-time interval value in seconds (1 to 10).
194 Layer 2