Reference Guide

Command Mode CONFIGURATION
Usage Information All STP instances are stopped in the previous STP mode, and are restarted in the new mode. You can also change
to RSTP/MST mode.
Example (RSTP)
OS10(config)# spanning-tree mode rstp
Example (MST)
OS10(config)# spanning-tree mode mst
Supported Releases 10.2.0E or later
spanning-tree port
Sets the port type as the EdgePort.
Syntax
spanning-tree port type edge
Parameters None
Default Not congured
Command Mode INTERFACE
Usage Information When you congure an EdgePort on a device running STP, the port immediately transitions to Forwarding state.
Only congured ports connected to end hosts act as EdgePorts.
Example
OS10(config)# spanning-tree port type edge
Supported Releases 10.2.0E or later
spanning-tree rstp force-version
Congures a forced version of spanning tree to transmit BPDUs.
Syntax
spanning-tree rstp force-version stp
Parameters stp — Force the version for the BPDUs transmitted by RSTP.
Default Not congured
Command Mode CONFIGURATION
Usage Information Forces a bridge that supports RSTP or MST to operate in a STP-compatible manner to avoid frame misordering
and duplication in known LAN protocols that are sensitive.
Example
OS10(config)# spanning-tree rstp force-version stp
Supported Releases 10.2.0E or later
spanning-tree rstp forward-time
Congures a time interval for the interface to wait in the Blocking state or the Learning state before moving to the Forwarding state.
Syntax
spanning-tree rstp forward-time seconds
Parameters seconds — Enter the number of seconds an interface waits in the Blocking or Learning States before moving to
the Forwarding state (4 to 30).
206 Layer 2