Connectivity Guide

Example
OS10(config)# interface ethernet 1/1/4
OS10(config-if-eth1/1/4)# spanning-tree disable
Supported Releases 10.3.0E or later
spanning-tree guard
Enables or disables loop guard or root guard on an interface.
Syntax
spanning-tree guard {loop | root | none}
Parameters
• loop — Enables loop guard on an interface.
• root — Enables root guard on an interface.
• none — Sets the guard mode to none.
Default Not congured
Usage Information Root guard and loop guard congurations are mutually exclusive. Conguring one overwrites the other from the
active conguration.
Command Mode INTERFACE
Example
OS10(conf-if-eth1/1/4)# spanning-tree guard root
Supported Releases 10.2.0E or later
spanning-tree mode
Enables an STP type: RSTP, Rapid-PVST+, or MST.
Syntax
spanning-tree mode {rstp | mst | rapid-pvst}
Parameters
• rstp — Sets STP mode to RSTP.
• mst — Sets STP mode to MST.
• rapid-pvst — Sets STP mode to RPVST+.
Default RPVST+
Command Mode CONFIGURATION
Usage Information All STP instances stop in the previous STP mode, and restart 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
260 Layer 2