User guide

212 ExtremeWare 7.2e Installation and User Guide
Spanning Tree Protocol (STP)
Displaying STP Settings
To display STP settings, use the following command:
show stpd {<spanning tree name> | detail}
This command displays the following information:
• STPD name
• STPD state
• STPD mode of operation
• Rapid Root Failover
• Tag
• Ports
• Active VLANs
• Bridge Priority
• Bridge ID
• Designated root
• STPD configuration information
To display the STP state of a port, use the following command:
show stpd <spanning tree name> ports <portlist> {detail}
This command displays the following information:
• STPD port configuration
• STPD port mode of operation
• STPD path cost
• STPD priority
• STPD state (root bridge, and so on)
• Port role (root bridge, edge port, etc.)
• STPD port state (forwarding, blocking, and so on)
• Configured port link type
• Operational port link type
If you have a VLAN that spans multiple STPDs, use the show vlan <vlan name> stpd command to
display the STP configuration of the ports assigned to that specific VLAN.
The command displays the following:
• STPD port configuration
• STPD port mode of operation
• STPD path cost
• STPD priority
• STPD state (root bridge, and so on)
• Port role (root bridge, edge port, etc.)