Reference Guide

Format show spanning-tree mst detailed mstid
Mode
•
Privileged EXEC
•
User EXEC
Parameter Description
mstid
A multiple spanning tree instance identifier. The value is 0–4094.
The following example shows CLI display output for the command.
(Extreme 220) (Routing) #show spanning-tree mst detailed 0
MST Instance ID................................ 0
MST Bridge Priority............................ 32768
MST Bridge Identifier.......................... 80:00:00:10:18:48:FC:07
Time Since Topology Change..................... 8 day 3 hr 47 min 7 sec
Topology Change Count.......................... 0
Topology Change in progress.................... FALSE
Designated Root................................ 80:00:00:10:18:48:FC:07
Root Path Cost................................. 0
Root Port Identifier........................... 00:00
Associated FIDs Associated VLANs
--------------- ----------------
(Extreme 220) (Routing) #
show spanning-tree mst port detailed
This command displays the detailed settings and parameters for a specific switch port within a
particular multiple spanning tree instance. The parameter mstid is a number that corresponds to the
desired existing multiple spanning tree instance. The unit/slot/port is the desired switch port. Instead of
unit/slot/port, lag lag-intf-num can be used as an alternate way to specify the LAG
interface. lag lag-
intf-num can also be used to specify the LAG interface where lag-intf-num is the LAG port number.
Format
show spanning-tree mst port detailed mstid unit/slot/port|lag
lag-intf-num
Mode
•
Privileged EXEC
•
User EXEC
Column Meaning
MST Instance ID The ID of the existing multiple spanning tree (MST) instance identifier. The value is 0–
4094.
Port Identifier The port identifier for the specified port within the selected MST instance. It is made
up from the port priority and the interface number of the port.
Port Priority The priority for a particular port within the selected MST instance. The port priority is
displayed in multiples of 16.
Port Forwarding State Current spanning tree state of this port.
Port Role Each enabled MST Bridge Port receives a Port Role for each spanning tree. The port
role is one of the following values: Root Port, Designated Port, Alternate Port, Backup
Port, Master Port or Disabled Port
Switching Commands
ExtremeSwitching 200 Series: Command Reference Guide for version 01 .02.04.0007 307