
▫
Root Port Identifier -
Port to access the Designated Root for this multiple spanning tree instance
▫
Associated FIDs -
List of forwarding database identifiers associated with this instance.
▫
Associated VLANs -
List of VLAN IDs associated with this instance.
10.1.4 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 instance
<mstid>
is a number that corresponds to the desired
existing multiple spanning tree instance. The <slot/port> is the desired switch port.
▫
Format
show spanning-tree mst port detailed <mstid> <slot/port>
▫
Mode
Privileged EXEC and User EXEC
▫
MST Instance ID
▫
Port Identifier
▫
Port Priority
▫
Port Forwarding State -
Current spanning tree state of this port
▫
Port Role
▫
Port Path Cost -
Configured value of the Internal Port Path Cost parameter
▫
Designated Root -
The Identifier of the designated root for this port.
▫
Designated Port Cost -
Path Cost offered to the LAN by the Designated Port
▫
Designated Bridge Bridge
- Identifier of the bridge with the Designated Port.
▫
Designated Port Identifier -
Port on the Designated Bridge that offers the lowest cost to the LAN
If 0 (defined as the default CIST ID) is passed as the <mstid>, then this command displays the settings
and parameters for a specific switch port within the common and internal spanning tree. The <slot/port>
is the desired switch port. In this case, the following are displayed.
▫
Port Identifier -
The port identifier for this port within the CST.
▫
Port Priority -
The priority of the port within the CST.
▫
Port Forwarding State -
The forwarding state of the port within the CST.
▫
Port Role -
The role of the specified interface within the CST.
▫
Port Path Cost -
The configured path cost for the specified interface.
▫
Designated Root -
Identifier of the designated root for this port within the CST.
▫
Designated Port Cost -
Path Cost offered to the LAN by the Designated Port.
▫
Designated Bridge -
The bridge containing the designated port
▫
Designated Port Identifier -
Port on the Designated Bridge that offers the lowest cost to the LAN
▫
Topology Change Acknowledgement -
Value of flag in next Configuration Bridge Protocol Data
Unit (BPDU) transmission indicating if a topology change is in progress for this port.
▫
Hello Time -
The hello time in use for this port.
▫
Edge Port -
The configured value indicating if this port is an edge port.
▫
Edge Port Status -
The derived value of the edge port status. True if operating as an edge port;
false otherwise.