Brocade Multi-Service IronWare Switching Configuration Guide (Supporting R05.6.00) - Manual (Page 428)

398 Multi-Service IronWare Switching Configuration Guide
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show mstp
12
Examples The following example displays MSTP information instance “1”:
.
Root Bridge Bridge identifier of the root bridge.
ExtPath Cost The configured path cost on a link connected to this port to an external MSTP region.
Regional Root Bridge The Regional Root Bridge is the MAC address of the Root Bridge for the local region.
IntPath Cost The configured path cost on a link connected to this port within the internal MSTP
region.
Designated Bridge The MAC address of the bridge that sent the best BPDU that was received on this port.
Root Port Port indicating shortest path to root. Set to “Root” if this bridge is the root bridge.
Port Num The port number of the interface.
Pri The configured priority of the port. The default is 128.
PortPath Cost Configured or auto detected path cost for port.
P2P Mac Indicates if the port is configured with a point-to-point link:
•
T – The port is configured in a point-to-point link
•
F – The port is not configured in a point-to-point link
Edge Indicates if the port is configured as an operational edge port:
•
T – indicates that the port is defined as an edge port.
•
F – indicates that the port is not defined as an edge port
Role The current role of the port:
•
Master
•
Root
•
Designated
•
Alternate
•
Backup
•
Disabled
State The port’s current 802.1w state. A port can have one of the following states:
•
Forwarding
•
Discarding
•
Learning
•
Disabled
Designated Cost Port path cost to the root bridge.
Max Hop cnt The maximum hop count configured for this instance.
Root Hop cnt Hop count from the root bridge.
Output field Description
Brocade(config)# show mstp 1
MSTP Instance 1 - VLANs: 2
----------------------------------------------------------------------------
Bridge Max RegionalRoot IntPath Designated Root Root
Identifier Hop Bridge Cost Bridge Port Hop
hex cnt hex hex cnt
8001000cdb80af01 20 8001000cdb80af01 0 8001000cdb80af01 Root 20
Port Pri PortPath Role State Designa- Designated
Num Cost ted cost bridge
3/1 128 2000 MASTER FORWARDING 0 8001000cdb80af01