Brocade FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide - Manual (Page 341)

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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
Syntax: show mstp instance-number
The instance-number variable specifies the MSTP instance that you want to display information for.
Output from Show MSTP TABLE 52
Field Description
MSTP Instance The ID of the MSTP instance whose statistics are being displayed. For the CIST, this
number is 0.
VLANs The number of VLANs that are included in this instance of MSTP. For the CIST this number
will always be 1.
Bridge Identifier The MAC address of the bridge.
Bridge MaxAge sec Displays configured Max Age.
Bridge Hello sec Displays configured Hello variable.
Bridge FwdDly sec Displays configured FwdDly variable.
Bridge Hop cnt Displays configured Max Hop count variable.
Root MaxAge sec Max Age configured on the root bridge.
Root Hello sec Hello interval configured on the root bridge.
Root FwdDly sec FwdDly interval configured on the root bridge.
Root Hop Cnt Maximum hop count left from the root bridge.
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.
Spanning Tree Protocol
FastIron Ethernet Switch Platform and Layer 2 Switching Configuration Guide 341
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