Configuration Guide Manual

588 Brocade TurboIron 24X Series Configuration Guide
53-1003053-01
802.1s Multiple Spanning Tree Protocol
TABLE 94 Output from Show MSTP
This field... Displays...
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 Current hop count 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.
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