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300 PowerConnect B-Series FCX Configuration Guide
53-1002266-01
802.1s Multiple Spanning Tree Protocol
8
Syntax: show mstp <instance-number>
The <instance-number> variable specifies the MSTP instance that you want to display information
for.
TABLE 56 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.
PowerConnect#show mstp
MSTP Instance 0 (CIST) - VLANs: 1
----------------------------------------------------------------------------
Bridge Bridge Bridge Bridge Bridge Root Root Root Root
Identifier MaxAge Hello FwdDly Hop MaxAge Hello FwdDly Hop
hex sec sec sec cnt sec sec sec cnt
8000000cdb80af01 20 2 15 20 20 2 15 19
Root ExtPath RegionalRoot IntPath Designated Root
Bridge Cost Bridge Cost Bridge Port
hex hex hex
8000000480bb9876 2000 8000000cdb80af01 0 8000000480bb9876 3/1
Port Pri PortPath P2P Edge Role State Designa- Designated
Num Cost Mac Port ted cost bridge
3/1 128 2000 T F ROOT FORWARDING 0 8000000480bb9876
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