BigIron RX Series Configuration Guide 104553-1001810-01802.1s Multiple Spanning Tree Protocol 40Displaying MSTP statisticsMSTP statistics can be displayed using the commands shown below.To display all general MSTP information, enter the following command.Syntax: show mstp <instance-number>The <instance-number> variable specifies the MSTP instance that you want to display informationfor.TABLE 164 Output from Show MSTPThis field... Displays...MSTP Instance The ID of the MSTP instance whose statistics are being displayed. Forthe CIST, this number is 0.VLANs The number of VLANs that are included in this instance of MSTP. For theCIST 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.BigIron RX(config)#show mstpMSTP Instance 0 (CIST) - VLANs: 1----------------------------------------------------------------------------Bridge Bridge Bridge Bridge Bridge Root Root Root RootIdentifier MaxAge Hello FwdDly Hop MaxAge Hello FwdDly Hophex sec sec sec cnt sec sec sec cnt8000000cdb80af01 20 2 15 20 20 2 15 19Root ExtPath RegionalRoot IntPath Designated RootBridge Cost Bridge Cost Bridge Porthex hex hex8000000480bb9876 2000 8000000cdb80af01 0 8000000480bb9876 3/1Port Pri PortPath P2P Edge Role State Designa- DesignatedNum Cost Mac Port ted cost bridge3/1 128 2000 T F ROOT FORWARDING 0 8000000480bb9876MSTP Instance 1 - VLANs: 2----------------------------------------------------------------------------Bridge Max RegionalRoot IntPath Designated Root RootIdentifier Hop Bridge Cost Bridge Port Hophex cnt hex hex cnt8001000cdb80af01 20 8001000cdb80af01 0 8001000cdb80af01 Root 20Port Pri PortPath Role State Designa- DesignatedNum Cost ted cost bridge3/1 128 2000 MASTER FORWARDING 0 8001000cdb80af01
