Dell S3100 EMC Command Line Reference Guide for the Series 9.14.2.4 - Page 954
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DellEMC# show spanning-tree msti 0 MSTI 0 VLANs mapped 1-4094 Root Identifier has priority 32768, Address 0001.e801.6aa8 Root Bridge hello time 2, max age 20, forward delay 15, max hops 20 Bridge Identifier has priority 32768, Address 0001.e801.6aa8 Configured hello time 2, max age 20, forward delay 15, max hops 20 We are the root of MSTI 0 (CIST) Current root has priority 32768, Address 0001.e801.6aa8 CIST regional root ID Priority 32768, Address 0001.e801.6aa8 CIST external path cost 0 Number of topology changes 1, last change occured 00:00:15 ago on Gi 1/1 Port 257 (GigabitEthernet 1/1) is LBK_INC Discarding Port path cost 20000, Port priority 128, Port Identifier 128.257 Designated root has priority 32768, address 0001.e801.6aa8 Designated bridge has priority 32768, address 0001.e801.6aa8 Designated port id is 128.257, designated path cost 0 Number of transitions to forwarding state 1 BPDU (MRecords): sent 21, received 9 The port is not in the Edge port mode Usage Information The following describes the show spanning-tree msti 5 guard command shown in the following example. Field Description Interface Name Instance Sts Guard Type MSTP interface. MSTP instance. Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS), blocking (BLK), or shut down (EDS Shut). Type of STP guard configured (Root, Loop, or BPDU guard). Example (Guard) DellEMC# show spanning-tree msti 5 guard Interface Name Instance Sts Guard type Gi 1/1 5 INCON(Root) Rootguard Gi 1/2 5 FWD Loopguard Gi 1/3 5 EDS(Shut) Bpduguard spanning-tree Enable the multiple spanning tree protocol on the interface. Syntax Parameters spanning-tree To disable the multiple spanning tree protocol on the interface, use the no spanning-tree command. spanning-tree Enter the keywords spanning-tree to enable the MSTP on the interface. Defaults Enable. Command Modes INTERFACE Command History This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide. Version Description 9.10(0.1) 9.10(0.0) Introduced on the S6010-ON and S4048T-ON. Introduced on the S3148. 954 Multiple Spanning Tree Protocol (MSTP)
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