Users Guide

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 Te 1/1
Port 257 (TenGigabitEthernet 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 MSTP interface.
Instance MSTP instance.
Sts Port state: root-inconsistent (INCON Root), forwarding (FWD), listening (LIS), blocking
(BLK), or shut down (EDS Shut).
Guard Type Type of STP guard congured (Root, Loop, or BPDU guard).
Example (Guard)
DellEMC# show spanning-tree msti 5 guard
Interface
Name Instance Sts Guard type
------------------------------------
Te 1/1 5 INCON(Root) Rootguard
Te 1/2 5 FWD Loopguard
Te 1/3 5 EDS(Shut) Bpduguard
spanning-tree
Enable the multiple spanning tree protocol on the interface.
Syntax
spanning-tree
To disable the multiple spanning tree protocol on the interface, use the no spanning-tree command.
Parameters
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-specic. For command information about other platforms, see the relevant Dell EMC
Networking OS Command Line Reference Guide.
Version Description
9.10(0.1) Introduced on the S6010-ON and S4048T-ON.
1200 Multiple Spanning Tree Protocol (MSTP)