Administrator Guide

Table Of Contents
Field Description
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 configured (Root, Loop, or BPDU guard).
Example
(Guard)
Dell#show spanning-tree msti 5 guard
Interface
Name Instance Sts Guard type
------------------------------------
Gi 0/1 5 INCON(Root) Rootguard
Gi 0/2 5 FWD Loopguard
Gi 0/3 5 EDS(Shut) Bpduguard
spanning-tree
Enable the multiple spanning tree protocol on the interface.
Z9000
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-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.0.2.0 Introduced on the S6000.
Version
8.3.19.0
Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
1014
Multiple Spanning Tree Protocol (MSTP)