Adding And Removing Interfaces; Creating Multiple Spanning Tree Instances - Dell C9000 Series Networking Configuration Manual

Hide thumbs Also See for C9000 Series:

Table of Contents

PROTOCOL MSTP mode

Example of Verifying MSTP is Enabled

To verify that MSTP is enabled, use the show config command in PROTOCOL MSTP mode.

Dell(conf)#protocol spanning-tree mstp

Dell(config-mstp)#show config

protocol spanning-tree mstp

Adding and Removing Interfaces

To add and remove interfaces, use the following commands.

To add an interface to the MSTP topology, configure it for Layer 2 and add it to a VLAN.

If you previously disabled MSTP on the interface using the no spanning-tree 0 command, to enable

MSTP, use the following command.

spanning-tree 0

To remove an interface from the MSTP topology, use the no spanning-tree 0 command.

Creating Multiple Spanning Tree

To create multiple spanning tree instances, use the following command.

A single MSTI provides no more benefit than RSTP. To take full advantage of MSTP, create multiple MSTIs and

map VLANs to them.

Create an MSTI.

PROTOCOL MSTP mode

Specify the keyword vlan then the VLANs that you want to participate in the MSTI.

Examples of Creating and Viewing MSTP Instances

The following example shows using the msti command.

Dell(conf)#protocol spanning-tree mstp

Dell(conf-mstp)#msti 1 vlan 100

Dell(conf-mstp)#msti 2 vlan 200-300

Dell(conf-mstp)#show config

protocol spanning-tree mstp

Multiple Spanning Tree Protocol (MSTP)