Enabling STP

Description: This lab exercise demonstrates the necessary commands to enable and disable spanning tree protocol on a switch.

Instructions

1. Enter into configuration mode on SW1
2. Issue command "spanning-tree vlan <vlan-num> to enable spanning-tree on a specified VLAN
3. Issue no form of the command "spanning-tree vlan <vlan-num> to disable spanning-tree on the VLAN specified.

SW1>enable 
SW1#configure terminal 
SW1(config)#spanning-tree vlan 1 
SW1(config)#no spanning-tree vlan 1
SW1(config)#exit
SW1# 

Note: Spanning Tree Protocol (STP) is enabled by default on modern switches. It is possible to disable or enable the Spanning Tree Protocol (STP) when required.

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