Spanning Tree Root Guard

Scenario:

For this lab you need REAL hardware. You can’t use switches in GNS3!

You need at least Catalyst 2950 switches for this lab.

Medieval corporation is specialized in enhancing security for switched networks. You as one of the network engineers in the security team are working on a switched network of one of your customers. You want to enhance security by making sure the network will not accept any inferior root bridges.

Goal:

• Configure SW2 as the root bridge for VLAN 1.
• Configure SW3 to have a spanning tree priority of 4096 for VLAN 1.
• Ensure SW1 does not accept SW3 as a root bridge.

It took me 1000s of hours reading books and doing labs, making mistakes over and over again until I mastered all the switch protocols for CCNP.

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IOS:

Basic IOS for the switches should be sufficient. No special features needed.

Topology:

Video Solution:

Configuration Files

Once you are logged in you will find the configuration files right here.

Do you want your CCNA or CCNP Certificate?

The How to Master series helps you to understand complex topics like spanning-tree, VLANs, trunks, OSPF, EIGRP, BGP and more.

Written by René Molenaar - CCIE #41726

Master CCNA and CCNP Today!