CCNP Lab 001: VLANs, VTP, DTP and STP

Lab Objective:

The focus of this lab is to understand basic VLAN, VTP, DTP and STP implementation and configuration in Cisco IOS Catalyst switches.

Lab Topology:

The lab network topology is illustrated below:

Task 1

Enable and configure VTP on the switches illustrated in the topology as follows:

1. All switches should reside in VTP domain ‘SWITCH’
2. All switches should run VTP version 2
3. All switches should allow VLAN creation, deletion and modification
4. All switches should use a  VTP password of ‘CCNP’

Task 2

Configure trunking on the switches as follows:

1. Configure ALS1 so that its interfaces will only trunk if the upstream switch is trunking
2. Configure ALS2 so that its interfaces will only trunk if the upstream switch is trunking
3. Configure DLS1 so that its interfaces will actively attempt to become trunk links
4. Configure DLS2 so that its interfaces will actively attempt to become trunk links

Task 3

Configure the following VLANs only on switch DLS1:

1. VLAN 100 name USER-VLAN
2. VLAN 200 name FILE-VLAN

Configure switch DLS1 so that Cisco IOS software automatically elects it as the root bridge for both VLANs without explicitly specifying a priority value. Ensure that switch DLS2 is also automatically elected backup root bridge for both VLANs.

Task 4

Configure Spanning Tree on switches ALS1 and ALS2 as follows:

1. Port Fa0/7 on ALS1 and port Fa0/9 on ALS2 should be forwarding for VLAN 100
2. Port Fa0/9 on ALS1 and port Fa0/7 on ALS2 should be forwarding for VLAN 200

Task 5

Configure your 802.1D network to improve convergence as follows:

1. Backup ports on Access layer switches should transition to forwarding in 1 to 5 seconds following the failure of the primary link to the root bridge
2. In the event of an indirect link failure, the network should converge within 30 seconds instead of the typical 50 seconds