VTP and DTP Troubleshoot With 2.2.3.3. Packet Tracer - 200-301

VTP and DTP Troubleshoot With 2.2.3.3. Packet Tracer


Download the VTP File HERE

 

2.2.3.3 Packet Tracer – Troubleshoot VTP and DTP

Addressing Table

Device IP Address Subnet Mask
PC0 172.16.10.1 255.255.255.0
PC1 172.16.20.1 255.255.255.0
PC2 172.16.30.1 255.255.255.0
PC3 172.16.30.2 255.255.255.0
PC4 172.16.20.2 255.255.255.0
PC5 172.16.10.2 255.255.255.0
S1 172.16.99.1 255.255.255.0
S2 172.16.99.2 255.255.255.0
S3 172.16.99.3 255.255.255.0

Objectives

Part 1: Troubleshoot DTP

Part 2: Troubleshoot VTP

Background / Scenario

In this activity, the switches S2 and S3 are not implementing VTP information. You will verify that DTP and VTP configurations are correctly implemented. When all the issues are resolved, the PCs in the same VLAN will be able to communicate with each other.

Part 1: Troubleshoot DTP

In Part 1, you will troubleshoot the trunk links among the switches. You will verify that permanent trunk links are used between the switches.

a. Enter show interfaces trunk at the privileged EXEC prompt on all the switches to determine the status of the trunk links. How many trunk links are configured currently?

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There are no working trunk links between the switches.

b. Enter show interfaces g0/1 switchport at the privileged EXEC prompt on S1. Do the same for g0/2 interface on S1.

What is the operational mode on the GigabitEthernet interfaces on S1? ______________Static access

c. Repeat the commands for g0/1 on S2 and g0/2 on S3.

Correct the trunk links. Record the commands you used to correct the trunking issue.

 

d. Verify the trunk links using the show commands.

Part 2: Troubleshoot VTP

Step 1: Verify VLAN information

Use the show vlan brief command on all the switches. Do all the switches have the same number of VLANs? How many does each switch have?

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No. S1 has 10 VLANs. The other two switches have only 7 VLANs each.

Step 2: Verify VTP configurations.

Use the show vtp status and show vtp password commands on all the switches to verify the VTP status.

Record the VTP status information in the table below.

Device Domain Name Operating Mode VTP Password
S1 No domain name configured Transparent No password configured
S2 ccna Transparent No password configured
S3 CCNA Transparent Cisco

Step 3: Correct the VTP configurations.

Ensure that switch S1 is operating as the VTP server. S2 and S3 should be VTP clients, and receiving VTP updates from S1. The VTP domain should be CCNA and the VTP password should be cisco. The desired VLANs are already configured on switch S1

Record the commands used to correct the VTP configurations.

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Step 4: Verify port assignment.

The switchports connecting to the PCs need to be configured in the correct VLANs so the PCs can communicate with each other.

Use the show vlan brief command on S2 and S3 to determine if VLANs have been assigned to the switchports. Which VLAN is associated with these switchports? ______________________1

Ports Assignments Network
S2 F0/1S3 F0/8 VLAN 10 (Staff) 172.16.10.0/24
S2 F0/9S3 F0/16 VLAN 20 (Student) 172.16.20.0 /24
S2 F0/17S3 F0/24 VLAN 30 (Faculty) 172.16.30.0 /24

Using the table above, correct the VLAN assignments on S2 and S3. Record the VLAN assignment configurations below.

  1. From PC0 ping PC5.
  2. From PC1 ping PC4.
  3. From PC2 ping PC3.

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