[CCNAv6 S3] 2.2.3.3 Packet Tracer - Troubleshoot VTP and DTP



Packet Tracer – Troubleshoot VTP and DTP
Addressing Table


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?

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?

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
S1 will be configured as the VTP server. S2 and S3 will be configured as VTP clients, and will be receiving VTP updates from S1. The VTP domain should be CCNA and the VTP password should be cisco. Currently all the desired VLANs are already configured on S1.

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?

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.



Step 3: Correct the VTP configurations.

Record the commands used to correct the VTP configurations.

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?

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

Step 5: Verify end to end connectivity.

a.     From PC0 ping PC5.

b.     From PC1 ping PC4.

c.     From PC2 ping PC3.



Configuration S1: 

enable
configure terminal
interface range g0/1-2
 switchport mode trunk
 exit
vtp mode server
vtp password cisco
vtp domain CCNA
 end
write memory
!

Configuration S2: 

enable
configure terminal
interface g0/1
 switchport mode trunk
 exit
vtp mode client
vtp password cisco
vtp domain CCNA
interface f0/1
 switchport mode access
 switchport access vlan 10
interface f0/9
 switchport mode access
 switchport access vlan 20
interface f0/17
 switchport mode access
 switchport access vlan 30
 end
write memory
!

Configuration S3: 

enable
configure terminal
interface g0/2
 switchport mode trunk
 exit
vtp mode client
vtp password cisco
vtp domain CCNA
interface f0/8
 switchport mode access
 switchport access vlan 10
interface f0/16
 switchport mode access
 switchport access vlan 20
interface f0/24
 switchport mode access
 switchport access vlan 30
 end
write memory
!

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