Lab Objective:

The objective of this lab exercise is for you to learn and understand how to create and troubleshoot IPv6 addresses on Cisco routers.

Lab Purpose:

Configuring IPv6 addressing is one of your most fundamental tasks as a Cisco engineer. In the exam, you may also be asked to troubleshoot IPv6 addressing that has been incorrectly configured, so you need to know which show commands to use.

Certification Level:

This lab is suitable for CCENT certification exam preparation.

Lab Difficulty:

This lab has a difficulty rating of 2/10.

Readiness Assessment:

When you are ready for your certification exam, you should complete this lab in no more than 10 minutes.

Lab Topology:

Please use the following topology to complete this lab exercise:

Lab 2: Configure, Verify, and Troubleshoot IPv6 Addresses 2

Task 1:

Configure the hostnames on routers R1 and R3 as illustrated in the topology.

Task 2:

Configure R1 S0/0, which is a DCE, to provide a clock rate of 768 Kbps to R3 (unless you are using GNS3). Configure the IP addresses on the Serial interfaces of R1 and R3 as illustrated in the topology. Configure the Loopback interfaces specified in the diagram on R1 and R3.

Task 3:

Use the correct show commands to check:

  1. The summary of all configured IPv6 addresses (note the need to specify IPv6 in the show commands);
  2. The status of the interface (up/down or administratively down); and
  3. The subnet mask applied to the interface.

Configuration and Verification

Task 1:

Router#config t 
Enter configuration commands, one per line.  End with CTRL/Z. 
Router(config)#hostname R1 

Router#config t 
Enter configuration commands, one per line.  End with CTRL/Z. 
Router(config)#hostname R3 

Task 2:

R1(config)#ipv6 unicast-routing 
R1(config)#interface s0/0 
R1(config-if)#ipv6 add 2001:abcd:abcd::1/64 
R1(config-if)#no shut 

R3(config)#ipv6 unicast-routing 
R3(config)#interface s0/0 
R3(config-if)#ipv6 add 2001:abcd:abcd::2/64 
R3(config-if)#no shut 
R3(config)#interface lo0 
R3(config-if)#ipv6 add 2001::5/64

Task 3:

R3#show ipv6 int brief 
Serial0/0                  [up/up] 
FastEthernet0/1            [administratively down/down] 
Loopback0                  [up/up] 
R3#show ipv6 interface s0/0 
Serial0/0 is up, line protocol is up 
 IPv6 is enabled, link-local address is FE80::C006:8FF:FE88:0 
 No Virtual link-local address(es): 
Global unicast address(es): 
 2001:ABCD:ABCD::2, subnet is 2001:ABCD:ABCD::/64 
Joined group address(es): 
MTU is 1500 bytes 

[Output Truncated]

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