Ccna routing and Switching Complete Study Guide

Inbound  access list is Block_Telnet

  Proxy ARP is enabled

[output cut]

The interface was up and working, so verifying at this point was a little overkill, but you 

must be able to look at an interface and troubleshoot issues, such as ACLs set on an inter-

face. So be sure to remember the 

show ip interface

 command.

Now, let’s mix things up a little by adding IPv6 to our network and work through the 

same troubleshooting steps.

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850

 

Chapter 20 

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  Troubleshooting IP, IPv6, and VLANs

Troubleshooting IPv6 Network Connectivity

I’m going to be straight with you: there isn’t a lot that’s going to be much different between 

this section and the process you just went through with the IPv4 troubleshooting steps. 

Except regarding the addressing of course! So other than that key factor, we’ll take the same 

approach, using Figure 20.4, specifically because I really want to highlight the differences 

associated with IPv6. So the problem scenario I’m going to use will also stay the same: PC1 

cannot communicate to Server1.

f I g u r e   2 0 . 4     IPv6 troubleshooting scenario