Ccna routing and Switching Complete Study Guide

Remember the Cisco steps in troubleshooting an IPv4 and IPv6 network.

1.

  Check the cables to find out if there’s a faulty cable or interface in the mix and 

verify the interface’s statistics.

2.

  Make sure that devices are determining the correct path from the source to the 

destination. Manipulate the routing information if needed.

3.

  Verify that the default gateway is correct.

4.

  Verify that name resolution settings are correct.

5.

  Verify that there are no ACLs blocking traffic.

Remember the commands to verify and troubleshoot IPv4 and IPv6.    You need to 

remember and practice the commands used in this chapter, especially 

ping

 and

 traceroute

 

(

tracert

 on Windows). But we also used the Windows commands 

ipconfig

 and 

route 

print

 and Cisco’s commands 

show ip int brief

, 

show interface

, and 

show route

.