Troubleshooting NAT

In this section, you will get acquainted with some of the possible scenarios ofproblemsthat may occur in NAT.

The show ip NAT commands

From the beginning of this chapter, it has been obvious that the contribution of the show command in identifying network problems in general and the connectivity issues in particular cannot be overstated. The same applies to identifying connectivity issues in an NAT scenario. So, in one way or another, it is about applying best practices in identifying and solving problems in computer networks. Therefore, the fact that the troubleshooting process begins with the verification of connectivity issues between the two devices speaks of such a standard. Then, always according to good practices, the following steps represent the activities that need to be carried out to solve the connectivity problems in NAT:

• Clearly define what NAT is supposed to achieve in your organization's infrastructure
• Use the show ip nat command, verifying that the correct...