Foundation Summary

The "Foundation Summary" section of each chapter lists the most important facts from the chapter. Although this section does not list every fact from the chapter that will be on your SNRS exam, a well-prepared candidate should at a minimum know all the details in each "Foundation Summary" before going to take the exam.

To configure security on a Cisco router or access server using AAA, follow these steps:

Step

1.

Activate AAA services by using the aaa new-model command.

Step

2.

Select the type of security protocols, such as RADIUS, TACACS+, or Kerberos.

Step

3.

Define the method list's authentication by using an aaa authentication command

Step

4.

Apply the method lists to a particular interface or line, if required.

Step

5.

(Optional) Configure authorization using the aaa authorization command.

Step

6.

(Optional) Configure accounting using the aaa accounting command.

• show aaa server Displays RADIUS servers used for AAA authentication

• show aaa user Displays AAA authenticated users statistics

• debug aaa authentication Displays debugging messages on authentication functions

• debug aaa authorization Displays debugging messages on authorization functions

• debug aaa accounting Displays debugging messages on accounting functions

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