Which action resolves this issue?

Refer to the exhibit.

AAA server 10.1.1.1 is configured with the default authentication and accounting settings, but the switch cannot communicate with the server.

Which action resolves this issue?
A . Match the authentication port
B . Match the accounting port
C . Correct the timeout value.
D . Correct the shared secret.

View Answer

Answer: A

Explanation:

Command Default

Accounting port: 1813

Authentication port: 1812

Accounting: enabled

Authentication: enabled

Retransmission count: 1

Idle-time: 0

Server monitoring: disabled

Timeout: 5 seconds

Test username: test

Test password: test

Reference: https://www.cisco.com/c/m/en_us/techdoc/dc/reference/cli/n5k/commands/radius-server-host.html

By default, RADIUS uses UDP port 1812 for authentication and port 1813 for accounting. In the exhibit above we see port 1814 is being used for authentication to AAA server at 10.1.1.1 which is not the default port so we must adjust the authentication port to the default value 1812.