Authentication server setup
 
 
- Activate authentication on the router
- 
- RADIUS
- 
aaa new-model
 
 aaa authentication login default group radius enable
 aaa authentication enable default group radius enable
 aaa accounting exec start-stop group radius
 
 ip radius source-interface xxxx
 radius-server host 215.20.110.1 auth-port 1812 acct-port 1813
 radius-server key t2@afnog