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Configure and test Cisco ACS as a radius server on a switch

1. In the switch, do this command (assuming the ACS IP is 10.0.20.55 and shared-secret key is chicagotech ):

radius-server host 10.0.20.55 key chicagotech

2. Ping the ACS

Switch#ping 10.0.20.55

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 10.0.20.55, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/9 ms

3. Test authentication.

Switch#test aaa group radius <username> <password> legacy
Attempting authentication test to server-group radius using radius
User was successfully authenticated.

Switch#test aaa group radius <username> <password> new-code
User successfully authenticated

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