RADIUS/TACACS+ not responding even on the same vlan

Unanswered Question
Mar 21st, 2008
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Hi,


Have anyone encountered this problem before? My radius is at 192.168.1.10 and R1 is on 192.168.1.1. Both are connected to a switch and ping works perfect. ACS has been configured with R1 as the AAA client with a key. I'm baffled as to why this does not work. I've even changed the authentication to TACACS+ and still the same problem occurs.






R1#test aaa group radius cisco cisco legacy

Attempting authentication test to server-group radius using radius

No authoritative response from any server.


R1#ping 192.168.1.10


Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 192.168.1.10, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms

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steven.pw.lau Fri, 03/21/2008 - 02:32
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debug radius authentication shows


*Mar 21 09:31:26.919: RADIUS: User-Name [1] 7 "cisco"

*Mar 21 09:31:26.919: RADIUS: User-Password [2] 18 *

*Mar 21 09:31:31.687: RADIUS: Retransmit to (192.168.1.10:1645,1646) for id 1645/

4

*Mar 21 09:31:36.327: RADIUS: Retransmit to (192.168.1.10:1645,1646) for id 1645/

4

*Mar 21 09:31:41.095: RADIUS: Retransmit to (192.168.1.10:1645,1646) for id 1645/

4No authoritative response from any server.


Rack01R1#

*Mar 21 09:31:45.799: %RADIUS-4-RADIUS_DEAD: RADIUS server 192.168.1.10:1645,1646

is not responding.

*Mar 21 09:31:45.799: RADIUS: Tried all servers.

*Mar 21 09:31:45.799: RADIUS: No valid server found. Trying any viable server

*Mar 21 09:31:45.799: RADIUS: Tried all servers.

*Mar 21 09:31:45.799: RADIUS: No response from (192.168.1.10:1645,1646) for id 16

45/4

*Mar 21 09:31:45.799: RADIUS: No response from server

Rack01R1#

*Mar 21 09:31:45.803: %RADIUS-4-RADIUS_ALIVE: RADIUS server 192.168.1.10:1645,164

6 is being marked alive.


Tried changing the ports to 1812,1813 still the same. No Windows FW turned on in the ACS Server..

steven.pw.lau Fri, 03/21/2008 - 08:43
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Latest update. Managed to solve the problem..


Resolution: Re-install Cisco ACS


But would definately welcome a better suggestion than the above for anyone who has experienced this problem before. Could it be Java related problem?

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