HI everyone
I am having an issue with a switch running IOS 12.2 to authenticate using tacacs .I am getting below error when I am debugging .I have checked the keys multiple times .Also I have tried to remove encryption on the switch ,unfortunately I am getting the same error message.When I am using ACS 5.4 my configuration is working fine ,If try to authenticate using ACS 4.2 below is the error message
Mar 1 00:37:32.077: TPLUS: Queuing AAA Authentication request 8 for processing
*Mar 1 00:37:32.077: TPLUS: processing authentication start request id 8
*Mar 1 00:37:32.085: TPLUS: Authentication start packet created for 8()
*Mar 1 00:37:32.085: TPLUS: Using server 10.254.20.200
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT/5026D04: Started 5 sec timeout
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT: socket event 2
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT: wrote entire 38 bytes request
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: Would block while reading
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: read entire 12 header bytes (expect 6 bytes data)
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: read entire 18 bytes response
*Mar 1 00:37:32.094: TAC+: decrypt: pak is unencrypted but we have a key
*Mar 1 00:37:32.094: TPLUS(00000008): Decryption failed for AAA request
*Mar 1 00:37:32.102: TPLUS(00000008)/1/5026D04: Processing the reply packet
*Mar 1 00:37:32.102: TPLUS: Received Authen status error
*Mar 1 00:37:32.102: TPLUS(00000008)/1/REQ_WAIT/5026D04: timed out
MSSSUN3053#
*Mar 1 00:37:32.102: TPLUS(00000008)/1/5026D04: Processing the reply packet
Mar 1 00:37:32.077: TPLUS: Queuing AAA Authentication request 8 for processing
*Mar 1 00:37:32.077: TPLUS: processing authentication start request id 8
*Mar 1 00:37:32.085: TPLUS: Authentication start packet created for 8()
*Mar 1 00:37:32.085: TPLUS: Using server 10.254.20.200
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT/5026D04: Started 5 sec timeout
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT: socket event 2
*Mar 1 00:37:32.085: TPLUS(00000008)/1/NB_WAIT: wrote entire 38 bytes request
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: Would block while reading
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: read entire 12 header bytes (expect 6 bytes data)
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: socket event 1
*Mar 1 00:37:32.094: TPLUS(00000008)/1/READ: read entire 18 bytes response
*Mar 1 00:37:32.094: TAC+: decrypt: pak is unencrypted but we have a key
*Mar 1 00:37:32.094: TPLUS(00000008): Decryption failed for AAA request
*Mar 1 00:37:32.102: TPLUS(00000008)/1/5026D04: Processing the reply packet
*Mar 1 00:37:32.102: TPLUS: Received Authen status error
*Mar 1 00:37:32.102: TPLUS(00000008)/1/REQ_WAIT/5026D04: timed out
MSSSUN3053#
*Mar 1 00:37:32.102: TPLUS(00000008)/1/5026D04: Processing the reply packet
