ABH-C3560-CE-FOSW01#debug aaa authentication 
AAA Authentication debugging is on
ABH-C3560-CE-FOSW01#
*Mar  1 00:27:40.382: AAA/BIND(00000014): Bind i/f  
*Mar  1 00:27:40.382: AAA/AUTHEN/LOGIN (00000014): Pick method list 'list-1' 
*Mar  1 00:28:19.456: AAA: parse name=tty1 idb type=-1 tty=-1
*Mar  1 00:28:19.456: AAA: name=tty1 flags=0x11 type=5 shelf=0 slot=0 adapter=0 port=1 channel=0
*Mar  1 00:28:19.456: AAA/MEMORY: create_user (0x62A66A4) user='amadulin' ruser='NULL' ds0=0 port='tty1' rem_addr='10.141.99.254' authen_type=ASCII service=ENABLE priv=15 initial_task_id='0', vrf= (id=0)
*Mar  1 00:28:19.456: AAA/AUTHEN/START (1313414205): port='tty1' list='list-1' action=LOGIN service=ENABLE
*Mar  1 00:28:19.456: AAA/AUTHEN/START (1313414205): using "default" list
*Mar  1 00:28:19.456: AAA/AUTHEN/START (1313414205): Method=tacacs+ (tacacs+)
*Mar  1 00:28:19.456: TAC+: send AUTHEN/START packet ver=192 id=1313414205
*Mar  1 00:28:19.666: TAC+: ver=192 id=1313414205 received AUTHEN status = GETPASS
*Mar  1 00:28:19.666: AAA/AUTHEN (1313414205): status = GETPASS
*Mar  1 00:28:28.188: AAA/AUTHEN/CONT (1313414205): continue_login (user='amadulin')
*Mar  1 00:28:28.188: AAA/AUTHEN (1313414205): status = GETPASS
*Mar  1 00:28:28.188: AAA/AUTHEN (1313414205): Method=tacacs+ (tacacs+)
*Mar  1 00:28:28.188: TAC+: send AUTHEN/CONT packet id=1313414205
*Mar  1 00:28:28.390: TAC+: ver=192 id=1313414205 received AUTHEN status = FAIL
*Mar  1 00:28:28.390: AAA/AUTHEN (1313414205): status = FAIL
*Mar  1 00:28:28.390: AAA/MEMORY: free_user (0x62A66A4) user='amadulin' ruser='NULL' port='tty1' rem_addr='10.141.99.254' authen_type=ASCII service=ENABLE priv=15 vrf= (id=0)