Why the ACS block my Console Login?

Answered Question
Oct 14th, 2008

I have aaa to my SWs an ROuters, but wen my Server goes down I cant get access ont the console port.

My config is attached and the debug aaa authorization.


this are the debugs for each acces: Telnet tacacs user, consoler tacacs user and the try whit the local user.


telnet access


Oct 15 01:03:09: AAA: parse name=tty2 idb type=-1 tty=-1

Oct 15 01:03:09: AAA: name=tty2 flags=0x11 type=5 shelf=0 slot=0 adapter=0 port=2 channel=0

Oct 15 01:03:09: AAA/MEMORY: create_user (0x2778E84) user='NULL' ruser='NULL' ds0=0 port='tty2' rem_addr='10.10.10.23' authen_type=ASCII service=LOGIN priv=1 initial_task_id='0', vrf= (id=0)

Oct 15 01:03:10: %CDP-4-NATIVE_VLAN_MISMATCH: Native VLAN mismatch discovered on GigabitEthernet0/37 (102), with tst1-s2 GigabitEthernet0/1 (1).

Oct 15 01:03:11: AAA/MEMORY: free_user (0x28E1BFC) user='ACS-USER' ruser='NULL' port='tty2' rem_addr='10.10.10.23' authen_type=ASCII service=ENABLE priv=15

Oct 15 01:03:13: AAA/MEMORY: free_user (0x2778E84) user='ACS-USER' ruser='NULL' port='tty2' rem_addr='10.10.10.23' authen_type=ASCII service=LOGIN priv=1





COnsole access (Working whit the ACS user)


Oct 15 01:08:57: AAA: parse name=tty0 idb type=-1 tty=-1

Oct 15 01:08:57: AAA: name=tty0 flags=0x11 type=4 shelf=0 slot=0 adapter=0 port=0 channel=0

Oct 15 01:08:57: AAA/MEMORY: create_user (0x28AA8E4) user='NULL' ruser='NULL' ds0=0 port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1 initial_task_id='0', vrf= (id=0)

Oct 15 01:09:11: AAA/MEMORY: free_user (0x27C0DC4) user='ACS-USER' ruser='NULL' port='tty0' rem_addr='async' authen_type=ASCII service=ENABLE priv=15

Oct 15 01:09:18: AAA/MEMORY: free_user (0x28AA8E4) user='ACS-USER' ruser='NULL' port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1







console access (Not working whit the local user)


Oct 15 01:05:24: AAA: parse name=tty0 idb type=-1 tty=-1

Oct 15 01:05:24: AAA: name=tty0 flags=0x11 type=4 shelf=0 slot=0 adapter=0 port=0 channel=0

Oct 15 01:05:24: AAA/MEMORY: create_user (0x27C1310) user='NULL' ruser='NULL' ds0=0 port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1 initial_task_id='0', vrf= (id=0)

Oct 15 01:05:36: AAA/MEMORY: free_user_quiet (0x27C1310) user='LOCAL_USER' ruser='NULL' port='tty0' rem_addr='async' authen_type=1 service=1 priv=1

Oct 15 01:05:36: AAA: parse name=tty0 idb type=-1 tty=-1

Oct 15 01:05:36: AAA: name=tty0 flags=0x11 type=4 shelf=0 slot=0 adapter=0 port=0 channel=0

Oct 15 01:05:36: AAA/MEMORY: create_user (0x28D201C) user='NULL' ruser='NULL' ds0=0 port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1 initial_task_id='0', vrf= (id=0)

Oct 15 01:06:09: AAA/MEMORY: free_user_quiet (0x28D201C) user='NULL' ruser='NULL' port='tty0' rem_addr='async' authen_type=1 service=1 priv=1

Oct 15 01:06:09: AAA: parse name=tty0 idb type=-1 tty=-1

Oct 15 01:06:09: AAA: name=tty0 flags=0x11 type=4 shelf=0 slot=0 adapter=0 port=0 channel=0

Oct 15 01:06:09: AAA/MEMORY: create_user (0x2773004) user='NULL' ruser='NULL' ds0=0 port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1 initial_task_id='0', vrf= (id=0)

Oct 15 01:06:41: AAA/MEMORY: free_user (0x2773004) user='NULL' ruser='NULL' port='tty0' rem_addr='async' authen_type=ASCII service=LOGIN priv=1



Thanks for your help.



Correct Answer by Premdeep Banga about 8 years 4 months ago

Change your commands from,


aaa authentication login default group tacacs+ enable

aaa authentication enable default group tacacs+


To,


aaa authentication login default group tacacs+ local

aaa authentication enable default group tacacs+ enable


Regards,

Prem


Please if it helps!

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Correct Answer
Premdeep Banga Wed, 10/15/2008 - 03:36

Change your commands from,


aaa authentication login default group tacacs+ enable

aaa authentication enable default group tacacs+


To,


aaa authentication login default group tacacs+ local

aaa authentication enable default group tacacs+ enable


Regards,

Prem


Please if it helps!

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