RE: aaa authentication without line password

From: Scott Morris (swm@emanon.com)
Date: Wed May 18 2005 - 09:38:16 GMT-3


In order for the AAA process to move from one method to another (local to
enable), you have to have a FAILURE of the first method.

IMHO, there is no way to have a FAILURE of local authentication. You will
get a Yes or No response all the time, regardless of whether you have the
usernames configured! With TACACS and RADIUS, you can get no response
(server down?) that will generate a FAILURE of the method.

So my guess would be that you first method listed (local) will always give a
yes or no response no matter what you enter, therefore it would never go to
the other methods.

HTH,

Scott

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of TiuN
Hong Leng
Sent: Wednesday, May 18, 2005 6:05 AM
To: ccielab@groupstudy.com
Subject: aaa authentication without line password

Hi,

Here is my configuration:

aaa new-model
aaa authentication login default local line enable none
aaa authorization exec default local if-authenticated
line vty 0 4
 transport input telnet
 transport output telnet
!

I found that I can not be authenticated by using enable password if there is
no username in local database and no line password.

Why???
My IOS version is 12.2(15)T14



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