4.2 ACS authentication and exec flank on router Test mode.

The goal is to have GBA authenticate my username via ssh and let me go once authenticated privileged exec mode. Details below.

I have ACS Solution engine 4.2 and I have a router to test with the following commands:

AAA new-model

AAA authentication login default group Ganymede + local

AAA - the id of the joint session

RADIUS-server host 10.4.4.21 single-connection

RADIUS-server key $# $& $* #.

The problem is the following. I can't SSH and login to the router using a user in the database of the CSA but the router does not allow me to use the enable command in exec mode. The error it gives me is:

AAA_ROUTER_CLIENT > activate

% Authentication failure.

AAA_ROUTER_CLIENT >

I must be missing something in the ACS. Any help would be appreciated.

You are missing this command

AAA authorization exec default group Ganymede + authenticated if

That's what you need on router

Router (config) # username [username] password]

GANYMEDE-host [ip]

radius-server [key] key

AAA new-model

AAA authentication login default group Ganymede + local

AAA authorization exec default group Ganymede + authenticated if

The GBA

Bring to users/groups at level 15

1. go to the user or to set up groups of ACS

2 down until "settings GANYMEDE +".

3. check "Shell (Exec).

4 check 'Privilege level' and enter '15' in the adjacent field

Kind regards

~ JG

Note the useful messages

Tags: Cisco Security

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