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Posted by Dophi on October 24, 2007, 6:29 am
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On Oct 20, 6:43 pm, talo...@hotmail.com wrote:
> Hi Everyone,
>
> I have been task with implementing a Nortel VOIP solution in a 802.1x
> Cisco environment.
>
> The equipment I have is as follows:
> Nortel 1140E IP Phone connected to Cisco C3750-PoE edge switches
> running 12.2.37SE1 as the IOS.
> RADIUS Server authenticating worstations on PC certificate and via
> user's network credentials. Also we are using Dynamic VLANS.
>
> I have managed to get the Nortel IP phone to work fine without the
> 802.1x, but I haven't been so lucky with 802.1x.
>
> Cisco has provided me with a switchport config and RADIUS VSA
> attributes which I have implemented but I still cannot get the phone
> to authenticate. It says "Starting DHCP" and sits at that prompt
> forever. While the phone boots up the PC authenticates briefly but
> then I get "limited connectivity/authentication fail" on the PC as
> well.
>
> I have created an account on the RADIUS server and set it to the Voice
> VLAN. Configured the phone with EAP enabeled option and entered that
> login into the phone. I have even specified the Data & Voice VLAN on
> the phone's config (which are the same as on the switchport).
>
> Now after all that dribble....Has any one implemented something like
> this before, if yes, what config did you use? I can supply my config
> from Cisco on request.
>
> Secondly, how can I troubleshoot the connectivity on the Nortel 1140E
> IP Phone? I want to to be able to trace every event (EAPOL,
> authentication attempts, DHCP requests, etc.)
>
> Many thanks in advance!!!!
For troubleshooting, you can use port-mirror on Cisco switch or check
the event logs on RADIUS server.
Regards
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