topic Re: Capturing and logging dot1x traffic in Automation/API Discussions

Capturing and logging dot1x traffic

bmaslakovic — Wed, 21 Dec 2011 15:46:35 GMT

Hi everyone,

I am looking to capture some dot1x traffic. The goal would be to simply log the dot1x under a custom application.

The problem is i dont see a context that I can use for the dot1x traffic (screenshot) under the application signature to be able to do this.

Is it possible to do some pattern matching that would accomplish the same goal?

Thanks.

Re: Capturing and logging dot1x traffic

SRA — Wed, 21 Dec 2011 17:19:14 GMT

Custom application signatures are for tcp/udp traffic. You cannot use them for non-IP layer 3 traffic.

Re: Capturing and logging dot1x traffic

bmaslakovic — Wed, 21 Dec 2011 17:23:58 GMT

Thank you for the clear answer - that makes perfect sense.

Is there a way to capture dot1x traffic in pattern matching then?

Re: Capturing and logging dot1x traffic

SRA — Fri, 23 Dec 2011 02:34:34 GMT

Have you tried adding a pcap filter with non-IP option set to 'include'?

Re: Capturing and logging dot1x traffic

bmaslakovic — Fri, 23 Dec 2011 17:01:30 GMT

I see the option - but I want the dot1x traffic to be logged on the PA traffic log as perhaps another custom app. I was looking further into it and perhaps the REST API is the answer...?

Is it possible to insert a log entry with REST?

Re: Capturing and logging dot1x traffic

bmaslakovic — Fri, 23 Dec 2011 20:49:53 GMT

I tried this and yes this does capture the radius traffic going from the WLC <-> Radius. by the way.....

Re: Capturing and logging dot1x traffic

bmaslakovic — Fri, 23 Dec 2011 21:36:11 GMT

Ok i have been trying to get the data pattern working. Attached is a screenshot of a EAPOL packet.

How would my regex look if i wanted to capture any packet with this source address? (assume the source is 7 bytes).

Re: Capturing and logging dot1x traffic

bmaslakovic — Sun, 15 Jan 2012 20:44:23 GMT

any answer to last three posts?