OmniPeek Support

802.11n NIC for Omnipeek 5.0

sthitiranjan
Posts: 4
Joined: Thu Jul 24, 2008 3:03 am

802.11n NIC for Omnipeek 5.0

Postby sthitiranjan » Thu Jul 24, 2008 3:22 am

Do we need a 802.11n NIC is required for sniffing traffic?
I already have an Orinoco Gold 8480WD card working for Omnipeek Professional ver 5.0 (capable of capturing 802.11n traffic).
Using this cards I can sniff beacons and other management frame exchanges happening between 802.11n AP and 11n STA.

My question is how can a 802.11n mini-pci wireless adapter be more beneficial to me?

DJWP
Posts: 687
Joined: Tue Oct 30, 2007 11:42 am

Postby DJWP » Thu Jul 24, 2008 8:00 am

Hello-

The 802.11n spec has not been ratified yet. Having an 802.11n adapter will not have any effect unless you are in an environment where there is 802.11n wireless traffic, which sounds unlikely in your case. Having an 802.11n adapter will give you no advantages in an a/b/g environment.

sthitiranjan
Posts: 4
Joined: Thu Jul 24, 2008 3:03 am

802.11n NIC for Omnipeek 5.0

Postby sthitiranjan » Fri Jul 25, 2008 12:54 am

Thank you very much for your response.
I agree that having an 802.11n adapter will give me no advantage in a/b/g environment. Consider if I have an environment where there is 802.11n wireless traffic what advantage I will be having?

But my question is still unanswered.
What is the advantage of having an 802.11n adapter for sniffing 11n wireless traffic than having an 802.11 a/b/g adapter for sniffing the same kind of 11n wireless traffic?
or
Why do we need a 802.11n adapter for sniffing 802.11n wireless traffic? Can't the traditional 802.11a/b/g adapter still hold good for sniffing 802.11n traffic?

DJWP
Posts: 687
Joined: Tue Oct 30, 2007 11:42 am

Postby DJWP » Fri Jul 25, 2008 8:08 am

You have stated the point. You cannot capture 802.11n traffic with an 802.11 a/b/g adapter.

sthitiranjan
Posts: 4
Joined: Thu Jul 24, 2008 3:03 am

Postby sthitiranjan » Sat Jul 26, 2008 5:22 am

But I can sniff beacons and probe requests from 802.11n AP and 802.11n STA respectively.
The beacons and probe request frames do have the 11n specific info. I could see it while sniffing using my a/b/g adapter.

Sorry, my question is still unanswered.
Why do we need a 802.11n adapter for sniffing 802.11n wireless traffic?
Can you please explain?

DJWP
Posts: 687
Joined: Tue Oct 30, 2007 11:42 am

Postby DJWP » Mon Jul 28, 2008 9:52 am

If you want to capture and analyze 802.11n data with OmniPeek, you will need to use a supported 802.11n adapter.


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