[c-nsp] IAPP vs WDS (Wireless Roaming)

[Jim McBurnett]

Actually, 802.1x works with WDS as the WDS active AP or switch will
cache the lookup and save the time need to go back to the Radius
server...
This is actually Cisco's BCP for fast secure roaming.
Look here for a WDS and 802.1x example:
http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_
guide09186a00802114d8.html
And here:
http://www.cisco.com/en/US/products/hw/wireless/ps4570/products_configur
ation_guide_chapter09186a0080341d2d.html


Share the same channel? No, I have multiple locations running WDS with
the standard channel spread 1,6,and 11.
The new WLSE Express is a great little box to manage all this also....

Later,
Jim 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Niels Bakker
Sent: Wednesday, November 09, 2005 4:45 AM
To: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] IAPP vs WDS (Wireless Roaming)

* lawrencewong72 at yahoo.com (Lawrence Wong) [Wed 09 Nov 2005, 07:36 CET]:
>I noticed that some wireless vendors support IAPP for wireless roaming 
>between access points while Cisco APs come by default with IAPP enabled

>and on top of that it also supports WDS.
>
>Is there any specific advantage of using WDS instead/ontop of IAPP?

If you use WDS you don't need to otherwise connect your access points to
a fixed network.


>In particular, any advantage/significance if clients are using
non-Cisco 
>wireless cards and authenticating using 802.1x/AES/PEAP via RADIUS?

I don't think WDS works together with 802.1X.

Another disadvantage of WDS is that all access points in a cloud will 
share the same channel, and frames will be "on the air" twice, thus 
limiting capacity and throughput.


	-- Niels.

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