Joe

At Illinois we don't have 10K APs - we have around 2650 Meru APs installed in over 200 buildings as of today and I find that single channel works well.

I think it does work with multi-channel neighbors - We provide wireless in buildings with University groups or commercial tenants that provide their own wireless, we work with the units to come up with a channel plan in the locations where the two systems overlap, they use 2 channels (usually 6 & 11) and we get 1.

We also have several locations on campus where RF research in the 2.4 and 5GHz space is performed. We have been able to work with the research groups by moving all our APs to a single 2.4 and two 5 GHz channels. Giving them the majority of the spectrum for research.

Besides explicitly working with researchers and departments that run their own wireless we have pro-actively given up using channel 6 in most locations since so many consumer wireless devices use 6 by default.

In general we use a single channel for the majority of a building and channel stack for extra bandwidth in high density locations.

-Jim

--
James Eyrich
Team Lead Network Design
Wireless Service Manager
CITES - Networking - Network Design and Support - Network Design Group
University of Illinois

[email protected]
217-265-6867






Joe Lim wrote:
Hi all,

What are the disadvantage and advantages of one versus the other?
Has anyone deployed single channel in a large scale environment, say ~10K APs?
Are single channel architecture likely going to be "good neighbours" to other 
multi-channel architecture nearby?

Thanks in advance.


-----

Joe Lim
University of Toronto Mississauga
Chief Information Officer
Email:  [email protected]
Tel: 905-569-4455

"Try not. Do or do not, there is no try...." - Yoda


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