Bonding or link aggregating wireless access points

Posted on 2009-05-14
Last Modified: 2013-11-09
I am trying to figure out a way that I may be able to increase bandwidth on a point to point wireless connection. I have 2 point to point wireless access points at each location. Currently one is just there for backup. Is there a way I can bond or link aggregate the 2 connections at each end to increase the bandwidth and make use of both access points?
Question by:Hogwilde1
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Expert Comment

ID: 24388795
As far as I know:
The direct  answer, NO
But there are some enhancements that depends on the manufacture of your access points,
for example Wireless Domain of Cisco Aironet access points, where the authentication can be cached in the access points, frequencies can be neqotiated so no interferrence happens, and Hand-offs can be possible (no disconnect if a computer moves from one AP zone to another APs zone.
if you tell your AP manufacture and model, i might come up with some ideas, but to use bandwidth of both, NO

Author Comment

ID: 24388988
2 of them are Cisco Aironet 1300's and 2 are Motorola Canopy devices and they are only used for bridging access from our corporate office to the warehouse.


Accepted Solution

khamees79 earned 500 total points
ID: 24389241
I have the same Aironet model, and as you are using them to connect both locations (bridge mode), then nothing much can be done.
linking both locations with 2 lines (cisco <---------------->cisco
at the same time will not help, it will be only for backup purpose, as Spanning Tree will block one of the links (guessing that you have a smart switch, as you could afford aironet) , the block will be to avoide loops, but if one link is down, the other will b allowed.
I really can not see that there is much to, unless if you use the N draft, which you need to buy new access points for this, this all depends on the amount of traffic needed.
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Author Comment

ID: 24397756
Would you know of or recommend a device that I could possible connect the 2 devices two (one device at each location) that might accomplish this? Seems like a waste to purchase N access points if I could use the bandwidth of both at the same time. I may have to do that in the end because of applications we are looking to roll out in the future.


Expert Comment

ID: 24406442
Well, thanks for the points first of all.
there is something might work, I use it in my network, and you might test it in non working time.
Depending on your switch type (I hope cisco or HP), you might use link aggregation.
you connect two APs on each end, and you ask the switch to treate them as one link, so you get your bandwidth doubled.
I use i to connect switches with each other, so I can get doubled bandwidth (you can aggregate many links, 2 or 4 or 8 ports at the same time, but here we need only 2)
let me know your switch types, so i can find some configuration for you.
i'm sure that the switch is going to use both links at the same time, but we need smart switches at both ends.


Author Comment

ID: 24408568
I have an HP Procurve 2650 on one end and a NetVanta I think it is at the other end. Both are smart switches and will do link aggregation. I had thought of that and thought that I might test it. I was told that I would not be able to manage the wireless devices in this configuration though because of the link aggregation. I was figuring if I had an issue with the wireless link I could just de-aggregate the ports to get into the management interface and then re-aggregate them after.

Expert Comment

ID: 24410268
The AP will have an IP address, so managing it will not be a problem, even with aggregated link

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