Too much APs in the network?

Unanswered Question
Sep 14th, 2011

In one customer other company has put a lot of APs to get coberture in one office enviroment.  Each 10 meter (more or less) they've put an AP.

The AP is the model 1141N.

Do you think may be any problem?

We have to go to certify the installation despite not having made ​​the study of wireless network coverage.


I have this problem too.
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George Stefanick Wed, 09/14/2011 - 08:49

It could be, yes. An active survey would be recommened. A lot of things can play into this like TX power, placement, density ect ...

Are you fimilar with how to do a survey ?

igonzalez@ids-i... Wed, 09/14/2011 - 08:56

I usually do site surveys for wireless networks in stores using 4 or 5 APs. It is always the same and I have some experience in the parameters of the access points for these features.

With so many access points I have never done a site survey

Steve Rodriguez Wed, 09/14/2011 - 09:12

what is this deployment for?  Accurate Locatin Tracking, Voice, or just pure data?

Was a site survey done prior to the AP installation?

George Stefanick Wed, 09/14/2011 - 09:37

Voip... I would be careful. If it was just data and you had RRM I would roll the dice. Perhaps after its installed do a passive survey with AirMagnet and see what it looks like.

igonzalez@ids-i... Wed, 09/14/2011 - 09:25

yes, something like this.  It's possible more than 10m. but they've decide the number of APs and the situation before put the walls

ericgarnel Wed, 09/14/2011 - 12:33

Sounds like a hospital deployment.  What data rates are being provided?  You did clip the lower rates right?

there is always monitor mode

igonzalez@ids-i... Wed, 09/14/2011 - 13:19

You're right.  And you know in this kind of buildings there's interferences and heavy walls.

Monitor mode?  What do you want to say?


igonzalez@ids-i... Wed, 09/14/2011 - 13:42

One thing more:

the APs are LAP-1141N, so are "Single-band Controller-based".

It will be better than stand alone?  Can this controller manage the load?

Leo Laohoo Wed, 09/14/2011 - 15:49

1141 means that you only have 802.11b (2.4 Ghz radio).  With three non-overlapping channels, you could be facing channel interference.  With that kind of density, it's better to use the 1142.

It would be preferable to use a controller so the the transmission power and the channels can be adjusted accordingly by the controller. 

ewood2624 Wed, 09/14/2011 - 17:30

Find out exactly which kind of clients are going to be in the environment. Turn off the lower data rates and still do an active site survey.

Sent from Cisco Technical Support iPad App


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Posted September 14, 2011 at 8:35 AM
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Tags: 1141_ap

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