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WLC intermittent connection of Users

paulrainier12
Level 1
Level 1

Hi All,

need some help/advice .

my client is currently having intermittent connection to their access point. like having 1 RTO for every 20 echo request.

the current setup is all in automatic. and threshold are set to -80.

any advice on how to improve their connection to wireless. having 40 users per AP

with WLC 5500 

thanks in advance

6 Replies 6

Scott Fella
Hall of Fame
Hall of Fame

Tough to say.... look at the client drivers, make sure your firmware on the controller is not deferred and check for channel utilization.  Maybe disable the session timeout on the wlan also for starters. See how that helps.

-Scott 

*** Please rate helpful posts *** 

-Scott
*** Please rate helpful posts ***

okay will do check it. and please see attached file regarding the threshold that I

mentioned earlier.

1. Only one clinet has problem or amyn others ?

Also paste the output of the command:

sh wlan <id>

Reagrds

Dont forget to rate helpful posts

well during peak hours. not all but almost every client experience RTO.

one RTO is critical for the existing system. very sensitive data

btw thank you all for your response.

Ok, then we need more information. Also, the drivers are most often the reason for problems. But if you have different clients (not all the same type/model) it might also be a controller configuration issue.

You might want to disable several of the low speed Data Rates, they eat up a LOT of airtime.

See here for optimization:

http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1250-series/design_guide_c07-693245.pdf

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