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тАО03-23-2011 07:39 AM
тАО03-23-2011 07:39 AM
MSM 765 is not automatically selecting channels that work
We have a dorm with 4 floors. Each floor has 6 access points about 50 feet from each other. The access points are approximately under each other on each floor.
We're using 422 n access points with 2 radios. the N radio is set for A/n radio 2 is b/g.
We've configured the controller to allow radio 2 to choose any channel and to dynamically change power.
The channel reconfiguration is set for 1 hour increments on radio 2.
this issue only concerns radio 2 and b/g
in the course of 24 hours all radios change channels. It doesn't seem that the controller is establishing a base line. The controller is not leaving some access points at their current channel and then changing channels on other access points, which I would expect if it was trying to implement a non-overlapping configuration. Instead all channels are changing on all access points every one or two hours.
There is some background noise provided by microwave ovens, but our statistics are gathered during the day when most students are on campus and the use of microwave ovens should be minimal.
I am attaching a spreadsheet with a sampling of channels used throughout the day.
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тАО10-05-2011 12:14 AM
тАО10-05-2011 12:14 AM
Re: MSM 765 is not automatically selecting channels that work
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тАО10-08-2011 03:02 AM
тАО10-08-2011 03:02 AM
Re: MSM 765 is not automatically selecting channels that work
Upgraded to 5.5.2.14.fg2-MSM765-B10329. Problem still exist. Going to update to 5.5.3. Will post the updates..
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тАО10-13-2011 07:41 PM
тАО10-13-2011 07:41 PM
Re: MSM 765 is not automatically selecting channels that work
I have same problem on 5.5.2.14. I've heard there may be relief in 5.5.3 - but I haven't tried it yet.
For now, the only stable way to select channels is manually - which is what I would suggest until they fix this.
Don't use auto-selection if you want correct non-overlapping coverage.
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тАО10-17-2011 10:41 AM
тАО10-17-2011 10:41 AM
Re: MSM 765 is not automatically selecting channels that work
Did you try 5.5.3 yet? There seems to be a few fixes regarding channel selection in the release notes.
CCIE Service Provider
MASE Network Infrastructure [2011]
H3CSE
CCNP R&S
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тАО10-17-2011 06:13 PM
тАО10-17-2011 06:13 PM
Re: MSM 765 is not automatically selecting channels that work
> Did you try 5.5.3 yet?
Me, not yet.
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тАО10-18-2011 11:44 PM
тАО10-18-2011 11:44 PM
Re: MSM 765 is not automatically selecting channels that work
Sorry for keeping you guys waiting. Yes I have upgraded to 5.5.3 but no luck. Exclude all the channels except 1,6,11. Set the distance between AP's to medium. Also used 20Mhz instead of 20,40. Seems working so far. But this is serious problem. No explanation from HP yet.
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тАО10-26-2011 05:02 PM
тАО10-26-2011 05:02 PM
Re: MSM 765 is not automatically selecting channels that work
I'm running 5.5.3 now, and channel selection seems to be working now. Not as perfect as doing it manually, but getting close.
This is with a mixture of 422 and 460 APs, with varied density layout. I've set the distance to small.
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тАО10-26-2011 09:20 PM
тАО10-26-2011 09:20 PM
Re: MSM 765 is not automatically selecting channels that work
Anyone know how to...
Run a System Tools script to just list the current controlled APs and their channel assignments.
Using the GUI is so slow to retrieve this information per AP. Something that should be a 5 second job takes forever.
Btw, The functionality of PSM+ in this regard is not great either.
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тАО11-02-2011 11:30 PM
тАО11-02-2011 11:30 PM
Re: MSM 765 is not automatically selecting channels that work
Stephen, Have you tried to go to "Controlled AP" then go to "Neighborhood" and export that list ?
Not sure if that what you are looking for.
Kind Regards,
Islam