Clients does not connect to appropriate AP and connection is low

[MAHI_VYAS]

Hello All,

Iam facing a strange issue from last 1 month.

I have Wireless network running with WLC2504 and AP AIR-1832I

Scenario is I have AP in 1st floor corridor and another AP in ground floor area.
We have one conference room near first floor corridor and where some users complain there are getting slow network while connected to wifi.
I observed people sitting in conference room are getting connected to ground-floor AP so there are getting poor signal strength.
If person comes near to first-floor AP then the singal is good, distance between corridor AP and conference room is not much( very near), what i can do so user's from first-floor always connect to near by AP instead of far AP.

[Mark Elsen]

  - @MAHI_VYAS   - Clients decide autonomous where to connect to (which AP) and roam.
                                Sometimes they can decide upon load-info from an AP depending  on configurations
                                on both controller and client side

                                Usual advices are : make  sure that the client's wireless drivers are up to date.
                                Make sure a wireless site survey was done for optimal coverage.
                                Upgrade this controller to the last release made available  as we have discussed
                                with you before
                                Consider installing an extra access point in the conference area, when there is a 
                                conference with lots of people

  M.

[Scott Fella]

So let me ask you a few questions @MAHI_VYAS 

• You only have two AP's one on each floor
• Was there any change you performed that caused this issue was did you just notice it a month or so ago
• How many clients are connected on a typical day per ap
• You are able to replicate the issue
• These devices managed or guest
• How many SSID's and does it matter which SSID
• What code are you running on the WLC, is it the latest for the 2504
• Provide the following info:
  show advanced 802.11b summary
  show advanced 802.11a summary

[Leo Laohoo]

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@MAHI_VYAS wrote:

Scenario is I have AP in 1st floor corridor and another AP in ground floor area.
We have one conference room near first floor corridor and where some users complain there are getting slow network while connected to wifi.
I observed people sitting in conference room are getting connected to ground-floor AP so there are getting poor signal strength.

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Conference room AP located on the 1st floor but conference room attendees connected to the ground floor APs?  

We've seen this before many, many times.  The wireless clients are laptops, right?  Laptops with never-been-updated wireless NIC drivers?