Packet loss and high pings

[henrikgeorgson]

Hi,

In my office we have a WLC 2504 and three 2702i. They works pretty well but not perfect. The normal user thinks that it works fine but our sys admins are complaining over SSH sessions that drops, Skype is dropping calls and Voip isn't working very well. When I try to ping our firewall over the wireless network I have quite rough response time and about 1% packet loss. 

We have the latest fw.
We have about 100 clients connected to three different wlans.
I've been tweaking data rates after reading other posts here.
I've disabled session timeout.
We are only using WPA2/AES.
I've disabled Client Load Balancing
I've disabled Client Exclusion
We are seeing the same behavior on both Macs and Chromebooks, even when the computers are like one meter from the AP.

We had two 2602i before and had the same issues there.

Any ideas? 

[patoberli]

I would try 7.6.130.0. I also had some (other) issues when I tested 8.0.110.0 and they all vanished when I switched to the 7.6 release.

Also check if you have 802.11r enabled, this is still new and drivers might not yet be up to stability.

I assume you don't have any AVC profiles configured?