Hi all,
We have several buildings with between 10-40 Aruba IAP-105 access points, functioning in virtual-controller mode to provide wireless access. Recently, due to some malware incidents overloading an access point, I have been experimenting with per-user bandwidth controls to limit how much traffic an individual can use. I started out with what I thought was a very liberal setting of 1Mbps down and 768kbps up (consider that each building has a 100Mbps down/20Mbps up link to the Internet, in an educational environment).
After testing, the speed-tests come back and show that bandwidth limits are functional. However, I'm getting complaints that seem to be latency-related. Loading a streaming video on a popular website like YouTube might take 15-30 seconds before the video starts playing, and sites seem to be slow to load. I have since gone to 1280kbps down/768kbps up, and I get bandwidth changes, but still hear about issues with latency.
I don't want to up the bandwidth-per-user on our Student SSID much, but I need to figure out if others have experienced this issue. Have you found it is better to rate-limit your users in other ways? I could examine doing it at our firewall, but my idea of doing it at the access point level was so that an access point wouldn't be overloaded by a few users hogging it or having an infected system.