troubleshooting Question

Help School Slow Down Bandwidth Consumption

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telstar_Flag for United States of America asked on
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I'm helping a friend who runs a small school (50 kids) with their summer school sessions. They currently have a 1-1 student/iPad ratio, and are having some issues with bandwidth control.

They have 6 Unifi APs, a Cisco SG200-26P switch, and a Netgear WNDR3700v2 router. Everything runs over the OpenDNS Umbrella filter for protection from all kinds of stuff on the web as well as a little bit of control of content access to games and stuff like that, but they are still seeing some bandwidth troubles.

I'm looking for any solutions that people have put in place that have helped them in a bandwidth heavy-use environment. I can configure the VLANs and turn on QoS through the switch but if someone has done something else that has helped I would love to hear it.

The APs are running on G only mode, no N speed allowed, and the APs are all wired directly to the switch, no intermediate miniswitches to bog things down. Each AP is set to a specific channel that is designed so that we have 1,6,11,1,6,11 channels repeating for the least amount of interference, and each AP is on a Static IP too.

Some of these features were in place when I started reviewing their network but the majority of them have been adjusted by me to start to alleviate the network bogdown that is sometimes experienced.

I've been thinking about adding 3-6 more UniFi access points as I've had very good results with them in the past but I would like to look at configuration and software suggestions before I do that.

This is a small network but the number of iPads make it a usage-heavy environment.

Thanks in advance!
Network Administrator

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