What MBR do you have set for the 2.4 Ghz?
*--Jeremy L. Gibbs* Sr. Network Engineer Utica College IITS On Mon, Jul 17, 2017 at 4:27 PM, Dustin Howard <[email protected]> wrote: > I'm having an issue with some Apple devices and was wondering if anybody > has experienced similar or if you have a similar environment and all is > working well... > > My environment is 5508 controllers (8.0.140.17) with 1600 series and 1702i > APs. We have 1242 AP so cannot upgrade past 8.0.. > > I am having an issue with what seems to be only older Apple devices on > N(2.4Ghz). The devices authenticate/DHCP just fine but are very slow and > only seem to work for a few minutes until you have to restart the wireless > card. Loading a video is impossible...pings timeout and have very high > latency. Most the time the client cannot even ping the gateway. I have > been able to recreate this with iPad, 3rd and 4th Generations, an older > Macbook Pro and an iPhone 5c while using 1602i, 1602e, and 1702i APs. I > haven't confirmed any other brands having this problem. > > The devices mentioned above work great if I disable the N data rates on > the AP radio. I had two users that were crippled with this issue, so I > disabled the N data rates for one building over the weekend. The users > said their devices worked great over the weekend. They also work well on > the 5Ghz band but we have areas that rely on the 2.4Ghz coverage. If this > issue is not resolved before school starts, then I'm afraid will have to > disable N data rates globally for the 2.4Ghz band. > > Appreciate any feedback! > > -- > Thanks, > Dustin Howard > Network Support Specialist > Information Technology Services > Truman State University > 100 E. Normal Ave. > Kirksville, MO 63501 > Office - (660) 785-4165 > Cell - (660) 341-7869 > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at http://www.educause.edu/discuss. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/discuss.
