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Hello. I have a R6700v2 (AC1750) which just started limiting Wifi connection on 2.4GHz to 16 connections. Devices that are capable of 2.4 or 5GHz will connect fine on 5GHz but not on 2.4GHz since 16 devices are already connected. I have lots of smart switches and other devices in the home. No idea what changed. Previously, I had about 25 devices connected.
I have power cycled the R6700v2, the cable modem, and many of the devices several times. Which one is allowed to connect to the router depends on which device boots up first.
My firmware version is V1.2.0.92_1.0.1.
I can't test the limit on 5GHz since I don't have many 5GHz capable devices.
Re: R6700v2 (AC1750) Now limiting connections to 16
It worked fine after the update. Yesterday we had a 5 minute power outage and then Spectrum (in our area) went down for an hour. Now 20 hours later I still can't get the system to work as it did yesterday morning.
The router is plugged into an uninterruptible power supply which provides power line protection for the router so unlikely (not impossible) that is was damaged.
I have not tried a factory reset since that can be quite time consuming to set everything up again even when reusing the same SSID and password.
I have power cycled the R6700v2, the cable modem, and many of the devices several times. Which one is allowed to connect to the router depends on which device boots up first.
With a number on/off cycles undertaken, it may be time for a sequential restart of your network.
In general you restart your LAN from the outside in.
Power down your modem, disconnect the coax, Ethernet, and power cables. Let the device set for a few minutes.
Power down your router and disconnect the power cord.
Back to the modem, connect the coax cable and power cord. Power up the modem and give it plenty of time to boot and stabilize. Next connect the Ethernet cable to the router.
At the router, connect the power cord and power up. Give the router plenty of time to boot and stabilize.
Re: R6700v2 (AC1750) Now limiting connections to 16
I took the slow and patient approach as Kitsap suggestion but it did not help. I still had to unplug a smart device to get a different smart device to connect.
I doubt this issue had anything to do with Spectrum because connected devices worked great. I even tried a laptop connected directly to the modem to be sure.
In the end the solution was to do a factory reset as plemans suggested Once I got everything configured as it was, all components connected again. I'm back up to 25.
