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Solved
Connected, no internet
I just bought a Netgear R7800 and updated to the latest firmware v1.0.2.28. I have optimum cable service and a wifi issue with android devices. I also have a win10 tablet that initially says "connect...
I meant the modem.. Two parts - modem and router.. When you add a new router to a network, you start by turning off the modem to flush the old MAC address of the older router out of the MAC table. Once it has been off for about 5-10 minutes, power up modem (wait for the modem to come back online), then, power up router (properly cabled up to modem) then configure router when it is online. If your ISP does not release the MAC address of you old router, you can reconfigure your new router with the old router's MAC address, or a laptop MAC address, if you were successful connecting to the Internet after removing your old router. Clear as mud?
I did the factory reset, set a new SSID and still no progress. The android phones and tablet still said Connected, no internet. However...
Two days ago out of the clear blue something got scrambled and by itself the router shuffled all the ip addresses around. There was no power outage or spike as I was home and everything was normal. However two items that had reserved ip addresses were now elsewhere. One of the two https://shop.homeseer.com/products/homeseer-z-net-remote-z-wave-plus-interface?variant=23367891910 a zwave automation unit is a challenge because when I set it to .3 it goes to .2, when I set it in the router to .2 it goes to .3! Even after re-booting everything the same issue continues.
But at this same time the Connected, no internet message disappeared from the phones for two days.
Now what?
Well it seems I just found part of the problem. The mac address table (or whatever it's called) in the router was showing the name of one device tied to the mac address of another device. I was able to shut down one device, correct the one that was wrong and now it appears normal.
Is there a way to avoid scrambled tables or whatever the issue may be?
Depends on the ISP.. (I am assuming you are talking about your modem). Turning the modem off for 5 or 10 minutes, usually flushes the MAC table entry. Some ISP's don't play nice and don't flush the MAC table entry wehn the modem is powered off / on , which forces people to clone the MAC address of your old router, or a laptop. If you are talking about the R7000, then it sounds like it was bought used, and should have been reset to factory default, before putting it on your network..
It's the R7800 and was bought brand new. Even after factory reset, this issue appeared. Not sure if it was a hiccup or a known bug.
netwrks you said turning the modem off, did you mean the router? Does the modem know or care that the router is on/off or even if one is connected?
I meant the modem.. Two parts - modem and router.. When you add a new router to a network, you start by turning off the modem to flush the old MAC address of the older router out of the MAC table. Once it has been off for about 5-10 minutes, power up modem (wait for the modem to come back online), then, power up router (properly cabled up to modem) then configure router when it is online. If your ISP does not release the MAC address of you old router, you can reconfigure your new router with the old router's MAC address, or a laptop MAC address, if you were successful connecting to the Internet after removing your old router. Clear as mud?