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Fix for router constantly losing connection in bridge mode
Writing this to help any others out there experiencing this (you're at wits' end from attempting to fix, ready to give up on the XR500). FWIW, in my opinion there's nothing more frustrating a...
This is an incredibly useful guide, thank you for taking the time to post your solution. I'm so glad you were able to get this sorted. I'll keep your solution on fille for any future cases like this!
If you have any other issues feel free to ask, we're always happy to help.
And for users with modem./router combo units, you can also do the following:
1. Configure the modem for transparent bridge mode. Then use the NG router in router mode. You'll need to contact the ISP for help and information in regards to the modem being bridged correctly.
2. If you can't bridge the modem, disable ALL wifi radios on the modem, configure the modems DMZ for the IP address the Orbi router gets from the modem. Then you can use the NG router in Router mode.
I ended up getting the tg arris router/modem replaced and have had the standard modem they gave me for about almost a week now and have had perfect connection, I think almost better connection than before. Spectrum gave me a router to go with the modem but I haven't opened it up yet, seeing as I have the XR500 connected instead.
I can't really say what was wrong, but I have a strong suspicion something was wrong with how the arris modem/router was handling bridge mode, all I can say now is with just a regular modem connected into the XR500, it works fine.
Great to hear it's all working for you now
Your suspicions were correct. The Arris modems used by Spectrum have the Intel Puma 6 chipset, which I later discovered have a serious internet latency-spike issue that was discovered in the latter part of 2016. (Lawsuits have been filed over this.) Initially it was on the order of every 2 seconds. The best they've been able to increase the time interval to is roughly every 35-40 seconds, but it's still there and it wrecks everything when it happens.
See 6th post in my (misnamed) thread here for details:
P.S. Netgear CM600 cable modem, which has a Broadcom chipset, works great with Spectrum and the XR500
- Here is an explanation of the Puma 6 issue, and a comprehensive list of affected modems: https://approvedmodemlist.com/intel-puma-6-modem-list-chipset-defects/