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Forum Discussion
Web admin interface does not respond when modem loses downstream link (CM500)
Hi, I have a CM500 cable modem. It has an administrative web interface at http://192.168.100.1/ It is connected to a router. I've noticed that when my ISP has an outage, the administrative web in...
It's Comcast. Do you mean "lock down the GUI" on user-owned modems and lock it down entirely? Or do you just mean this specific exotic scenario of locking it down only when the modem has lost connectivity? Which ISPs do that (whichever scenario you meant)?
In order to determine whether to invest my $50 toward a new netgear device or not, I would want more information on this issue or knowledge that it does not occur on their newer devices.
Unfortunately, this scenario is so rare and so few people even know that their cable modem has a web GUI, I doubt that it will be reported online. Best thing I could do is try to reproduce it myself by unplugging the cable and then see if I can also reproduce the same behavior with a newer modem during the return window.
Xfinity doesn't lock them down.
I know some versions of firmware on device, spectrum locks users out of the GUI. They haven't released an official reason but my bet is it gives users the ability to say "here's whats wrong, fix it" when there is issues. Versus without it they can say, "its not our line" a couple times. I actually ran into this with them with one of my in-laws and had to prove it to them the signal coming in had issues. PITA. there might be a few other ISP's that do the same but there isn't a list of them.
I'm on xfinity and I've never had an issues accessing the GUI on any of my modems. I've used a cm400, cm1000v1, cm1000v2, cm1100, cm2000, cm3000. Not a single issue. So wondering if maybe you had something go wrong on yours.
If you're looking at upgrading, I'd look at one of the next gen modems that xfinity has approved for the increased upload speeds.
Here's the most recent from 4/8/24 list: https://assets.xfinity.com/assets/dotcom/projects/cix-4997_compatible-devices/2024.04.03%20Full%20List%20of%20Compatible%20Devices.pdf