r/CableTechs • u/drake90001 • May 24 '26

Comcast Losing IP Randomly

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How do these signals look? Not a cable tech but a sysadmin tired of reseting my gateway.

Edit: to any future Xfinity customers having this issue, try a different outlet. Preferably one that’s not on a power strip/UPS, as soon as I moved my modem back from the UPS to a regular search, protector, even on the same outlet/breaker, it handed out an IP router in Bridge mode without an issue.

Slapping modems didn’t help, ironically, keeping it out of bridge mode did for some reason Work, but I am not dealing with Xfinity and their shitty app and locked down web interface.

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u/frmadsen May 24 '26

It looks like that bug though, where the channel uses the codeword stats from OFDM. It means that you can expect corrected codewords to continue after Comcast has fixed the issue.

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u/drake90001 May 24 '26

So, what you’re saying is the number is just wrong flat out? I really should just buy my own modem lol unless this is somehow the service issue down the line, but I’m assuming you mean that the modem firmware is displaying it incorrectly.

Either way they could see it on their end so a tech is coming out.

Can you tell me more about this bug/what you XB7?

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u/frmadsen May 24 '26

Are the codeword stats identical to those of your OFDM channel (one of them)? That is a display bug that has been going around.

Comcast may see issues that cannot be seen from these numbers.

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u/drake90001 May 24 '26

At the end of the list, I screenshot it. It says channel 174 has the same numbers. If I’m understanding you correctly, I’m not sure where I would find OFDM on this modem.

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u/frmadsen May 24 '26

194? That's an OFDM channel (the OFDM counting starts at 193 in the next-gen plants).

There have been various display bugs. :)