New Poster
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3 Messages
Upstream Channels not locked
Hi,
I am looking at my newly installed modem and noticed several channels are showing as not locked. Additionally I'm seeing a flurry of warnings in the logs. Is this expected?
| Upstream Bonded Channels (Partial Service) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Thu Aug 06 08:31:09 2020 | Critical (3) | No Ranging Response received - T3 time-out;CM-MAC=28:80:88:d4:57:a0;CMTS-MAC=00:9e:1e:59:cb:90;CM-QOS=1.1;CM-VER=3.1; |
| Thu Aug 06 08:30:19 2020 | Critical (3) | 16 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=28:80:88:d4:57:a0;CMTS-MAC=00:9e:1e:59:cb:90;CM-QOS=1.1;CM-VER=3.1; |
| Thu Aug 06 08:30:19 2020 | Critical (3) | Ranging Request Retries exhausted;CM-MAC=28:80:88:d4:57:a0;CMTS-MAC=00:9e:1e:59:cb:90;CM-QOS=1.1;CM-VER=3.1; |
Thanks,
Jon
BruceW
Gold Problem Solver
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26.5K Messages
5 years ago
You should have a Comcast premise tech take a look at this. At least 3 upstream channels should be locked. You may have a trap on your coax line.
Call the phone number on your bill or 1-800-Comcast, or use one of the options on https://www.xfinity.com/support/contact-us/. Insist they send a tech out to identify the cause and correct it.
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