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Forum Discussion

FTD92's avatar
FTD92
Aspirant
Jun 14, 2024

CM3000 Issues Xfinity

Hi, I am in an apartment complex at the "end of the line" so to speak when it comes to connections throughout the complex. I just recently had a technician out and when I mentioned my modem status page they rudely interrupted me and said "I don't care about your modem, I am here to service the line and that's it." 

Regardless, the modem error reporting log can be very indicative for troubleshooting when it comes to errors on the network itself. I am still experiencing really slow loading webpages currently even though things look 'good' signal level wise as far as I can see.  Note this is the CM3000 and is high-split so it is utilizing the latest network upgrades but I keep seeing "US profile assignment change. US Chan ID: 41" in the error log which to my understanding indicates the modem is trying to access a higher speed than its currently getting. You will see this post numerous times throughout my log and I am guessing something in relation to that posted error is what is causing problems. 

This manifests as slow loading webpages, streams that buffer that didn't beforehand, and packet loss in VOIP sensitive applications. I really wish a technician or Comcast would take my case seriously as I have top of the line hardware throughout my setup and still experience this problem.




Thu Jun 13 15:00:22 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.;CM-QOS=1.1;CM-VER=3.1;
Thu Jun 13 14:55:22 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.;CM-QOS=1.1;CM-VER=3.1;
Thu Jun 13 14:47:06 2024(Critical (3))Started Unicast Maintenance Ranging - No Response received - T3 time-out; CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:59:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:53:03 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:44:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:36:03 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:34:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:26:33 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:24:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:16:03 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:14:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 10 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:09:03 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 10 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:08:18 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 11:01:18 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:59:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:51:33 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:49:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:43:33 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:39:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:31:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:24:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:15:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.;CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:14:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.;CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:06:18 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 10:04:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 09:55:33 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 09:54:48 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 09:44:18 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Tue Jun 11 09:41:06 2024(Critical (3))Started Unicast Maintenance Ranging - No Response received - T3 time-out; CM-QOS=1.1;CM-VER=3.1;
Sat Jun 08 22:10:16 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 11 13; New Profile: 12 13.;CM-QOS=1.1;CM-VER=3.1;
Sat Jun 08 22:04:31 2024(Notice (6))US profile assignment change. US Chan ID: 41; Previous Profile: 12 13; New Profile: 11 13.CM-QOS=1.1;CM-VER=3.1;
Sat Jun 08 09:40:45 2024(Critical (3))Started Unicast Maintenance Ranging - No Response received - T3 time-out CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:11:40 2024(Notice (6))CM-STATUS message sent. Event Type Code: 22; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:09:34 2024(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:09:21 2024(Notice (6))CM-STATUS message sent. Event Type Code: 23; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:06:12 2024(Notice (6))CM-STATUS message sent. Event Type Code: 4; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:05:18 2024(Notice (6))CM-STATUS message sent. Event Type Code: 1; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:04:50 2024(Warning (5))MDD message timeout;;CM-QOS=1.1;CM-VER=3.1;
Fri Jun 07 17:04:49 2024(Notice (6))CM-STATUS message sent. Event Type Code: 21; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;;CM-QOS=1.1;CM-VER=3.1;




Startup Procedure
ProcedureStatusComment
Acquire Downstream Channel435000000 HzLocked
Connectivity StateOKOperational
Boot StateOKOperational
SecurityEnabledBPI+
IP Provisioning ModeHonor MDDIPv6 only
 
Downstream Bonded Channels
ChannelLock StatusModulationChannel IDFrequencyPowerSNRCorrectablesUncorrectables
1LockedQAM2564435000000 Hz3.1 dBmV45.1 dB140
2LockedQAM2561417000000 Hz3.1 dBmV45.2 dB110
3LockedQAM2562423000000 Hz3.1 dBmV45.1 dB140
4LockedQAM2563429000000 Hz3.1 dBmV45.0 dB90
5LockedQAM2565441000000 Hz3.1 dBmV45.0 dB150
6LockedQAM2566447000000 Hz3.2 dBmV45.0 dB150
7LockedQAM2567453000000 Hz3.2 dBmV45.0 dB10
8LockedQAM2568459000000 Hz3.3 dBmV45.1 dB10
9LockedQAM2569465000000 Hz3.3 dBmV45.1 dB110
10LockedQAM25610471000000 Hz3.4 dBmV45.1 dB160
11LockedQAM25611477000000 Hz3.5 dBmV45.1 dB300
12LockedQAM25612483000000 Hz3.5 dBmV45.1 dB290
13LockedQAM25613489000000 Hz3.5 dBmV45.1 dB240
14LockedQAM25614495000000 Hz3.5 dBmV45.1 dB10
15LockedQAM25615501000000 Hz3.3 dBmV45.1 dB20
16LockedQAM25616507000000 Hz3.3 dBmV45.0 dB20
17LockedQAM25617513000000 Hz3.2 dBmV44.9 dB10
18LockedQAM25618519000000 Hz3.0 dBmV44.9 dB10
19LockedQAM25619525000000 Hz2.9 dBmV44.8 dB130
20LockedQAM25620531000000 Hz2.7 dBmV44.6 dB00
21LockedQAM25621537000000 Hz2.5 dBmV44.5 dB130
22LockedQAM25622543000000 Hz2.4 dBmV44.4 dB90
23LockedQAM25623549000000 Hz2.3 dBmV44.4 dB00
24LockedQAM25624555000000 Hz2.4 dBmV44.3 dB160
25LockedQAM25625561000000 Hz2.5 dBmV44.4 dB300
26LockedQAM25626567000000 Hz2.6 dBmV44.4 dB270
27LockedQAM25627573000000 Hz2.8 dBmV44.4 dB250
28LockedQAM25628579000000 Hz2.9 dBmV44.5 dB160
29LockedQAM25629585000000 Hz3.1 dBmV44.6 dB120
30LockedQAM25630591000000 Hz3.2 dBmV44.6 dB10
31LockedQAM25631597000000 Hz3.3 dBmV44.6 dB10
32LockedQAM25632603000000 Hz3.3 dBmV44.6 dB100
 
Upstream Bonded Channels
ChannelLock StatusUS Channel TypeChannel IDSymbol RateFrequencyPower
1LockedATDMA15120 Ksym/sec16400000 Hz46.5 dBmV
2LockedATDMA25120 Ksym/sec22800000 Hz46.8 dBmV
3LockedATDMA35120 Ksym/sec29200000 Hz47.0 dBmV
4LockedATDMA45120 Ksym/sec35600000 Hz47.3 dBmV
5Not LockedUnknown0000.0 dBmV
6Not LockedUnknown0000.0 dBmV
7Not LockedUnknown0000.0 dBmV
8Not LockedUnknown0000.0 dBmV
 
Downstream OFDM Channels
ChannelLock StatusProfile IDChannel IDFrequencyPowerSNR / MERActive Subcarrier
Number Range
Unerrored
Codewords
Correctable
Codewords
Uncorrectable
Codewords
1Locked0 ,1 ,2 ,3193957000000 Hz1.48 dBmV42.1 dB148 ~ 39471245100056438498903310
2Not Locked000 Hz0 dBmV0 dB0 ~ 4095000
 
Upstream OFDMA Channels
ChannelLock StatusModulation / Profile IDChannel IDFrequencyPower
1Locked12 ,134136200000 Hz42.8 dBmV
2Not Locked000 Hz0 dBmV

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