I have a Cox GigaBlast (Gigabit) account and would like to use my own modem/router. The problem is I also have Cox phone service so the modem needs to have phone ability. Cox lists the Arris TM3402 as approved but I can't locate one. I noticed that Arris has a model T25 for Xfinity that seems to be the same as the TM3402. I can't find any written specs detailed enough to allow me to know if I can use the T25 in place of the TM3402. Would anyone be able to give me advice, can I use the T25 on Cox without a problem?
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Arris TM3402 vs Arris T25
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30-60ms jitter
According to a speed test site, my jitter can be 30 to 60ms. I'm using cake qdisc, raw overhead, no ack-filter.. buffer bloat is really good A+ across the board, but the jitter is apparently there.
Is there a way to address it?
Thanks
EDIT: unless the site is wrong or I'm reading it incorrectly. Is there another way to test for jitter?
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[Modem] New Netgear modems CM2000 and CBR750
As I alluded to yesterday, we've got two more D3.1 certified modems(one CM, one gateway)
Netgear CM2000 D3.1 with 2.5Gbps Ethernet
https://www.cox.com/residential/support/netgear-cm2000.html
Netgear CBR750 D3.1 Orbi gateway(often sold in a kit with a satellite called CBK750-xxx)
https://www.cox.com/residential/support/netgear-cbr750.html
Still more to come!
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[Modem] New modem, Arris S33 2.5Gbps+1Gbps Ethernet support
Greetings,
We just added a new modem
Arris S33 https://www.cox.com/residential/support/arris-s33.html
more new modems are coming shortly ;)
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Looks like they are having some upstream issues right now
I noticed earlier that upload seemed quite unstable. Then it was brought to my attention by someone nearly across town from me, that they were having upload issues (speeds of 1-3mbps). I ran a few tests on mine and first was less than 2mbps, and the second was 0.1mbps (this is on a gigabit plan and all the latest/fun toys on the network). So they much really be having an issue right now. :o
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cox hotspot wifi security? any tips on making it safer?
I've never used a cox hotspot but will have to soon and nervous
I noticed you have to use the main account password which seems incredibly unsafe since the wifi is in the clear without any security options possible?
Also how do you know someone is not spoofing the hotspot login page to just scrape passwords?
Any suggestions on a safer/better experience?
Also I've never used a vpn, it won't help the login but afterwards are there any free ones that are not like owned/routed through china or other sketchy stuff? Not worried about speed but basically adding a layer of security. I'd probably even spend a few dollars for lifetime access but not going to spend monthly as I'd barely ever use it.
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Did Cox and/or Netgear kill the CM600 Spectrum Analyzer?
Troubleshooting some issues with my connection today, which thankfully went away with a modem reboot, but noted my modem had a new set of channels and was curious if they'd cleared the plant here for mid-split......
..... but the spectrum analyzer is no longer reachable. :(
nmap -p- 192.168.100.1 Starting Nmap 7.40 ( https://nmap.org ) at 2020-07-31 21:56 CDTNmap scan report for 192.168.100.1Host is up (0.0012s latency).Not shown: 65531 closed portsPORT STATE SERVICE80/tcp open http8080/tcp filtered http-proxy22267/tcp filtered unknown49200/tcp filtered unknown Nmap done: 1 IP address (1 host up) scanned in 66.12 seconds
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internet slow every 24 hours
So my internet slows from Giga speeds to around 5-6 every 24 hours.
Calls to support have been useless.
I've replaced the modem and I've tried three new routers.
The problem never goes away.
The only fix is a modem reset.
Suggestions?
Don
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[FL] How to improve Signal Levels?
We noticed a severe slowdown on our Gigablast Internet (Netgear CM1000 modem) so I checked the signal levels and they were way off (see old levels picture). They came out today and determined that the cable line going to the room the modem is in was bad so they replaced it (see new levels picture) which got me back to my "normal" speed range. However, he did say my signal was a bit weak at the tap but said there was nothing they could do because we are... I forget the phrase he used, but on and "end point" or something, which I find difficult to believe since we are in the middle of a long street.
Either way, I took a quick look over everything and the drop comes to the house to a two way splitter, one goes off to another splitter and one goes to the room the modem is in. In the room where the modem located in, there is another two way splitter, one going off to the modem and another going off to the cable box.
Any suggestions? Thanks in advance.
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[CT] Multiday post-TS Isaias outage, no useful communication from Cox
Our Cox service has been completely down since Tuesday August 4 thanks to Tropical Storm Isaias, except for 15 minutes yesterday. I understand that the problem is almost certainly due to the local power utility, who was absurdly unprepared for the storm. I know that Eversource needs to cut power and remove trees before many outages can be fixed.
However, Cox has really dropped the ball on communications here. Getting through on the phone is pretty much impossible. Chat sessions via the app are summarily dropped minutes after they're opened. SMS texts go without a reply (or at least, no reply two hours after starting them...)
The app and automated SMS response have no good info either. They started out with an estimate of a few hours, which kept increasing for half a day before becoming "no estimate." After two days of "no estimate" we got a "resolved" message in the morning... when the problem was not resolved, and had not been resolved at any point overnight. (I've got the logs to prove it...) Now it shows a new estimate that's continually increasing again.
I get that big storm impacts are unusual events, but they do happen. Cox is doing itself a real disservice by not engineering their automated responses to handle multi-day events. I get that it could be days to get service back... but can we get more informative messages? An accurate time estimate, even if it's on the order of days? Or even a "we are waiting on the power utility to restore service and they currently estimate..." message?
Not to mention making sure your text/chat systems can gracefully handle demand surges. I don't mean having staff for instant response after hurricane-force winds, but at least not dropping me summarily and giving some estimate of how long it will take for a response? And ensuring that my chat session isn't dropped if *I* don't reply instantly when I've moved on while waiting hours for a response?
I urge others in CT with the same problem to contact your state representative and ask them to hold Cox accountable for storm communications; Eversource is getting all the ire, but Cox isn't blameless here either.
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[Gigablast] Who has a router with dual 2.5Gbps?
Do any of you guys have the RT-89x or RAX120/200? Or some other prosumer level gear with both WAN/LAN 2.5Gbps capable ports, along with a >2.5Gbps PC?
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[OK] Consistently poor upload speeds
About 2 weeks ago started noticing issues while browsing the net and a test showed the download speed was fine but upload was at a miserable 1mbps. I attempted to diagnose the issue myself but nothing I did resolved it so I called cox and a technician eventually came out. While they where here they checked the box outside and did work in another neighbor's yard then said it was all fixed. Testing before they left showed the issue wasn't resolved and they begrudgingly came inside to diagnose the modem. After failing to get their tool to work with the modem but showing the coax had a good speed of 900mbps down 35 up he replaced the modem with what i'm guessing is a slightly newer panoramic modem. Speeds were fixed and all was well.
Week later the issue begins again and I'm not sure what to do other than call cox once more and have a guy come out and do it all over again. If it were the modem whats the chances of the replacement modem having the same issue days later? Friend of mine has cox and is not too far from me at all and has no issues with his connection.
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Up & down load speeds very slow this morning in Las Vegas today
Tested with cox, download slow. Restarted computer, tested again download slower than normal, upload 5.1 Mbps. Turned off computer, modem, and router.
Again restarted modem, restarted Router, restarted computer and upload 3.2 Mbps. Download about 60% of normal...
can not connect with speed test here @ Dslreports...
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Weirdly high speed test
Can someone explain why the DSL reports speed test gives me such a high result (http://www.dslreports.com/speedtest/65180660), but speedtest.net gives a lot lower result (https://www.speedtest.net/result/9896453522.png)?
My Cox plan is Ultimate 300/30.
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[AZ] Node over-saturation in Chandler
I am sharing my recent experience dealing with the Cox node saturation issue in my neighborhood.
Status tracking:
03/21/20: initial packet loss issue reported to Cox CSR. Also started posting on Cox Internet forum with PingPlotter trace graph showing issue started from Hop2. During the week of 3/16~3/21, multiple service outages (unplanned) experienced.
Replaced Arris SB6180 (which is capable to handle my 150/10 plan) with Motorola MB8600 (Gigablast approved). No improvement. Still seeing significant packet loss.
03/22/20: Cox Contractor on-site. Measured Tx/Rx signal quality from tube (tap), Cox cable box, and coax outlet in my room where the cable modem is connected to. The tech admitted that the signal is already weak at tube and there is not much he can do to fix it. He added MOCA filter in the cable box and replaced the coax connector too; no improvement.
03/23/20: emailed cox.help with 24hr PingPlotter trace showing ~10% packet loss.
03/24/20: received email response from Cox CSR
"There is currently maintenance occurring in your area so we won't be able to do any testing right now."
During the week of 03/22~03/28, experiencing service outages on a daily basis.
3/28/20: updated in both Cox CSR and Cox Internet forum with continued packet loss issue (7day PingPlotter trace attached).
KevinM2, Cox internet forum moderator, responded 03/29 asking to reach out on Twitter, FB or cox.help @ Cox.net (which I did already on cox.help email). I went ahead and reached out to Twitter. Twitter CSR apologized for the situation and offered credits for the inconvenience. Again stated
"There is currently maintenance occurring in your area so we won't be able to do any testing right now.". When pressed for the schedule of node split, was given the typical answer
"As far as the upgrade does, there are multiple factors involved in the planning and scheduling of this type of work and we are unable to effect any change to the schedule."
03/28/20 FCC informal complaint filed with 7-day PingPlotter traced attached; clearly indicating Hop2 ISP node being the problem.
03/31/20 received a call from Cox Executive Office responding to FCC compliant. During the call he agreed to node over-saturation issue (500+ people on the node while typically should only have 200~300). Promised to get back to me on the infrastructure upgrade schedule. Btw, it was not clear the infrastructure upgrade is a node split or fiber optical upgrade to the tube.
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Cox Panoramic Wifi Pods v2.0
...noticed this
We're sorry - this product is temporarily unavailable. Our new Panoramic Wifi Pods 2.0 will be available for purchase in August 2020.
@ https://www.cox.com/residential/internet/panoramic-whole-house-wifi/pods.html
of course this was right after I purchased my version 1 pods. Hopefully the new Pods will have better performance. They original ones have been great for getting around a concrete wall, but are not the fastest.
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[AZ] Phoenix Scottsdale down
Scottsdale is a mess - Up and down last 24 hours. Anyone else having issues?
My modem is going through the reconnection sequence and reporting Ranging errors:
"No Ranging Response received - T3 time-out;"
Simply put, my modem can't "see" upstream.
This is clearly an upstream Cox issue.
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[OK] Any Cox staff here that can help?
I subscribe to gigablast. The house has been totally rewired. I'm using a netgear cm1200 modem with an amplifi hd gaming router. I'm hard wired and have kids tablets and tvs via wireless. My logs today are insane. Critical, and warnings. I have random drop outs on the modem. Can someone help? Logs below. This is just some. There are dozens more. I can barely hit 80Mbit down and 7 up
Clear Log Refresh
Time Priority Description
Wed Jul 01 12:03:21 2020 Warning (5) DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 12:03:21 2020 Critical (3) SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:39 2020 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:39 2020 Notice (6) CM-STATUS message sent. Event Type Code: 22; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:22 2020 Notice (6) CM-STATUS message sent. Event Type Code: 20; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:22 2020 Notice (6) CM-STATUS message sent. Event Type Code: 16; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:11 2020 Warning (5) REG-RSP-MP Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:07 2020 Notice (6) DS profile assignment change. DS Chan ID: 32; Previous Profile: ; New Profile: 1 2 3.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:06 2020 Notice (6) TLV-11 - unrecognized OID;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:05 2020 Warning (5) DHCP WARNING - Non-critical field invalid in response ;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:51:02 2020 Notice (6) Honoring MDD; IP provisioning mode = IPv4
Wed Jul 01 11:50:53 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:50:37 2020 Warning (5) DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:50:23 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:50:20 2020 Warning (5) DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:50:10 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:50:08 2020 Warning (5) DBC-REQ Mismatch Between Calculated Value for P1.6hi Compared to CCAP Provided Value;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:49:57 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:49:51 2020 Warning (5) MDD message timeout;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:49:51 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:49:45 2020 Warning (5) MDD message timeout;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:49:45 2020 Critical (3) SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing;;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
Wed Jul 01 11:31:31 2020 Notice (6) CM-STATUS message sent. Event Type Code: 24; Chan ID: 159; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1.;CM-MAC=08:36:c9:3f:a8:b8;CMTS-MAC=00:38:df:08:fd:5d;CM-QOS=1.1;CM-VER=3.1;
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After Dust Storm. Modem upstream power levels keep increasing.
San Tan Valley Area
We had a dust storm last night.
Ever since then the internet has been wonky.
Upstream is toast. I cant get a speed test upload to work. I can download.
But even then there is packet loss and real time voice for receiving is toast.
I refreshed/reset everything.
Checked connections outside (no splinters etc).
All connections are still tight, firm and set. No damage to the outside connection or its enclosure.
I noticed up upstream was
43,44,48,52
Then
46,48,49,52
Then
48, 50, 52,54
and NOW
48, 50, 53, 54
up to 55 upstream power now lol
These increases occurred around 3 hours and all within 9 hours of being refreshed from the start and another refresh about 4 hours ago.
Modem logs in attachments.
Downstream Bonded Channels
Channel ID Lock Status Modulation Frequency Power SNR/MER Corrected Uncorrectables
29 Locked QAM256 951000000 Hz -6.5 dBmV 35.3 dB 12 0
1 Locked QAM256 783000000 Hz 0.3 dBmV 39.2 dB 1 0
17 Locked QAM256 879000000 Hz -2.0 dBmV 38.0 dB 8320 26603
19 Locked QAM256 891000000 Hz -2.3 dBmV 37.8 dB 8145 26058
20 Locked QAM256 897000000 Hz -2.9 dBmV 37.3 dB 8330 26635
21 Locked QAM256 903000000 Hz -3.7 dBmV 36.8 dB 9275 28573
22 Locked QAM256 909000000 Hz -4.0 dBmV 36.7 dB 9274 25985
23 Locked QAM256 915000000 Hz -4.2 dBmV 36.5 dB 9519 30931
24 Locked QAM256 921000000 Hz -4.5 dBmV 36.5 dB 9215 30010
25 Locked QAM256 927000000 Hz -4.9 dBmV 36.2 dB 7553 28341
26 Locked QAM256 933000000 Hz -5.3 dBmV 36.0 dB 6334 25900
27 Locked QAM256 939000000 Hz -5.8 dBmV 35.8 dB 4654 19186
28 Locked QAM256 945000000 Hz -6.3 dBmV 35.5 dB 1764 8680
30 Locked QAM256 957000000 Hz -6.6 dBmV 35.3 dB 1295 5517
31 Locked QAM256 963000000 Hz -6.6 dBmV 35.0 dB 1288 6386
32 Locked QAM256 969000000 Hz -6.6 dBmV 35.1 dB 795 3554
33 Locked QAM256 357000000 Hz 2.7 dBmV 40.0 dB 170 765
34 Locked QAM256 363000000 Hz 2.8 dBmV 40.2 dB 215 759
35 Locked QAM256 369000000 Hz 2.8 dBmV 40.2 dB 206 796
36 Locked QAM256 375000000 Hz 3.1 dBmV 40.1 dB 232 768
37 Locked QAM256 381000000 Hz 3.4 dBmV 40.4 dB 224 806
38 Locked QAM256 387000000 Hz 3.6 dBmV 40.5 dB 178 839
39 Locked QAM256 393000000 Hz 3.9 dBmV 40.5 dB 271 815
40 Locked QAM256 399000000 Hz 4.0 dBmV 40.4 dB 273 787
41 Locked QAM256 405000000 Hz 4.1 dBmV 40.3 dB 322 422
42 Locked QAM256 411000000 Hz 4.1 dBmV 40.4 dB 447 1254
43 Locked QAM256 417000000 Hz 3.5 dBmV 40.3 dB 557 953
44 Locked QAM256 423000000 Hz 3.2 dBmV 40.1 dB 547 1026
45 Locked QAM256 429000000 Hz 3.2 dBmV 40.1 dB 866 1159
46 Locked QAM256 435000000 Hz 3.1 dBmV 40.1 dB 960 1455
47 Locked QAM256 441000000 Hz 3.0 dBmV 40.1 dB 897 1650
48 Locked QAM256 447000000 Hz 3.0 dBmV 40.1 dB 1104 1839
159 Locked Other 300000000 Hz 5.6 dBmV 41.2 dB 3975199984 1592
Upstream Bonded Channels
Channel Channel ID Lock Status US Channel Type Frequency Width Power
1 1 Locked SC-QAM Upstream 16900000 Hz 6400000 Hz 48.0 dBmV
2 2 Locked SC-QAM Upstream 23500000 Hz 6400000 Hz 50.0 dBmV
3 3 Locked SC-QAM Upstream 29900000 Hz 6400000 Hz 53.0 dBmV
4 4 Locked SC-QAM Upstream 36300000 Hz 6400000 Hz 54.0 dBmV
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Ultimate classic still available
Is it still possible to get Ultimate Classic if you talk to "the right person?"
I have a 24x8 D3 modem. Something a little faster would be nice and I don't really feel like shelling out more money for a new modem or rent one.
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