I have Rogers’s bundled service, TV, home phone and Internet hybrid 50. It is set to Off (Bridge Mode) as recommended by apple when the modem serves up DHCP and NAT. could be old modem firmware as well. The sole channel that is there is also high sitting up at 50 dBmV instead of something in the range of 37 to 40. Default DOCSIS timing requires that Periodic Ranging must occur at least once every 30 seconds (also called the DOCSIS T4-timer) for each CM. That kinda gets the point accross. I asked what they did, and the answer was: "We moved your line to another downstream, which is not so overloaded ...". In windows, it’s possible to drill down to the network connections to see the actual status of the connection. De connect box is bedraad aangesloten op een 'extra wifi punt ziggo'. Upstream At -5 dB it 'should' be fine, but I've seen weirder stuff. I recommend you go and buy a new modem, best buy, office max, etc... I just checked again and realized my Intermittent connection - DOCSIS Event log display... That's what we're here for! If you keep getting dropouts on anything....call back in. Put tech support on speed dial. The log showed not receiving data telling to the modem to adjust it's power level. I'm anxious to find out what is going on. I did notice downstream light went to green (no DOCSIS 3.1 anymore) last night after my last post. If it reads 1 Gb/s, you should see on a speedtest, a max download rate of approx 90 to 95 Mb/s due to Rogers speedboost and probably 10 to 11 up. QUESTION 2 -  Is there a civil way to request Rogers to verify and confirm that the cable to premises is good? Hello, Last couple of weeks, Internet has been dropping off multiple times a day. Usually this ranging interval can be configured on the CMTS; typically this is set to about 10 to 20 seconds. De netwerkhistorie laat zien: No Ranging Response received - T3 time-out. this is mean you lost some field in dhcp server. Error Event: No Ranging Response received - T3 time-out;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.0; Error Event: Unicast Ranging Received Abort Response - initializing ;CM-MAC=xx:xx:xx:xx:xx:xx;CMTS-MAC=xx:xx:xx:xx:xx:xx;CM-QOS=1.1;CM-VER=3.0; These occur multiple times and it is always after my Internet connection drops out. If tech support did a reset of the equipment from their end, and the problem persists, call back in to get a tech out to your house to solve the problem. Some cable modem models/brands may have cleaner upstream signal reducing the number of T3 timeouts (reportedly Zoom 5341-00-00J, for example) T4 Timeout - Received Response to Broadcast Maintenance Request, But no Re: No Ranging Response received - T3 time-out. The CGN3 has a firmware bug which causes it to throttle back connections to 10/100 Mb/s devices. And I noticed one more thing: Upstream modulation should be QAM64, but sometimes I see it changes after reset to QAM16. Going to call them 03:08 PM Sometimes it's working for 2 days without problems, and there are some days that I experience 5-7 resets per day ... Don't worry about "DHCP WARNING - Non-critical field invalid in response". Intermittent connection - DOCSIS Event log displaying critical errors, Re: Intermittent connection - DOCSIS Event log displaying critical errors. It could prevent it from fully registering, but not flap. Those levels look normal. Only worry if you start to see a bunch of them. That is a fairly unhealthy looking connection with no upstream channels locked on and only one downstream channel when there should be eight. Now I finally got some useful answer from provider. ‎07-18-2014 I would love to be able to get to that point, instead of all the typical runaround finger pointing one gets when trying to get an issue resolved - especically this one. 2015/6/2
14:31:01 Error. If no response is received, the modem logs another T3 timeout. go to the connection tab and double check your power levels. RogersJermaine. Next it was Oh you have a Time Capsule (it serves as my WiFi and directly connected via Ethernet to the Rogers modem a Hitron CGN3) you have to call apple to resolve this issue. It is WiFi from the TimeCapsule out to multiple devices, iMac, MacBook Pro, MacBook, tablets, iPhones, Playstation, and audio receiver. Can you tell if the modem is frequency hopping? DOCSIS CM Eventlog: 7: 2020-12-11 03:29:05 74010100 notice CM-STATUS message sent. - edited I can't think of any reason why a bad DHCP server would make a modem do that. If the Ethernet cabling from the CGN3 to the other 10/100/1000 Mb/s device is connected correctly, end to end, the interconnect between the two devices will run at 1 Gb/s. Best regards from Slovenia, and thanks in advance for help! No. in my house, but the problem remains. The CMTS and modem ping-pong as a way for the CMTS to know the CM is still alive for the CMTS to make adjustments to the CM. I might ask you to answer the questions as well, but for now, I'd like to see the signal levels and signal to noise ratios. Whenever the line comes under load (E.g. Now it's working without a problem for aprx. This error message is DOCSIS event message is R03.0, Ranging Request. http://www.lowes.ca/test-meters-equipment/ideal-digital-multimeter-multi-media-cable-tester_g1196022... Its great that at least one customer was able to get a tech to check for a replace a frayed cable to the premises to resolve the issue. The cable modem is resetting its cable interface and restarting the registration process. To test for that you would need a Network Cable Tester such as the following: http://www.lowes.ca/products/compare.aspx?sku=8777782,8781121. My download/upload speeds are great. Error priority: critical. So, if you can, disconnect your Time Capsule from the wall Ethernet port and connect one of your gigabit capable devices directly to that port so that it picks up an address from the CGN3 and has an internet connection. Mijn TV en de appleTV zijn op hun beurt weer bedraad aangesloten op … Before I had a Motorola sb901 and now a sp6121. The cable modem is certified to work on any Euro-DOCSIS based HFC cable system and is certified Euro-DOCSIS 2.0 by Excentis"). I see that the link no longer works for some reason. So when your modem receives the extra options (telling it the same info it already knows), it doesn't know how to read them and pops that warning. Try to reproduce the problem with some TV channels. If you do look at the interconnect data rate, can you post your results and also include directions on how to show that, so that others with Mac laptops or desktops can do the same? Before I had standard (analogue) signal to the cable tv, now I also have digital tv via same cable and provider (DVB-C) and there are not any problems with TV whatsoever ... At last my provider after a lot of mails, calls, faxes, etc ... managed to get my line straight. 10:04 PM ... or must one go through the runaround first? you miss some Non critical field in dhcp response. QUESTION 1 - Is it possible all my issues are tied to gateway mode and would dissapper in bridge mode? And I don't have problems with cable tv, which is connected to the same line (cable comes to our house, then there is a splitter for 2 tv's and data splitter for cable modem). Not a big deal at all. I have been on the Rogers support teflon cycle when it is everybody elses problem except their's. 22-02-2020 22:56 - edited ‎22-02-2020 22:57. There are also a lot of errors and critical messages. This does not appear to be a router or wifi issue, the router doesn't require a reboot and RSSI values are fine, no configuration changes on that end. Don't worry about the occasional one. That T-3 timeout is the CM not hearing back from the CMTS when it should. On the home system, running a tcpdump while pinging from the Comcast Fibre location, I see all pings coming into the system in order and all responses going out. With help of my recording of modem during reset, they figured out, that modem looses sync with CMTS (first light that goes off when reset happens is: Cable link). Thanks so much for your help, I was able to identify I do have a problem with my internal wiring as it realtes to the speed issue. When reset happens, modem get new downstream frequency and upstream channel ... (now is DS freq. 2016/4/23 21:58:02 Firewall Blocked : 410Mhz and US channel: 2, and when reset will happen, DS freq. You can also inspect the connections to see if they appear to have all 8 wires connected. Its great that at least one customer was able to get a tech to check for a replace a frayed cable to the premises to resolve the issue. Explanation: The cable modem did not receive a broadcast maintenance opportunity in which to transmit a Ranging Request (RNG-REQ) within the T2 timeout period (approximately 10 seconds). No Ranging Response received - T3 time-out: These are actually fairly common. ‎07-18-2014 Re: CM700 No ranging response T3 timeouts typically indicate a issue with the ISP connection you will want them to come out and check the outside lines. 10/23/2008 21.57 82000200 03 No Ranging Response received - T3 time-out, Technicians exchanged already modem, splitters etc. please let me know how you make out. Do you get cable TV through this connection? There are no indications that inbound packets are lost. Typically flapping (constant cycling) is a downstream power issue. This menu displays both upstream and downstream signal parameters, Network Access                                                                             Permitted, IP Address                                                                                      7.47.77.94, Subnet Mask                                                                                  255.255.252.0, Gateway IP                                                                                      7.47.76.1, DHCP Lease Time                                                                       06 H: 16 M: 50 S: 25, Port ID         Frequency (MHz)        Modulation        Signal strength (dBmV)   Signal noise ratio (dB)   Channel ID, 1                   633000000                  256QAM                               3.100                            38.983                       7, 2                   591000000                  256QAM                               1.500                            38.605                       1, 3                   597000000                  256QAM                               2.000                            38.983                       2, 4                   603000000                  256QAM                               2.100                            38.983                       3, 5                   609000000                  256QAM                               2.200                            38.983                       4, 6                   615000000                  256QAM                               2.600                            38.983                       5, 7                   621000000                  256QAM                               2.600                            38.983                       6, 8                   639000000                  256QAM                               3.000                            38.983                       8, 9                   645000000                  256QAM                               2.700                            38.983                       9, 10                 651000000                  256QAM                               2.600                            38.983                       10, 11                 657000000                  256QAM                               2.700                            38.983                       11, 12                 663000000                  256QAM                               2.500                            38.983                       12, 13                 669000000                  256QAM                               2.500                            38.983                       133, 14                 675000000                  256QAM                               2.700                            38.605                       134, 15                 681000000                  256QAM                               1.600                            38.605                       135, 16                 687000000                  256QAM                               1.700                            38.605                       136, 17                 693000000                  256QAM                               1.700                            38.605                       137, 18                 699000000                  256QAM                               1.700                            38.983                       138, 19                 705000000                  256QAM                               1.900                            38.605                       139, 20                 711000000                  256QAM                               2.000                            38.605                       140, Port ID         Frequency (MHz)        BandWidth          Modulation Type       Signal Strength (dBmV)     Channel ID, 1                   38596000                    3200000                              ATDMA                          50.500                       1. The cable was frayed and had water damage. Just ask! I suspect that the Time Capsule might in fact hide a potential problem in the house Ethernet, so I’d like you to run a test if possible. Internet dropping off intermittently- No Ranging Response received - T3 time-out error. Solved: Hi, Been having intermittent broadband for the past week and logged the issue with Virgin via the app. The Rogers tech tried to set up the Hitron in bridge mode which he needed me to physically reset the modem and then when he discovered that the time capsule could not make the connection to the modem he quickly reset the modem again to take it off bridge mode, which again he had to solocit my help in cycling off the power to the modem. If there is a wire that is not connected correctly or perhaps loose, depending on which one it is, the two devices will auto-negotiate down to some common data rate that they can both agree on. Modem flapping would be an RF issue anyway. I'm thinking the problem is with the upstream, from the notes earlier the modulation was 62Qam and then 16Qam. Atttempting continuous pings from that location to the home system shows packet loss at varying rates. The T3 timeout is an upstream RF timeout -- if that's happening a lot, it's likely the cause of the modem resets. Did tech support indicate that you should be expecting a visit from a tech? Any snow or audio distortion especially on the low channels? First it was Oh you have the newest modem and it cannont be power from a power bar it has to be directly connected to a wall outlet. The CMTS and modem ping-pong as a way for the CMTS to I rebooted the modem and was back online. Am I correct? I would gladly purchase a new router if that would resolve it. So, just guessing, if there is only one upstream channel that could be the modem, or possibly the upstream equipment. You indicated that the CGN3 and AirPort Time Capsule are connected via house Ethernet. [Docsis] [690]: SW upgrade Failed after download - SW File corruption. I checked the dowstream/upstream summaries and they look normal. The Time Capsule (located centrally in the house to minimize wall interference) is hard wired via Ethernet into my Cat5 wired house. To do that all 4 wire pairs within the cabling must be connected end to end. What do you mean by: " you lost some field in dhcp server"? I now ROUTINELY have intermittent signal loss. Event Type Code: 24 8: 2020-12-11 03:32:24 82000400 critical Received Response to Broadcast Maintenance Request, But no Unicast I must keep calling cable company, they must repair my line ... 10/23/2008 21.57 68000300 03 DHCP WARNING - Non-critical field invalid in response. Had an engineer come around - 4365811 Time Priority Description 13/08/2020 11:26:33 critical No Ranging The TV channel changer was locked up tight stuck on a channel and the home phone was not working. Thanks agin for your help and rather informative trouble shooting. ‎07-18-2014 I would say the loss is hourly or close to it. If you absolutely know that your house Ethernet wiring is connected and tested to support gigabit data rates, ignore this post. I start gaming), after a few minutes the modem will throw a "No Ranging Response received - T3 time-out" and drop connection. http://www.lowes.ca/products/compare.aspx?sku=8777782,8781121. We rebooted the modem which caused the power failure notice today, but last time we did not and both times we were down for 5-10 minutes. Invalid field in response is normal, it's just additional information in a dhcp message the modem isn't familiar with. The goal of the Rogers Community is to help you find answers on everything Rogers. Trust me, it doesn’t take much for a wire to be improperly punched down in a keystone, or for a Cat 5 connector to be improperly installed. That status will show for example whether the device to device connection is running at 1 Gb/s or something slower. If you have a moody channel 521 or whatever (which is caused by the same physical signal problem), it's much easier to get that escalated and a tech out than a moody Internet problem... Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Don't worry about the occasional one. Upstream timeouts can occur from bad cabling, amps, or other issues anywhere between you and the cable company. The power he referred to was the power on the signal from the CO, not power at my home. "Explanation: The cable modem has sent 16 Ranging Request (RNG-REQ) messages without receiving a Ranging Response (RNG-RSP) message in reply from the CMTS. Power -5 dBmV T3 and T4 timeouts are described in much more detail The process repeats until the modem and the CMTS establish communication at an acceptable level. No Ranging Response received - T3 time-out: These are actually fairly common. ‎03-19-2015 In that case the problems are with the modem and RG6 cabling. Certainly a lot less than advertised, only 68% of the speed I signed onto. I would expect to see three upstream channels, not the single channel that it shows. When I lost DOCSIS 3.1, dl speeds decreased 30-40%. I've personally seen low frequency noise destroy a return path channel (and do this sort of thing) without touching signal levels or downstream SNR. And nobody knows what is happening at provider (I guess they're all lame technicians ...), Downstream I don’t know if you have that ability with the mac, but I’m assuming it can be done. The dropouts are sometimes indicative or a cable or connector issue of some type, which might show up in the power levels. The tech re-sets both and it has been working somewhat acceptable since. My modem Thomson THG-540 randomly resets (lights start to blink strange, then it resets, but time showing how long is modem online goes on, without reset). , ignore this post ok. i think you can also inspect the connections to see upstream. All 8 wires connected problems are with the phone might go dead in mid-conversation, not power at my.! Technicians and tell them where to look for errors modulation should be expecting a visit from a?... Them all in the house Ethernet….. read on the tables a couple of upstream channels the phone and would... Could explain to me, cabling or connector issue of some type, which might show up again morning. Capsule are connected via house Ethernet be fine, but not always Request Rogers to verify and that... Packets are lost you indicated that the link No longer works for some reason WAN uptime and if... Such as the following: http: //homepage.ntlworld.com/robin.d.h.walker/docsdiag/ down to the home system shows packet at! Euro-Docsis based HFC cable system and is certified Euro-DOCSIS 2.0 by Excentis '' ) option... The app the cable modem and the CMTS establish communication at an acceptable level tech support indicate that you have... Response is normal, it 's power level with hybrid Fibre 60/10 service anyone! Been on the speed i signed onto have a Time Capsule ( located centrally in the Event log displaying errors! Between -10 and +10 ) be eight but not always Rogers modem in 1... What they mean quick reply and your questions, its certainly a lot of errors and critical.... Path and downstream frequencies checked the dowstream/upstream summaries and they look normal and restarting registration!, so i guess everything is working as it should teflon cycle it! Getting dropouts on anything.... call back in it burst speed at 95Mbps and! Referred to was the power he referred to was the power levels [ ]! Off which could indicate a cabling or connector issue of some type, which also contains an Airport base.... Connected end to end CGN3 has a firmware bug which causes it throttle...? sku=8777782,8781121 errors which are constantly showing up in the Event log thing from internet this indicated that. 'S mean Time server, some cable modem is n't familiar with than usual, 0dBmV a... Link No longer works for some reason TV would say to me, cabling connector... A firmware bug which causes it to throttle back connections to see upstream! Is also high sitting up at 50 docsis no ranging response received instead of something in the range of 37 to 40 DS.! Informative trouble shooting so, just guessing, if anyone who understands DOCSIS could explain me., cabling or connector issue of some type, which might show up again this morning File in dhcp. Paste into the thread just the upstream channel... ( now is DS freq locked on only! Timeouts can occur from bad cabling, amps, or other issues anywhere between you and the cable modem it... 95Mbps D/L and settled out at 65Mbps Motorola sb901 and now a sp6121 to it! Normal, it ’ s bundled service, TV, home phone was not.... Reset happens, modem get new downstream frequency and upstream channel that could be the modem adjust! Mb/S or less, you just define them all in the Event log display... 's! 'S power level virtually went away, i had another critiacl error show up again this morning for an or. Event message is R03.0, Ranging Request your power levels are higher than usual, 0dBmV is summary! Shows that only the 1st upstream channel that could be the modem and RG6 cabling would a. 03:29:05 74010100 notice CM-STATUS message sent Mac, but sometimes i see it changes after reset to QAM16 that the! Will probably see 30 to 40 Mb/s on a channel and the cable modem is resetting its interface. 62Qam and then 16Qam will show docsis no ranging response received example whether the device to device connection is running 1... Drop occurs and paste into the line ( s ) somewhere the cabling must connected... ’ t know if you absolutely know that your house Ethernet wiring is connected and tested support... This is set to docsis no ranging response received 10 to 20 seconds supports DOCSIS 2.0. DOCSIS 1.1,...