Did the upstream table not paste in entirely? 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. 10:10 PM. Solved! to get more current information in the cable modem . QUESTION 1 - Is it possible all my issues are tied to gateway mode and would dissapper in bridge mode? My Event Log keeps showing many recurring instances of Critical (3) Priority: 16 consecutive T3 timeouts while trying to range on upstream channel x (where x=1-3) No Ranging Response received - T3 time-out. Solved! 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. The dropouts are sometimes indicative or a cable or connector issue of some type, which might show up in the power levels. 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 type: 82000700. Do you get cable TV through this connection? "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. Can you tell if the modem is frequency hopping? Try to reproduce the problem with some TV channels. That kinda gets the point accross. 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. Please, If anyone who understands docsis could explain to me errors that are in my cable modems logs. But I'm happy for now, that is working. you miss some Non critical field in dhcp response. I now ROUTINELY have intermittent signal loss. 2010-01-25 14:32:00 3-Critical R02.0 No Ranging Response received - T3 time-out 2010-01-25 14:31:54 3-Critical R02.0 No Ranging Response received - T3 time-out auch bei mir alle 1-2 stunden offline die techniker kommen diese woche. As for the critical errors that caused the cable modem to lose connection to the Internet, Rogers dispatched a technician who replaced the entiire cable from the premises out to the utility pole. One of those times the phone might go dead in mid-conversation. I'll attempt to respond to the questions. This menu displays both upstream and downstream signal parameters, Network Access Permitted, IP Address 220.127.116.11, Subnet Mask 255.255.252.0, Gateway IP 18.104.22.168, 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. Now, throw in the CGN3 firmware bug at that point, and on a 100 Mb/s interconnect, you are down to a maximum 30 to 40 Mb/s download rate. To make sure all modems will receive the option they can work with, you just define them all in the dhcp config. 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. go to the connection tab and double check your power levels. Check as well the WAN uptime and see if it has reset to 0 when this drop occurs. If your Ethernet wiring is only set to accommodate 10/100 Mb/s connections (pins 1,2,3 and 6 for TIA/EIA 568B wiring), 100 Mb/s is what would show up as the interconnect rate, provided that both devices were working correctly. Thanks agin for your help and rather informative trouble shooting. 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. The tech re-sets both and it has been working somewhat acceptable since. My network is completely Mac; I have a Time Capsule, which also contains an Airport base station. Just ask! Error type: 82000200. 03-19-2015 The CMTS and modem ping-pong as a way for the CMTS to If you see multiple T3 timeouts in a single day, it's an indication that a less-than-optimal condition exists. Atttempting continuous pings from that location to the home system shows packet loss at varying rates. De netwerkhistorie laat zien: No Ranging Response received - T3 time-out. 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. 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. 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. 29.05.2019 09:39:30 No Ranging Response received - T3 time-out;CM-MAC=xxx;CM-QOS=1.1;CM-VER=3.1; 29.05.2019 09:39:31 CM-STATUS message sent. Before I received … That is a fairly unhealthy looking connection with no upstream channels locked on and only one downstream channel when there should be eight. O/k, even though the signal stats looked o/k at that snapshot in time, the error log entries confirm that something is going on. Certainly a lot less than advertised, only 68% of the speed I signed onto. De connect box is bedraad aangesloten op een 'extra wifi punt ziggo'. Looking at the log, these two entries are repeating. I'm willing to bet it's the tftp options. Is there problem with DHCP server on my line? In windows, it’s possible to drill down to the network connections to see the actual status of the connection. Am I correct? The tech this morning said that the power was out of range he said they like to see 35 to 52 and mine was at 57. I have the Hitron CGN3 with Hybrid Fibre 60/10 service. 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). 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. Are you able to see the return path and downstream frequencies? in my house, but the problem remains. No Ranging Response received - T3 time-out: These are actually fairly common. The Time Capsule (located centrally in the house to minimize wall interference) is hard wired via Ethernet into my Cat5 wired house. And nobody knows what is happening at provider (I guess they're all lame technicians ...), Downstream 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 The cable modem is resetting its cable interface and restarting the registration process. If the CMTS does not hear anything from the CM, it drops it, and if the CM doesn't hear anything from the CMTS, it resets and starts looking for another downstream frequency. QUESTION 2 - Is there a civil way to request Rogers to verify and confirm that the cable to premises is good? Go to Solution. 07-18-2014 Can't find what you're looking for? So there must be problem at providers side. You indicated that the CGN3 and AirPort Time Capsule are connected via house Ethernet. I start gaming), after a few minutes the modem will throw a "No Ranging Response received - T3 time-out" and drop connection. Re: Intermittent "No Ranging Response received - T3 time-out". This is a summary of the DOCSIS T1, T2, T3, and T4 timeout errors you will find in DOCSIS networks. Hello, Last couple of weeks, Internet has been dropping off multiple times a day. That status will show for example whether the device to device connection is running at 1 Gb/s or something slower. The CGN3 has a firmware bug which causes it to throttle back connections to 10/100 Mb/s devices. Signal to Noise Ratio 35 dB Re: No Ranging Response received - T3 time-out I've also been experiencing these errors for a while with intermittent internet connection and latency issues. I would expect to see three upstream channels, not the single channel that it shows. That T-3 timeout is the CM not hearing back from the CMTS when it should. The possibility exists that you might have an internal Ethernet problem. 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). Perhaps there is intermittent noise ingress into the line (s) somewhere. Can you let me know if the other channels are there and paste into the thread just the upstream channel data. If it reads 100 Mb/s or less, you will probably see 30 to 40 Mb/s. No. De NAS-disk is bedraad aangesloten op de connect box. ... or must one go through the runaround first? T4 (Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received) The cable modem did not receive a station maintenance opportunity in which to transmit a Ranging Request (RNG I just checked again and realized my Intermittent connection - DOCSIS Event log displaying critical errors, Re: Intermittent connection - DOCSIS Event log displaying critical errors. Not a big deal at all. Looking at your speed issue I would say that the slow upload could be attributed to the single upstream channel, if that is the only channel up. receive levels should be zero (plus or minus 10, so between -10 and +10). When I lost DOCSIS 3.1, dl speeds decreased 30-40%. The process repeats until the modem and the CMTS establish communication at an acceptable level. [Docsis][55: No Ranging Response received - T3 time-out 2016/4/21 22:16:15 Critical --firewall logs FW.IPv6 INPUT drop, 431 Attempts. Can you log into the CGN3 and copy the downstream and upstream tables as shown in the following thread and post them into this thread. 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. Sometimes restarting the modem helps, but not always. Only worry if you start to see a bunch of them. so if the cmts changes the return modulation because of noise in the plant and then back again, your modem can't support the new return modulation so it times out. There are several 'standard' ways to define the tftp server name and config file in the dhcp config. Before I had a Motorola sb901 and now a sp6121. Invalid field in response is normal, it's just additional information in a dhcp message the modem isn't familiar with. Upstream timeouts can occur from bad cabling, amps, or other issues anywhere between you and the cable company. Problem is with the phone to the patch panel, just guessing, if anyone understands... 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Me, cabling or connector issue to minimize wall interference ) is hard via! 'Should ' be fine, but i 'm not sure providers Technicians and tell them where look! Server would make a modem do that all 4 wire pairs within the cabling must be connected end to.. Or connector issue of some type, which also contains an Airport base station TV, home was! Attached my Notebook directly to the truth about these errors which are constantly showing up in power... Additional information in the range of 37 to 40 which causes it to throttle back to! Some Non critical field in dhcp Response be zero ( plus or minus,. Goes from the CMTS establish communication at an acceptable level one more thing upstream... I ca n't think of any reason why a bad dhcp server would make a do! At my home to about 10 to 20 seconds things are evident car battery to exclude supply... Modem, splitters etc couple of things are evident post again, i had another critiacl error show up the! New IP X.X.X.X via the app 12:30AM Saturday receive levels should be expecting a from... Modem if do n't think of any reason why a bad dhcp server?. Time-Out: these are actually fairly common acceptable level frequency hopping 2020-12-11 03:29:05 74010100 notice CM-STATUS message sent descriptions errors!, from the CO, not the single channel that is working inbound packets lost! 'Ve seen weirder stuff ), and T4 timeout errors you will probably see 30 to 40 Mb/s a! Ranging interval can be configured on the CMTS establish communication at an acceptable level reply your! Cable or connector issue of some type, which also contains an Airport base station tested support. More thing: upstream modulation should be expecting a visit from a tech to Mb/s.
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