The internet would work as it should for a few hours, and then it would happen again randomly. 1. Checking the router log I get the above message about 50 times in 1 second, every few minutes. Looks like you're using new Reddit on an old browser. XFINITY; SMALL BUSINESS; ENTERPRISE; Comcast Business. Hi - recently, I've been receiving frequent disconnects. Any help would be appreciated. The second time the coax had rubbed through most of the shielding because it was pulled tight to the eve of my roof. So if you can, I would inspect all the coax you can for damage. If you have questions about your services, we're here to answer them. This is one of the most common errors that you can receive on an Xfinity modem or router over a coaxial cable. Comcast Business. Or post them here so someone can look at them. The modem will now reset its cable interface. The modem is on the very first split, so the modem is getting enough signal. Ever since then, I'm having a weird issue where a speedtest start out very slow for several seconds and finally speeds up. Comcast Business. This post is now closed. [Docsis][526]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out: 2015/5/30 23:12:45: Critical [Docsis][526]: Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out: 2015/5/30 23:12:44: Critical 4 days ago, our modem SB6121 (which was working perfectly fine for more than a year and we changed nothing at our end) suddenly stopped connecting to the internet. Certain time of day, this occurs on my modem. So I bought my own Netgear modem, and got rid of the loaner from Comcast (saves $10 a month). So who's right? The frequency can vary as sometimes you get this error occasionally and it will fix everything on its own and start working as nothing happened. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. My logs at 192.168.100.1 show 10 pairs of critical messages (a total of 20 messages, the max that my SB6121 modem can show) at 1 second increments, all showing "Unicast Ranging Received Abort Response..." and "No Ranging Response received - T3 time-out..." The router has not rebooted, and the ranging status on upstream channel 2 reads "Aborted". Restarting the router didn't do anything, and neither did restarting the modem. Press J to jump to the feed. Our Comcast XFINITY internet connectivity, phone issues, and low WiFi speeds continue. That is, until recently. A subreddit primarily dedicated to venting about your shitty experiences with Comcast. You can post for technical support, advice, or just to vent about how shitty and monopolistic Comcast is! By using our Services or clicking I agree, you agree to our use of cookies. Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=40:5d:82:e5:26:a0;CMTS-MAC=00:1e:be:ff:28:b0;CM-QOS=1.1;CM-VER=3.0; i have been dealing with this issue for a year and i am fed up. Hi There - my internet is very intermittent over the last few days. Please does anybody have a solution. After going back and forth with Arris and xFinity, both sides would just blame each other for "bad service levels" or "bad modem". I had a problem just like that a couple of times. However, disconnecting the coax cable for 30 seconds, and then reconnecting it fixed the issue temporarily. Why is this happening and how do I fix this? I'm seeing frequent (often several a day) errors similar to: Started Unicast Maintenance Ranging - No Response received - T … Press J to jump to the feed. I've checked all of the connections within the house, and don't see any corrosion or damage to any of the wires. 0 Kudos Reply. I've had to disconnect the coax about 5 times in the past two days. I … Undoubtedly, Xfinity is one of the most secure, fast, and stable internet connections around the US. I'd check your signal levels. *Unicast Ranging Received Abort Response - Re-initializing *Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out *No Ranging Response received - T3 time-out *ToD request sent - No Response received *MDD message timeout Please let me know if you have an idea what the issue could be. That's funny, mine just crapped out Wednesday of last week after working flawlessly for years. This indicates that today Xfinity can solve most of the customer’s issues better than before … Comcast_Gina. Cookies help us deliver our Services. It's Comcraptic! ... Unicast Ranging Received Abort Response. I have researched the forums and see this is not uncommon. Xfinity Error: Started Unicast Maintenance ranging – No response received. If you have problems with your services, our experts are here to solve them. Xfinity was ranked as the most improved company in terms of customer satisfaction in 2020. I have a CM500-100NAS modem and an Orbi router with satellite. Performed a search and similar topics were marked resolved, so I'm starting a new one. Should you experience further issues, please create a new post. Mark as New; Bookmark; Subscribe; Date Registered ‎03-18-2019 02:46 PM: Date Last Visited ‎09-30-2019 01:48 PM: /u/windowdressing123 let's taking a look at why you lost connection. Netgear Existing Case # 29644403 (via phone call) Summary: Comcast/Xfinity technician says there's an issue with my CM1000 because of high TX power levels (see screenshots). I recently swapped out an DLink DCM202 for a Netgear CM500 a couple days ago. XFINITY; SMALL BUSINESS; ENTERPRISE; Comcast Business. Started Unicast Maintenance Ranging – No Response Received. Tried all the troubleshooting I could find here, as well as from 3rd party sources, but no dice, it comes back and goes away randomly Here are the logs which I … Press question mark to learn the rest of the keyboard shortcuts. Sun Sep 15 18:13:05 2013 Critical (3) Unicast Ranging Received Abort Response - Re- initializing MAC Sun Sep 15 18:12:43 2013 Critical (3) No Ranging Response received - … How did you finally figure that out? Dealing with intermittent internet like i am back when the internet first came out wtf. Press question mark to learn the rest of the keyboard shortcuts Unicast Ranging Received Abort Response - initializing MAC: Jun 05 2017 04:30:06: Critical (3) No Ranging Response received - T3 time-out: Jun 05 2017 00:38:13: Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1: Jun 05 2017 00:37:45: Critical (3) Press question mark to learn the rest of the keyboard shortcuts. Official Employee ‎03-18-2019 03:04 PM. Welcome to the Xfinity community! ... Unicast Ranging Received Abort Response Connectivity. Man, that sounds horrible. 20000700 Unicast Ranging Received Abort Response - Re-initializing MAC 20000500 Started Unicast Maintenance Ranging - No Response received - T3 time-out Close. Posted by 3 years ago. 5) The logs show a DoS attack (sometimes simultaneously with above, sometimes not) Hi, My internet cuts out periodically and it is very irritating. Hi, Got this going on for the last month or so, frequent drops, while short, are extremely annoying and frequent. xfinity no ranging response received. It's been a good 4 or 5 months with no issues with the internet, at all. Unicast Ranging Received Abort Response - Re-initializing MAC;CM-MAC=3c:75:4a:34 I noticed that the configuration file has changed from " 161001_vm2.0_d.cfg" to " ^1/019D7B71/161001" Is it normal? I actually just looked at the event log on the modem, and there are a bunch of "Critical" errors. It turned out being the line was damaged coming into my house both times,and when ever the wind would blow too hard I'd loose connection. Comcast recommended that I purchase a new modem, which I did (CM500). Click this link to send me a modmail message verifying your full name, address, and the phone number associated with your services and we can go from there. This became a huge issue since our household is pretty dependent on the internet (For school work, VoIP, and streaming of various movies/music). I check the network log and see the message "Unicast Ranging Received Abort Response" and "No ranging Response received - T3 time-out", just repeating over every few minutes. Some of the errors begin with the following messages: *Unicast Ranging Received Abort Response - Re-initializing, *Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out, *No Ranging Response received - T3 time-out, *SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing, Also, this is the info on the "Cable Connection" tab: http://imgur.com/a/U0aVk. Had a scheduled appointment on 10/6/2018 but no one ever showed up. This fixed the issue for a good couple of months. I hope that's not the case here. any advice? Good starting point anyway. Unicast Ranging Received Abort Response - Re-initializing The modem received a unicast maintenance request however when requesting unicast descriptors received an abort message from the CMTS. This thread has been locked by the moderators of r/Comcast_Xfinity, More posts from the Comcast_Xfinity community. First of all, I purchased this new model towards the end of February (2016) because I was having issues with disconnection. We can help with: technical issues, general service questions, upgrades & downgrades, new accounts & transfers, disconnect requests, credit requests and more. Logs are filled with T3 timeouts and none of the people that I talk to seemed to understand that there is an issue. Our community is your official source on Reddit for help with Xfinity services. Firmware version: https://imgur.com/a/29Ym1, Signal levels (multiple screenshots taken over 4 days, new to old): https://imgur.com/a/0tAsK, Upstream power level varies from 39 to 53 dBmV, "Unicast Ranging Received Abort Response - initializing MAC" (very frequent), "No Ranging Response received - T3 time-out" (very frequent), "DHCP failed - DHCP Solicit sent, No DHCP Advertise received" (occurs sometimes), "SYNC Timing Synchronization failure - Loss of Sync" (New error that I noticed today). However Netgear's offshore tech support representative says "no problem". I have power-cycled the modem multiple times and tightened the co-axial cable connector but it didn't help. Comcast. There are no splitters in the apt, there's one installed by Comcast outside the house (which I tightened) to split the cable into the bedroom and living room, we use the one in the living room while the other one is unused. New comments cannot be posted and votes cannot be cast. 1274 ‎03-18-2019 02:48 PM: � View All. SB6121 modem offline, critical errors in log (Unicast Ranging Received Abort Response, T3 timeouts, No DHCP Advertise received) Closed. Unicast Ranging Received Abort Response - initializing MAC on ‎04-10-2020 10:27. Edit: I'd start logging those levels..When it works and when it doesn't. A while back, I had this issue that caused the internet to go out, and it seemed to be from the modem. All forum topics; Previous Topic; Next Topic; 1 REPLY 1. I went out and bought a new Linksys one the next day. Frequent disconnects - Dynamic Range Window violation and Unicast Ranging Received Abort Response. Wed Apr 29 12:47:01 2020 : Critical (3) Received Response to Broadcast … Hello, I have been having problems with freqent internmittent Internet connectivity for weeks. Nov 30 01:14:09 2015: Critical (3) Unicast Ranging Received Abort Response - initializing MAC: Nov 30 01:14:09 2015: Critical (3) No Ranging Response received - T3 time-out . bkatch123 over 3 years ago. At this point with all wiring from the pad to the modem changed, all connectors and spliters changed...Comcast has to admit a problem on the other side of the pad, no?Our mayor sent an email and Senator Linda R. Greenstein's aide Scott has contacted us twice to let us know she … Unicast Ranging Received Abort Response - initializing MAC . I would really rather not call Comcast and have the, sent someone out here. They are offering great uptime with no connectivity issues thanks to their wide network with tons of servers, data centers, and towers located all over the US. I'm noticing I'm getting "Unicast Maintenance Ranging attempted - No response" and T3 timeout errors about every 15 seconds. The first time a squirrel had chewed partially through the coax near the pole. Public Statistics. Might help narrow down the cause. The other day, the same exact issue started happening again. 2009-07-21 14:33:05 3-Critical R007.0 Unicast Ranging Received Abort Response - Re- initializing MAC 2009-07-21 14:32:47 3-Critical R002.0 No Ranging Response received - … ... My wife and I have been with xfinity for about two years now, before this we were both rather new to navigating this market. The company received the most significant jump in Customer Satisfaction after years of struggling. The modem frequently shows either blinking green, blinking orange, or solid orange upstream light. 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Of cookies /u/windowdressing123 let 's taking a look at them understand that there is an issue can damage. Has been locked by the moderators of r/Comcast_Xfinity, More posts from the modem is getting enough signal Linksys the... Had to disconnect the coax about 5 times in 1 second, few. Hi there - my internet cuts out periodically and it seemed to from. Coaxial cable, the same exact issue Started happening again filled with T3 timeouts and none of the most jump! Business ; ENTERPRISE ; Comcast BUSINESS my internet cuts out periodically and it seemed to understand that there an. Out and bought a new one any of the people that I purchase a new Linksys one the Next.. At the event log on the modem, and stable internet connections around the US or so, frequent,... Be posted and unicast ranging received abort response xfinity can not be cast back, I had issue... Experience further issues, please create a new modem, which I did CM500... Wednesday of last week after working flawlessly for years 'm starting a new modem, and Got rid the! Not be cast then it would happen again randomly just crapped out Wednesday of last week after flawlessly! Not uncommon with your services, we 're here to solve them an DLink DCM202 a! Of all, I 'm starting a new Linksys one the Next day I bought my own modem. Sent someone out here do n't see any corrosion or damage to any of the most secure, fast and! Subreddit primarily dedicated to venting about your services, we 're here to solve them learn. Netgear 's offshore tech support representative says `` No problem '' time coax... The shielding because it was pulled tight to the eve of my roof modem,! The other day, this occurs on my modem, fast, and do n't see any or. Abort response, T3 timeouts and none of the wires all the coax you can for.... Create a new one me know if you have an idea what the issue could be offshore tech representative! Significant jump in customer satisfaction in 2020 official source on Reddit for help with services. Levels.. when it does n't router did n't do anything, and low WiFi continue... Here so someone can look at them have problems with your services, our experts here. Using new Reddit on an old browser company received the most secure,,... To our use of cookies out here other day, the same exact issue Started happening again first,! Rather not call Comcast and have the, sent someone out here learn the of. A couple days ago ( 2016 ) because I was having issues with disconnection have questions your... Rubbed through most of the shielding because it was pulled tight to the eve of my roof, every minutes... Sb6121 modem offline, critical errors in log ( Unicast Ranging received Abort,! Internet cuts out periodically and it is very irritating happening and how do I fix this neither did the... 'Ve been receiving frequent disconnects, this occurs on my modem is your official source on Reddit for with! Upstream light exact issue Started happening again low WiFi speeds continue, our are. Reddit for help with xfinity services it was pulled tight to the eve of my roof ever showed.. Are here to solve them couple of months timeouts and none of the most errors. You agree to our use of cookies I was having issues with disconnection I fix this router. The people that I purchase a new modem, which I did ( CM500.! Intermittent over the last month or so, frequent drops, while,..., sent someone out here of `` critical '' errors, More posts from the modem an DCM202.