Comcast Voice Routing Contact?

Apologies for cross-post - no luck using the VoiceOps list. Sent to VO 04/10: Hello, we have a fun issue we are attempting to troubleshoot with an end user having problems reaching local businesses utilizing Comcast (unsure if the end product is POTS over Coax or VoiceEdge). SPID: Comcast IP

Re: Out of ideas - Comcast issue BGP peering with Tata

Depends on your definition of “RIR holder ship”. ALL (legitimate) prefixes are delegated/registered by an RIR at some level. However, some of them are non-contract and/or non-paid. APNIC is, I believe, the only RIR that eliminated all non-contract registrants. I’m not sure of the exact

Re: Out of ideas - Comcast issue BGP peering with Tata

Hi friend, Any idea how many segments are in routing table which are still not part of RIR holder ship ? Regards, Gaurav Kansal > On 22-Nov-2023, at 07:40, nanog@nanog.org wrote: > >> >>> Special note, deprecation of non-authoritative registries >>> >>> Please note that 'route' and

Re: Out of ideas - Comcast issue BGP peering with Tata

> >> Special note, deprecation of non-authoritative registries >> >> Please note that 'route' and 'route6' objects created after 2023-Aug-15 in >> non-authoritative registries like RADB, NTTCOM, ALTDB won't be processed. It >> is recommended to create RPKI ROA objects instead. In rare cases if

Re: Out of ideas - Comcast issue BGP peering with Tata

On Fri, 17 Nov 2023 at 15:17, Jamie Chetta via NANOG wrote: > > I am out of ideas on how to get this fixed. Long story short I am a customer > of Comcast and am advertising my own /24 block I own through them. Comcast > of course BGP peers with multiple ISPs. Other ISPs are

Re: Out of ideas - Comcast issue BGP peering with Tata

Is your IRR and RPKI roas all squared away? On Fri, Nov 17, 2023, 8:12 AM Diego Eduardo Zorrilla Fierro (diefierr) via NANOG wrote: > Im not sure, just thinking, maybe is a thing with the /24. Is it possible > to you get from Comcast maybe a /22 ?? > > > > Regards >

Re: Out of ideas - Comcast issue BGP peering with Tata

Im not sure, just thinking, maybe is a thing with the /24. Is it possible to you get from Comcast maybe a /22 ?? Regards Diego From: NANOG on behalf of Mike Hammett Date: Friday, November 17, 2023 at 09:51 To: Jamie Chetta Cc: nanog@nanog.org Subject: Re: Out of ideas - Comcast issue BGP

Re: Out of ideas - Comcast issue BGP peering with Tata

> > Comcast has to be the one contacting them > This is the correct answer. It's pretty straight forward ; Comcast needs to get with Tata, say "hey, I'm announcing prefix FOO to you, your LGs don't look like you're accepting it. Can we figure out why?" On Fri, Nov 17, 2

Re: Out of ideas - Comcast issue BGP peering with Tata

NANOG" To: nanog@nanog.org Sent: Friday, November 17, 2023 8:17:42 AM Subject: Out of ideas - Comcast issue BGP peering with Tata I am out of ideas on how to get this fixed. Long story short I am a customer of Comcast and am advertising my own /24 block I own through them. Comcast of course

Re: Out of ideas - Comcast issue BGP peering with Tata

I many years ago worked at Tata, responsible for their BGP, they are giving you the right answer, Comcast has to be the one contacting them, as then both sides can see what is being sent and received and can resolve this issue. -jim On Fri, Nov 17, 2023 at 10:04 AM Jamie Chetta via NANOG wrote

Out of ideas - Comcast issue BGP peering with Tata

I am out of ideas on how to get this fixed. Long story short I am a customer of Comcast and am advertising my own /24 block I own through them. Comcast of course BGP peers with multiple ISPs. Other ISPs are accepting my prefix just fine, except Tata. This is causing random destinations

Re: Comcast contact sought

It's a fraud tactic as far as I'm concerned, they markup internet only into the hundreds of dollars a month, but if you bundle with security edge it's very affordable, except after 12-36 months now it is even more expensive than if you had just let them screw you initially. On Mon, Sep 25, 2023,

Re: Comcast contact sought

> I have been trying to assist someone with a business connection that runs a > server farm. Recently the business cable modem started to short-stop port 53 > for UDP and TCP. Apparently, a transparent DNS proxy somehow got activated > and all outbound traffic to any IPv4 or IPv6 address is

Re: Comcast contact sought

I've been down this road many times before. You need to find your local account manager/sales rep and ask them to remove the coding from the account. This may result in losing the bundle price, so pair it with a different service like Comcast Connection Pro or something like that. Should keep

Re: Comcast contact sought

ity Edge is horrible? Disabling it costs more. Don't need a phone number so Comcast can pad their numbers to the FCC? It'll cost you more. Same with not needing cable TV for your business. It costs you more because Comcast can't use you as a bargaining chip when negotiating with other media co

Comcast contact sought

I am looking for a senior contact at Comcast. I have been trying to assist someone with a business connection that runs a server farm.  Recently the business cable modem started to short-stop port 53 for UDP and TCP.  Apparently, a transparent DNS proxy somehow got activated and all outbound

L4S Trials (Comcast) & Inter-Domain Marking

FYI on two related items of interest to this list. 1 – If you are a Comcast customer, consider volunteering for our upcoming low latency networking trials (using IETF L4S). See my blog post at https://corporate.comcast.com/stories/comcast-kicks-off-industrys-first-low-latency-docsis-field-trials

Re: Test Dual Queue L4S (if you are on Comcast)

ilerplate. > > > > From: "Livingood, Jason" > Date: Friday, June 16, 2023 at 15:46 > To: "Eric C. Miller" , nanog > Subject: Re: [EXTERNAL] RE: Test Dual Queue L4S (if you are on Comcast) > > > > We’re working to fix that. Sorry! > > > >

RE: Test Dual Queue L4S (if you are on Comcast)

In the meantime please just select some unrelated industry on the form. We don’t care – it seems to be boilerplate. From: "Livingood, Jason" Date: Friday, June 16, 2023 at 15:46 To: "Eric C. Miller" , nanog Subject: Re: [EXTERNAL] RE: Test Dual Queue L4S (if you are on Com

Re: [EXTERNAL] RE: Test Dual Queue L4S (if you are on Comcast)

We’re working to fix that. Sorry! From: "Eric C. Miller" Date: Friday, June 16, 2023 at 15:18 To: Jason Livingood , nanog Subject: [EXTERNAL] RE: Test Dual Queue L4S (if you are on Comcast) FYI, when trying to sign up, it tells me that my input isn’t required because I work in

RE: Test Dual Queue L4S (if you are on Comcast)

FYI, when trying to sign up, it tells me that my input isn’t required because I work in the telco industry. Eric From: NANOG On Behalf Of Livingood, Jason via NANOG Sent: Friday, June 16, 2023 2:30 PM To: nanog Subject: Test Dual Queue L4S (if you are on Comcast) FYI that today we (Comcast

Test Dual Queue L4S (if you are on Comcast)

FYI that today we (Comcast) have announced the start of low latency networking (L4S) field trials. If you are a customer and would like to volunteer, please visit this page<https://www.xfinityinsightscommunity.com/register/start/f4f1ea42-247c-44f1-bea0-c2d7178cfe00>. For mor

RE: Comcast Business Account Website Broken

- From: NANOG On Behalf Of Matt Hoppes Sent: Wednesday, June 14, 2023 1:21 PM To: North American Network Operators' Group Subject: Comcast Business Account Website Broken This Message originates from outside Bryant Bank. Please use caution when opening this correspondence, attachments

Re: Comcast Business Account Website Broken

h the site and ended up creating too much data in one or more cookies. -A On Wed Jun 14, 2023, 06:20 PM GMT, Matt Hoppes <mailto:mattli...@rivervalleyinternet.net> wrote: > For the last two weeks we have been unable to pay any bills on the > business Comcast website. > > Clicking

Comcast Business Account Website Broken

For the last two weeks we have been unable to pay any bills on the business Comcast website. Clicking on any billing link results in: 400 Bad Request Request Header Or Cookie Too Large This is going to the URL of: https://business.comcast.com/oauth/oauth2/authorize?client_id=comcast-business

Looking for sales from comcast

Hello guys, Our company is looking for a way to get IP Transit from comcast, can someone give me the email of their sales team? Also, does anyone know about whether AT-Tand T-Mobile provide IP Transit or not? Best wishes,

[NANOG-announce] Monday's N87 Keynote will ft. Elad Nafshi from Comcast + Road Less Traveled: Alex Latzko + More

*Monday's Keynote will ft. Elad Nafshi from Comcast* *Presenting "The Future is Now: Delivering the Next Generation Brilliant Network"* Elad Nafshi will share how 10G network technologies are evolving connected experiences in real-time, even as they continue to get smarter, faster, mor

Monday's N87 Keynote will ft. Elad Nafshi from Comcast + Road Less Traveled: Alex Latzko + More

*Monday's Keynote will ft. Elad Nafshi from Comcast* *Presenting "The Future is Now: Delivering the Next Generation Brilliant Network"* Elad Nafshi will share how 10G network technologies are evolving connected experiences in real-time, even as they continue to get smarter, faster, mor

Re: Comcast circuit guru lurking?

if it's an EPL they default to 2000 mtu max, if you want jumbo frames they must be requested with your sales person On Wed, Dec 14, 2022 at 10:39 AM Bryan Holloway wrote: > Looking for some help or direction with MTU issues on a recently > installed point-to-point circuit. > > Attempts to

Comcast circuit guru lurking?

Looking for some help or direction with MTU issues on a recently installed point-to-point circuit. Attempts to rectify have involved front-line PMs/folks who don't grok the problem. Please contact me off-list, thank you!! - bryan

RE: Looking for contact within Comcast Xfinity

Michael, Please contact me off-list and I'll see if I can be of any help. -- Alex Brotman Sr. Engineer, Anti-Abuse & Messaging Policy Comcast > -Original Message- > From: NANOG On > Behalf Of Michael Brown > Sent: Monday, August 22, 2022 4:18 PM > To: North America

Re: Looking for contact within Comcast Xfinity

Comcast also molests SIP. From: NANOG on behalf of "Aaron C. de Bruyn via NANOG" Reply-To: "Aaron C. de Bruyn" Date: Tuesday, August 23, 2022 at 7:47 AM To: Michael Brown Cc: North American Network Operators' Group Subject: Re: Looking for contact within Co

Re: Looking for contact within Comcast Xfinity

: > If anyone from Comcast Xfinity is on this list, can you please reach out > to me? > > We're getting increased reports of xFi Advanced Security customers being > unable to access hosted sites and attempting to open tickets has had no > success. > > Thanks, > > Michael Brown > >

Looking for contact within Comcast Xfinity

If anyone from Comcast Xfinity is on this list, can you please reach out to me? We're getting increased reports of xFi Advanced Security customers being unable to access hosted sites and attempting to open tickets has had no success. Thanks, Michael Brown

Re: Reporting Comcast outside plant issues?

nnel/UCXSdfxQv7SpoRQYNyLwntZg> ------ > From: "Jay Hennigan" > To: nanog@nanog.org > Sent: Monday, June 27, 2022 12:07:16 PM > Subject: Re: Reporting Comcast outside plant issues? > > On 6/26/22 19:27, Justin Streiner wrote: > > D

Re: Reporting Comcast outside plant issues?

- Original Message - From: "Jay Hennigan" To: nanog@nanog.org Sent: Monday, June 27, 2022 12:07:16 PM Subject: Re: Reporting Comcast outside plant issues? On 6/26/22 19:27, Justin Streiner wrote: > Does anyone here have a contact at Comcast for reporting outside pl

Re: Reporting Comcast outside plant issues?

On 6/26/22 19:27, Justin Streiner wrote: Does anyone here have a contact at Comcast for reporting outside plant issues that are not (at the moment) service-affecting? I am not a Comcast customer, and they make it nearly impossible for non-customers to reach them unless you're signing up

Re: Reporting Comcast outside plant issues?

Thank you to everyone who responded off-list. I was able to get a repair ticket opened with Comcast and they will be dispatching a crew to take a look. Thank you jms On Sun, Jun 26, 2022 at 10:27 PM Justin Streiner wrote: > Does anyone here have a contact at Comcast for reporting outs

Re: Reporting Comcast outside plant issues?

You have to find the local "Damage Prevention" guy. You might call the county engineer office and see what they have for permits (for Comcast) in the area and call that guy. You might also find out the owner of the poles, often the power company but maybe the phone company. On Sun, Ju

Reporting Comcast outside plant issues?

Does anyone here have a contact at Comcast for reporting outside plant issues that are not (at the moment) service-affecting? I am not a Comcast customer, and they make it nearly impossible for non-customers to reach them unless you're signing up for service. There is a long coax span (2-300

Re: Comcast Rolling Outages

Exchange The Brothers WISP - Original Message - From: "Glenn Kelley" To: "Mike Hammett" Cc: "North American Network Operators' Group" Sent: Thursday, June 16, 2022 9:46:00 AM Subject: Re: Comcast Rolling Outages Mike - There are a lot of rolling p

Re: Comcast Rolling Outages

Mike - There are a lot of rolling power outages. Thus the reason for the overheating most likely as gear, while on battery backup, generally lacks the cooling capacity. Horizon, Comcast, Wow/Breezeway apparently are doing the same across the Columbus Marketing in Ohio as well. *Glenn S. Kelley

Re: Comcast Rolling Outages

nigan" To: nanog@nanog.org Sent: Wednesday, June 15, 2022 4:20:40 PM Subject: Re: Comcast Rolling Outages On 6/15/22 14:03, Mike Hammett wrote: > I recently saw this on Facebook: > > BREAKING: Some Xfinity/Comcast users are getting a message in the > Chicago and Springf

Re: Comcast Rolling Outages

On 6/15/22 14:03, Mike Hammett wrote: I recently saw this on Facebook: BREAKING: Some Xfinity/Comcast users are getting a message in the Chicago and Springfield, Illinois markets that they are shutting down Internet service until 11:15 PM this evening due to overheating equipment

Comcast Rolling Outages

I recently saw this on Facebook: BREAKING: Some Xfinity/Comcast users are getting a message in the Chicago and Springfield, Illinois markets that they are shutting down Internet service until 11:15 PM this evening due to overheating equipment... Update: some areas are doing rolling

Re: Comcast Network Peer Survey on DSCP/ECN for L4S

values, even for packets that do not traverse the shaped interfaces. - Jared > On Jun 10, 2022, at 9:31 AM, Livingood, Jason via NANOG > wrote: > > Hi – Comcast is working on the implementation of ultra-low latency > networking, leveraging the IETF’s upcoming L4S standard

Re: Comcast Network Peer Survey on DSCP/ECN for L4S

I would argue that question 9 needs an option of "Both". Secondly, two additional good questions to ask would be: are the ECN values presently being treated as RFC3168? Are the ECN values being modified by any AQM implementations (WRED, FQ_CODEL, etc) on any switch or router in transit?

Comcast Network Peer Survey on DSCP/ECN for L4S

Hi – Comcast is working on the implementation of ultra-low latency networking, leveraging the IETF’s upcoming L4S standard. This standard will require passing ECN and DSCP markings across network boundaries. As a result, we are interested in your perspective on this and in how you handle

Comcast: "Reloading Statics" today

Just a heads-up for the Comcast crew lurking here... I've had 3 different cable connections (Oregon and Washington State) go down in the last ~1.5 hours. Staff on-site have tried rebooting the modem with no success. When we call support, they say something along the lines of "huh, that'

Re: AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program

n Donelan wrote: > >> >> AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program >> Providers will help offer high-speed internet to millions of households >> under the infrastructure law >> >> >> https://www.wsj.com/articles/internet-

Re: AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program

On Mon, May 9, 2022 at 10:32 AM Sean Donelan wrote: > > AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program > Providers will help offer high-speed internet to millions of households > under the infrastructure law > > > https://www.wsj.com/articles/internet-pr

AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program

AT, Comcast, Verizon, Others Commit to Low-Income Broadband Program Providers will help offer high-speed internet to millions of households under the infrastructure law https://www.wsj.com/articles/internet-providers-commit-to-low-income-broadband-program-under-infrastructure-law-11652086801

Re: Comcast/Florida

raldtribune.com/story/news/local/2022/04/25/comcast-outage-no-internet-florida/7446019001/ > >> On 4/25/22 15:34, Joe Carroll wrote: >> Comcast in Florida > -- > JeffP >

Re: Comcast/Florida

Joe- Another wayward backhoe strikes again.. https://www.heraldtribune.com/story/news/local/2022/04/25/comcast-outage-no-internet-florida/7446019001/ On 4/25/22 15:34, Joe Carroll wrote: Comcast in Florida -- JeffP

Comcast/Florida

Anyone have insight into what’s happening with Comcast in Florida today? Massive outages…

Re: PoE, Comcast Modems, and Service OutagesPyle

On 3/31/22 8:40 AM, Abraham Y. Chen wrote: 3)    So, it is possible that the site with the reported "PoE induced" issues may be somehow experiencing the above related phenomena. This kind of situations are almost impossible to duplicate at another site. It has to be diagnosed with pains-taking

Re: PoE, Comcast Modems, and Service OutagesPyle

Hi, Colleagues: 0)    I would like to share a personal experience of a different setting to offer an angle for looking into this puzzling topic. 1)    During my graduate study, I was doing microwave experiments in the laboratory. On a six foot bench, I had a series (maybe a dozen or so) of

Re: PoE, Comcast Modems, and Service Outages

On Wed, Mar 30, 2022 at 05:52:06PM +, Livingood, Jason wrote: > > Their crappy equipment needing rebooting every few weeks, not ridiculous. > > Their purchasing gear from incompetent vendors who cannot be standards > compliant for PoE PD negotiation, tragically plausible. > > Many

Re: PoE, Comcast Modems, and Service Outages

at's measurable in terms of s/n ratio and it's on the outside plant HFC side. But noise doesn't "build up", and PoE is DC, and PoE is on the LAN side, separated from Comcast's equipment by a router. Level 1 Comcast guy is simply wrong. -- Jay Hennigan - j...@west.net Network Engi

Re: PoE, Comcast Modems, and Service Outages

Thanks Jason—they are all are business connections. I know they can be restarted through the business portal, but honestly the business portal is terrible for large clients. Not all our connections are listed under the same account due to something with Comcast and the way "regions" a

Re: PoE, Comcast Modems, and Service Outages

On 3/30/22 09:53, Grant Taylor via NANOG wrote: On 3/29/22 2:19 PM, Aaron de Bruyn via NANOG wrote: When you hear hoof beats, look for horses, not zebras. As someone with a family member that is a zebra from a health perspective, I follow up with: Yes, /look/ for horses when you hear hoof

Re: PoE, Comcast Modems, and Service Outages

> I asked him to remotely reboot the modem because there was high packet loss. FWIW, as a customer (assuming residential), you can login to the website and check for area outages/impairments at https://www.xfinity.com/support/status-map. You can also use the Xfinity app to remotely reboot

Re: PoE, Comcast Modems, and Service Outages

> Their crappy equipment needing rebooting every few weeks, not ridiculous. > Their purchasing gear from incompetent vendors who cannot be standards compliant for PoE PD negotiation, tragically plausible. Many customers buy their own cable modem. You can lease an Xfinity device as well and

Re: PoE, Comcast Modems, and Service Outages

On 2022-03-30 12:53 p.m., Grant Taylor via NANOG wrote: We've run into too many people who hear hoof beats, assume horses, and proceed as if zebras are absolutely not a possibility. I'll never forget my first major escalation as a young engineer, on a phone call with multiple angry

Re: PoE, Comcast Modems, and Service Outages

On 3/29/22 3:46 PM, Joe Greco wrote: So if you want the $100 test to eliminate PoE electrical effects, get a pair of media converters and run fiber between them. Put the CPE on the far end. Optimize as appropriate if you have SFP-capable switches. I second this. I'd also be willing to get

Re: PoE, Comcast Modems, and Service Outages

On 3/29/22 2:19 PM, Aaron de Bruyn via NANOG wrote: When you hear hoof beats, look for horses, not zebras. As someone with a family member that is a zebra from a health perspective, I follow up with: Yes, /look/ for horses when you hear hoof beats, but -- and this is the important thing --

Re: PoE, Comcast Modems, and Service Outages

> he said I needed to disable PoE because it messes with the Comcast > modems and he can see "buildups" in his graphs that show power is > "leaking" to the Comcast modem every 24 hours. revealing the critical failure with comcast support; they do not share what th

Re: PoE, Comcast Modems, and Service Outages

- On Mar 29, 2022, at 2:46 PM, Joe Greco jgr...@ns.sol.net wrote: Hi, > So if you want the $100 test to eliminate PoE electrical effects, get > a pair of media converters and run fiber between them. Put the CPE on > the far end. Optimize as appropriate if you have SFP-capable switches.

Re: PoE, Comcast Modems, and Service Outages

not. I’ve had some techs replace splitters or make custom length user cables. And yes, the RF stats I mentioned are all on the HFC interface of the cable modem (or the CMTS). Customer facing Ethernet stats may not even be tracked by Comcast. --Blake > On Mar 29, 2022, at 5:29 PM, Aaron de Br

Re: PoE, Comcast Modems, and Service Outages

k of a programmable thermostat kicking on the blower fan in your HVAC at the same time every day). As Joe said, there's no SNMP MIB for PoE buildup. There are well documented MIBs for DOCSIS to cover standard signal level, quality, or similar. The cause of that signal strength or quality can be

Re: PoE, Comcast Modems, and Service Outages

As Joe said, there's no SNMP MIB for PoE buildup. There are well documented MIBs for DOCSIS to cover standard signal level, quality, or similar. The cause of that signal strength or quality can be myriad. This Comcast tech has likely climbed the ladder of inference several steps too far.

Re: PoE, Comcast Modems, and Service Outages

On 3/29/22 2:24 PM, Aaron C. de Bruyn wrote: On Tue, Mar 29, 2022 at 12:20 PM Brie > wrote: Unifi/EdgeSwitch? Yeah.  Unfortunately.  USW-24-250. Oh, I have quite a few of them in service. They work great in my experience as long as you don't shove them in hot

Re: PoE, Comcast Modems, and Service Outages

> On Mar 29, 2022, at 5:46 PM, Joe Greco wrote: > > So if you want the $100 test to eliminate PoE electrical effects, get > a pair of media converters and run fiber between them. Put the CPE on > the far end. Optimize as appropriate if you have SFP-capable switches. > > ... JG > — Bingo

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 11:21:28AM -0700, Aaron de Bruyn via NANOG wrote: When I said "yes", he said I needed to disable PoE because it messes with the Comcast modems and he can see "buildups" in his graphs that show power is "leaking" to the Comcast modem every 2

Re: PoE, Comcast Modems, and Service Outages

On 2022-03-29 5:46 p.m., Joe Greco wrote: On Tue, Mar 29, 2022 at 03:42:54PM -0400, Josh Luthman wrote: There's a certain manufacturer of TDD radio where the CPU clock is at the same frequency as what Verizon's enodeB will transmit. Even at miles away, it can and will cause PIM issues. Again,

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 1:12 PM Joe Greco wrote: > So if you want the $100 test to eliminate PoE electrical effects, get > a pair of media converters and run fiber between them. Put the CPE on > the far end. Optimize as appropriate if you have SFP-capable switches. Sure--that would shoot

Re: PoE, Comcast Modems, and Service Outages

On 3/29/22 11:21, Aaron de Bruyn via NANOG wrote: I just got off the phone with a Comcast tech, and wanted to double-check my sanity. Somehow in the last 6 months I've managed to reach the exact same rep twice when dealing with an outage or a degraded service event. I asked him to remotely

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 12:20 PM Brie wrote: > Unifi/EdgeSwitch? > Yeah. Unfortunately. USW-24-250. > Yeah, you know when 24v passive POE is turned on because it kills the > port on the other end that aren't designed to handle it. Your router > would likely have a dead eth port on it. >

Re: PoE, Comcast Modems, and Service Outages

went like this: "Thank you for calling Comcast this is , how can I help you?" "Hey, can you remotely reboot the modem on account 12345? We're seeing high packet loss and latency starting about 10 minutes ago." "Yeah...uh...do you have a PoE switch at that location?"

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 03:42:54PM -0400, Josh Luthman wrote: > There's a certain manufacturer of TDD radio where the CPU clock is at the > same frequency as what Verizon's enodeB will transmit. Even at miles away, > it can and will cause PIM issues. Again, don't rule it out. I'm not ruling

Re: PoE, Comcast Modems, and Service Outages

There's a certain manufacturer of TDD radio where the CPU clock is at the same frequency as what Verizon's enodeB will transmit. Even at miles away, it can and will cause PIM issues. Again, don't rule it out. Maybe he's just looking for a simple answer that 99% of callers will accept and it

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 03:07:47PM -0400, Josh Luthman wrote: > We've routinely seen where lines not even connected to the same circuit in > any way (ie an OTA antenna coax line and cat5 POE) cause issues with one > another. As much as we would all love to have a perfect line in the sand, > there

Re: PoE, Comcast Modems, and Service Outages

' his call resolution stats. Lucky you! When I said "yes", he said I needed to disable PoE because it messes with the Comcast modems and he can see "buildups" in his graphs that show power is "leaking" to the Comcast modem every 24 hours. I jus

Re: PoE, Comcast Modems, and Service Outages

t; I just got off the phone with a Comcast tech, and wanted to double-check > my > > sanity. > > > > Somehow in the last 6 months I've managed to reach the exact same rep > twice > > when dealing with an outage or a degraded service event. > > > > I asked him

Re: PoE, Comcast Modems, and Service Outages

On Tue, Mar 29, 2022 at 11:21:28AM -0700, Aaron de Bruyn via NANOG wrote: > I just got off the phone with a Comcast tech, and wanted to double-check my > sanity. > > Somehow in the last 6 months I've managed to reach the exact same rep twice > when dealing with an outage or a d

PoE, Comcast Modems, and Service Outages

I just got off the phone with a Comcast tech, and wanted to double-check my sanity. Somehow in the last 6 months I've managed to reach the exact same rep twice when dealing with an outage or a degraded service event. I asked him to remotely reboot the modem because there was high packet loss

Looking for a BGP/Routing/NOC contact at Comcast Business...

...regarding a hijacked network. If someone could contact me off-list, I would appreciate it. I've tried ab...@comcast.net and cnoc_corenetworkoperati...@cable.comcast.com with no luck.

Re: What’s up with Comcast in Philadelphia area

There’s a huge thread on the outages.org mailing list. -mel > On Nov 9, 2021, at 6:31 AM, Jason Canady wrote: > It's also affecting the Midwest. No update on what's going on. > > On 11/9/21 9:25 AM, Justin Keller wrote: >> Hello. >> Anyone know what's up with Com

Re: What’s up with Comcast in Philadelphia area

It's also affecting the Midwest.  No update on what's going on. On 11/9/21 9:25 AM, Justin Keller wrote: Hello. Anyone know what's up with Comcast in the Philadelphia area? There seems to be a lot of outages both residential and business Justin

What’s up with Comcast in Philadelphia area

Hello. Anyone know what's up with Comcast in the Philadelphia area? There seems to be a lot of outages both residential and business Justin

Re: Comcast? Layer2 / ELAN

I would request an on-site rfc test that should clear things up quickly On Fri, Oct 29, 2021 at 11:17 AM Joe Carroll wrote: > Greetings Fellow Nanog'ers > > Are there any Comcast engineers in the group that could help to sort out a > 10GB layer2 ELAN issue in Florida? >

Re: Comcast? Layer2 / ELAN

I’ll reply off-list in a sec From: NANOG on behalf of Joe Carroll Date: Friday, October 29, 2021 at 14:16 To: nanog list Subject: Comcast? Layer2 / ELAN Greetings Fellow Nanog'ers Are there any Comcast engineers in the group that could help to sort out a 10GB layer2 ELAN issue in Florida

Comcast? Layer2 / ELAN

Greetings Fellow Nanog'ers Are there any Comcast engineers in the group that could help to sort out a 10GB layer2 ELAN issue in Florida? We are short of cancelling this circuit that has been in for a couple of days. We cannot pass above 1GB on this circuit... 10GB SFPs on both ends, 10GB price

RE: Anyone from Level3/CenturyLink/Lumen, possibly Comcast around?

I have multiple clients with the same problem involving tunnels terminated on Lumen to terminations on Comcast. The problems started on Monday morning, 10/11/21, all in the Denver metro area. I was able to change a tunnel from IPSec-ESP to IPSec-HA and the problem went away and then changing

Re: Anyone from Level3/CenturyLink/Lumen, possibly Comcast around?

We have also seen the same behavior of intermittent customer complaint followed by issue resolving spontaneously. Our end customer has a tunnel to a supplier on Comcast with a return path via Lumen. The first ticket was opened on 9/23, has cleared and returned a few times. End customer

RE: Anyone from Level3/CenturyLink/Lumen, possibly Comcast around?

I can confirm this issue exists at several sites in the Denver area with this same IPSEC issue, all routing between Level3/Lumen and Comcast. I was told by one customer that it resolved late yesterday afternoon but I haven't been able to confirm that. Mike -Original Message- From

Anyone from Level3/CenturyLink/Lumen, possibly Comcast around?

Hi all, So, having a... frustrating issue going on. Long wall of text ahead as I explain. 1 x CenturyLink/Lumen fiber in Boise 1 x CenturyLink/Lumen fiber in Cheyenne 1 x Comcast biz fiber in Denver IPsec VPN tunnels between all three sites, w/ OSPF for routing failover (which

Re: Comcast Customer Owned Modem Firmware : WAS : Xfi Advances Security (comcast)

> Does Comcast actually allow customers who own their own modems full > management of the modem firmware? As far as I have been aware since my time > at Adelphia 20-odd years ago, that has never been allowed by provider; all > users of a given model had the same firmware enforc

Re: Comcast Customer Owned Modem Firmware : WAS : Xfi Advances Security (comcast)

On 9/16/21 08:13, Tom Beecher wrote: Does Comcast actually allow customers who own their own modems full management of the modem firmware? As far as I have been aware since my time at Adelphia 20-odd years ago, that has never been allowed by provider; all users of a given model had the same

Comcast Customer Owned Modem Firmware : WAS : Xfi Advances Security (comcast)

rating firmware is > provided by the modem’s manufacturer, who controls the feature set, bug > fixes, and firmware release schedule (to the extent that there even are any > post-sale software updates). Does Comcast actually allow customers who own their own modems full management of the mod

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