Re: internet - at least texas

[Ben Jahner via NANOG <nanog () lists nanog org>]

Observed routing loops on Cogent out of McAllen. Reachability cleaned up after turning down peering to them. Cogent has 
an entry on their Network Status page now.


https://ecogent.cogentco.com/network-status



________________________________
From: Lee Fawkes via NANOG <nanog () lists nanog org>
Sent: Tuesday, November 25, 2025 4:20 PM
To: North American Network Operators Group <nanog () lists nanog org>
Cc: Lee Fawkes <nanog () digital-oasis com>
Subject: Re: internet - at least texas

[EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe.

Yeah, I'm getting a bunch of alerts for Texas too. Seems like it might
affect multiple areas and multiple carriers, but I don't really have a
sense of exactly what's going on yet. I am seeing a lot of Cogent, but I'm
seeing alerts for other carriers too. Curious if anyone else has anything.

On Tue, Nov 25, 2025 at 6:49 PM June Slater via NANOG <nanog () lists nanog org>
wrote:

> Seeing some loss on Cogent in Austin. Drained Cogent, others appear to be
> fine.
>
> June Slater
>
> On Tue, Nov 25, 2025 at 3:32 PM Aaron Gould via NANOG <
> nanog () lists nanog org>
> wrote:
>
> > what in the world is going on in texas?  i'm in south texas (san
> > antonio) and all 4 of my internet connections went way down! i disabled
> > cogent bgp and already looking better on my other transit links
> > (non-cogent)
> >
> > --
> > -Aaron
> >
> > _______________________________________________
> > NANOG mailing list
> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2F3KIJECRT6TZWEICWHLH4G4DSY4BXXW6L%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938040548%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=NUdOT20vw8ADKz4%2F6uAn%2FzTse4Y2PUEUqHtiOGdriQk%3D&reserved=0<https://lists.nanog.org/archives/list/nanog
>  () lists nanog org/message/3KIJECRT6TZWEICWHLH4G4DSY4BXXW6L/>
> _______________________________________________
> NANOG mailing list
>
> https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2F6XXD4ALEE6EG53UD2YRHBVA5OZTWHXOL%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938068449%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=086ugNSmYNx44ZBN6Toqvz9zIlioBU7V6W2mUKbSots%3D&reserved=0<https://lists.nanog.org/archives/list/nanog
>  () lists nanog org/message/6XXD4ALEE6EG53UD2YRHBVA5OZTWHXOL/>
_______________________________________________
NANOG mailing list
https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2FT7X6CXYMTCKV47WTMWDIEZBMZRDWFOO4%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938080218%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=pWHzWQgtHrSeh2yd8awy0P1XY85GKMt8JR0GDYgwke4%3D&reserved=0<https://lists.nanog.org/archives/list/nanog
 () lists nanog org/message/T7X6CXYMTCKV47WTMWDIEZBMZRDWFOO4/>
_______________________________________________
NANOG mailing list 
https://lists.nanog.org/archives/list/nanog () lists nanog org/message/6NGMSAHO4URJ2OM7MVDXWHRJIDI2K3VA/