If you have to have connectivity to them, you could always just instruct them not to announce your routes beyond their AS; paid peering, and announce through more reliable ASs such as 2914 and 1299. Many people do this. Otherwise, cut ties with them and save yourself the headaches.
> On Aug 30, 2020, at 12:09, Baldur Norddahl <baldur.nordd...@gmail.com> wrote: > > > An outage is what it is. I am not worried about outages. We have multiple > transits to deal with that. > > It is the keep announcing prefixes after withdrawal from peers and customers > that is the huge problem here. That is killing all the effort and money I put > into having redundancy. It is sabotage of my network after I cut the ties. I > do not want to be a customer at an outlet who has a system that will do that. > Luckily we do not currently have a contract and now they will have to > convince me it is safe for me to make a contract with them. If that is > impossible I guess I won't be getting a contract with them. > > But I disagree in that it would be impossible. They need to make a good > report telling exactly what went wrong and how they changed the design, so > something like this can not happen again. The basic design of BGP is such > that this should not happen easily if at all. They did something unwise. Did > they make a route reflector based on a database or something? > > Regards, > > Baldur > >> On Sun, Aug 30, 2020 at 5:13 PM Mike Bolitho <mikeboli...@gmail.com> wrote: >> Exactly. And asking that they somehow prove this won't happen again is >> impossible. >> >> - Mike Bolitho >> >>> On Sun, Aug 30, 2020, 8:10 AM Drew Weaver <drew.wea...@thenap.com> wrote: >>> I’m not defending them but I am sure it isn’t intentional. >>> >>> >>> >>> From: NANOG <nanog-bounces+drew.weaver=thenap....@nanog.org> On Behalf Of >>> Baldur Norddahl >>> Sent: Sunday, August 30, 2020 9:28 AM >>> To: nanog@nanog.org >>> Subject: Re: Centurylink having a bad morning? >>> >>> >>> >>> How is that acceptable behaviour? I shall remember never to make a contract >>> with these guys until they can prove that they won't advertise my prefixes >>> after I pull them. Under any circumstances. >>> >>> >>> >>> søn. 30. aug. 2020 15.14 skrev Joseph Jenkins <j...@breathe-underwater.com>: >>> >>> Finally got through on their support line and spoke to level1. The only >>> thing the tech could say was it was an issue with BGP route reflectors and >>> it started about 3am(pacific). They were still trying to isolate the issue. >>> I've tried failing over my circuits and no go, the traffic just dies as L3 >>> won't stop advertising my routes. >>> >>> >>> >>> On Sun, Aug 30, 2020 at 5:21 AM Drew Weaver via NANOG <nanog@nanog.org> >>> wrote: >>> >>> Hello, >>> >>> >>> >>> Woke up this morning to a bunch of reports of issues with connectivity had >>> to shut down some Level3/CTL connections to get it to return to normal. >>> >>> >>> >>> As of right now their support portal won’t load: >>> https://www.centurylink.com/business/login/ >>> >>> >>> >>> Just wondering what others are seeing. >>> >>>
