Telia Not Withdrawing v6 Routes

Ryan Hamel ryan at
Mon Nov 16 03:37:09 UTC 2020

This same issue happened in Los Angeles a number of years ago, but for IPv4 and v6. They need to setup sane BGP timers, and/or advocate the use of BFD for BGP sessions both customer facing and internal.

On Nov 15 2020, at 5:58 pm, Matt Corallo <nanog at> wrote:
> Has anyone else experienced issues where Telia won't withdraw (though will happily accept an overriding) prefixes for
> the past week, at least?
> eg 2620:6e:a003::/48 was a test prefix and should not now appear in any DFZ, has not been announced for a few days at
> least, but shows up in Telia's LG and RIPE RIS as transiting Telia. Telia's LG traceroute doesn't of course, go
> anywhere, traces die immediately after a hop or with a !N.
> Wouldn't be a problem except that I needed to withdraw another route due to a separate issue which wouldn't budge out of
> Telia's tables until it was replaced with something else of higher pref.
> Matt
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