google ipv6 routes via cogent

Jeremy Austin jhaustin at
Sat Mar 4 03:59:20 UTC 2017

On Fri, Mar 3, 2017 at 5:05 PM, Job Snijders <job at> wrote:

> > There are, of course, corner cases. But in general, single-homed
> > people shouldn’t be using BGP.
> There are numerous reasons to use BGP when single-homed:
>     - as preparation to multi-home in the (near) future
>     - ability to quickly change providers
>     - to use BGP based blackholing features
>     - to save time on provisioning work (adding new prefixes becomes a
>       matter of just announcing and updating IRR/RPKI).
>     - loadbalanacing / loadsharing across multiple links
>     - ability to use bgp communities for traffic engineering
> In other words, if you have your own IP space, I'd recommend to get your
> own ASN and use BGP.

I concur with Job.

If you are single-homed but care about having proper L3 redundancy (not
just VRRP or equivalent), BGP is a must.

ARIN has a policy to allow this, but it is not spelled out with an excess
of clarity. I suspect it is not often used; see NRPM section 5.

Jeremy Austin

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