Re: Cogent IPv6

[Owen DeLong <owen () delong com>]

On Jun 8, 2011, at 7:18 AM, ryan () u13 net wrote:

> On Wed, 8 Jun 2011 09:51:21 -0400, Nick Olsen wrote:
>
> > I'm sure someone here is doing IPv6 peering with cogent. We've got a Gig
> >
> > with them, So they don't do that dual peering thing with us. (They do it
> > on
> > another 100Mb/s circuit we have... I despise it.)
> > Just kind of curious how they go about it.
> > Do they issue you a small IPv6 block for your interface, just like they
> > do
> > for IPv4? Is it a separate session? Any things to be aware of before
> > pulling the trigger on it? (Other then them not having connectivity to
> > HE's
> > IPv6 side of things, Wish they would fix that already...)
> >
> > Nick Olsen
> > Network Operations (855) FLSPEED x106
>
> We have separate v4 and v6 sessions with them on the same dual-stack interface (a v4 /29 and v6 /112 on the 
> interface).  One session is between our v4 address and theirs, and carries v4 prefixes only.  Then another session 
> between v6 addresses that carries v6 prefixes only.

That's really the best way to do dual stack peering anyway.

Keeps things much cleaner.

Owen