[Update] Re: New ISP to market, BCP 38, and new tactics

Steve Bertrand steve at ibctech.ca
Tue Feb 3 19:43:32 CST 2009


Nathan Ward wrote:
> On 4/02/2009, at 2:33 PM, Steve Bertrand wrote:
> 
>> - Currently, (as I write), I'm migrating my entire core from IPv4 to
>> IPv6. I've got the space, and I love to learn, so I'm just lab-ing it up
>> now to see how things will flow with all iBGP v4 routes being
>> advertised/routed over v6.
> 
> 
> Don't advertise v4 prefixes in v6 sessions, keep them separate.
> 
> If you do, you have to do set next-hops with route maps and things, it's
> kind of nasty.
> 
> Better to just run a v4 BGP mesh and a v6 BGP mesh.

Ok. I've been having problems with this.

What I was hoping for (even though I'm testing something that I know
won't work) is that I can break something so I could push v4 traffic
over a v6-only core.

Is there _any_ way to do this (other than NAT/tunnel etc)?

Steve




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