[111329] in North American Network Operators' Group

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

daemon@ATHENA.MIT.EDU (Steve Bertrand)
Tue Feb 3 20:43:52 2009

Date: Tue, 03 Feb 2009 20:43:32 -0500
From: Steve Bertrand <steve@ibctech.ca>
To: Nathan Ward <nanog@daork.net>
In-Reply-To: <A84A0EB0-2138-4003-9A12-BCD8E0341877@daork.net>
Cc: nanog list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org

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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