nanog mailing list archives

Re: JunOS IPv6 announcements over IPv4 BGP


From: Jared Mauch <jared () puck nether net>
Date: Fri, 21 Dec 2012 14:45:38 -0500


On Dec 21, 2012, at 1:45 PM, Pete Ashdown wrote:

I've got a peer who wishes me to send my IPv6 announcements over IPv4 BGP. 
I'm running around in circles with JTAC trying to find out how to do this
in JunOS.  Does anyone have a snippet they can send me?

I would say don't do this.  You are likely to experience software defects that are unique to this configuration which 
IMHO is far less common than a peer per v4/v6 transport.  It will also show they aren't doing any 'kinky' engineering 
to get you IPv6.  While some folks may disagree, the ability to connect you to an edge device that does dual-stack will 
provide you better service.

- Jared

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