How to advertise IPV6 prefixs over IPV4 BGP Session

John Payne john at
Thu Jun 9 00:14:01 CEST 2011

On Jun 8, 2011, at 10:45 AM, "Paul Stewart" <paul at> wrote:

> We were faced with the same request a few days ago.... couldn't get it to
> export the v6 prefixes over top of the our existing v4 export session (not
> peering, just dumping tables to them which in turn are used by their boxes
> to figure out what's on-net for us and not).
> Are you saying just add family inet6 ? (JunOS)  This is a multihop eBGP
> session in our case...

I think so, but I haven't yet done this myself on JUNOS :) your best bet is to ask the Akamai person you're working with for an example config ;)

> Paul
> -----Original Message-----
> From: at
> [ at] On Behalf Of
> John Payne
> Sent: Wednesday, June 08, 2011 10:31 AM
> To: Herlianto
> Cc: ipv6-ops at
> Subject: Re: How to advertise IPV6 prefixs over IPV4 BGP Session
> On Jun 8, 2011, at 10:21 AM, Herlianto wrote:
>> Dear All,
>> I need your advice how to advertise iPV6 prefixs over IPV4 bgp Session.
>> Just now, Akamai team ask to advertise IPV6 prefixs that will be used for
> Woorld IPV6 day over Existing IPV4 BGP Session.
> Just add the IPv6 unicast address family to that neighbor.  Don't forget
> IPv6 specific route-maps or prefix-lists or whatever you use.
> Ask your Akamai contact for examples, I'm sure they'd be happy to help.
> Note that this BGP session isn't used for routing purposes.... you can think
> of it as a convenient method of communicating an ACL :)=

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