How to advertise IPV6 prefixs over IPV4 BGP Session

[John Payne]

And again, for the specific purpose the original poster was asking about, please do not do this.

On Jun 8, 2011, at 12:20 PM, Fernando Garcia <fernando at cutre.net> wrote:

> I will recommend what everyone else is telling you: establish a new bgp session with IPv6 address neighbors.
> 
> But, it can be make over a IPv4 neighbor. I made it as a practice in a training (basically to explain why is not a good idea).
> 
> If you do it, you must take two things into account:
> 
> 1) you must use a route-map to set the next-hop of announced prefixes to you IPv6 address of the link
> 2) on EBGP this set next-hop is like an extra hop so you must make it ebgp-multihop
> 
> On Cisco is something like this:
> 
> router bgp 65400
> no bgp default ipv4-unicast
> neighbor 192.0.2.2 remote-as 65400
> !
>  address-family ipv6
> neighbor 192.0.2.2 activate
> network 2001:db8::/32
> route-map NH out
> !
> route-map NH permit 10
>  set ipv6 next-hop 2001:DB8:2::1
> 
> Hope this helps
> 
> El 08/06/2011, a las 16:21, Herlianto escribió:
> 
>> 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.
>> 
>> Thanks for your sharing.
>> 
>> Best Regards,
>> 
>> -- 
>> 
>> 
>> _H e r l y_
> 
> -- 
> ------------------------------------------------------------------
> Estos son mis principios. Si no le gustan tengo otros.
> Groucho Marx
> 
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