<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I will recommend what everyone else is telling you: establish a new bgp session with IPv6 address neighbors.<div><br></div><div>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).</div><div><br></div><div>If you do it, you must take two things into account:</div><div><br></div><div>1) you must use a route-map to set the next-hop of announced prefixes to you IPv6 address of the link</div><div>2) on EBGP this set next-hop is like an extra hop so you must make it ebgp-multihop</div><div><br></div><div>On Cisco is something like this:</div><div><br></div><div>router bgp 65400<br>no bgp default ipv4-unicast<br>neighbor 192.0.2.2 remote-as 65400<br>!<br> address-family ipv6<br>neighbor 192.0.2.2 activate<br>network 2001:db8::/32<br>route-map NH out<br>!<br>route-map NH permit 10<br> set ipv6 next-hop 2001:DB8:2::1</div><div><br></div><div>Hope this helps</div><div><br></div><div><div>El 08/06/2011, a las 16:21, Herlianto escribió:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Dear All,<br><br>I need your advice how to advertise iPV6 prefixs over IPV4 bgp Session.<br><br>Just now, Akamai team ask to advertise IPV6 prefixs that will be used for Woorld IPV6 day over Existing IPV4 BGP Session.<br>
<br>Thanks for your sharing.<br><br>Best Regards,<br clear="all"><br>-- <br><br><br>_H e r l y_<br>
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<div>-- </div><div>------------------------------------------------------------------</div><div><font class="Apple-style-span" face="Helvetica">Estos son mis principios. Si no le gustan tengo otros.</font></div><div><font class="Apple-style-span" face="Helvetica">Groucho Marx</font></div>
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