Thanks for the explanation Mark. I will try that when I get home and get on my test setup. I'll report back with my findings or more inquiries. On Wed, Oct 1, 2014 at 11:31 AM, Mark Tinberg <mark.tinberg at wisc.edu> wrote: > > > That's the thing Mark, configuring it is where I'm stuck. I'm unsure of > > what addresses I'm supposed to be using as the prefixes that Hurricane > > Electric gives me for /64 and /48, are different from the tunnel's > endpoint > > address. At least I think I'm reading it right from the tunnel's > > information page. > > So an he.net tunnel has a /64 used as a point-to-point network which is > what runs on the IPv4 tunnel, and either a single /64 that you route for > your internal subnet, or a /48 which allows you to carve out 65535 subnets > of /64 each, equivalent addressing to an IPv4 /16 where each address is > NATting for an entire network itself. > > So pick the first /64 subnet inside your /48 allocated to you and route > that internally and set that up in your router advertisement daemon. > > For example if your point-to-point is > 2001:470:AAAA:1234::1/64 (HE.net) -- 2001:470:AAAA:1234::2/64 (your router) > > and your routed subnets are out of 2001:470:BBBB:1234::/48 > > 2001:470:BBBB:1234::/64 > 2001:470:BBBB:1235::/64 > ... > > Then you'd have say 2001:470:BBBB:1234::1/64 on one router interface and > advertise 2001:470:BBBB:1234::/64 > > — > Mark Tinberg, System Administrator > Division of Information Technology - Network Services > University of Wisconsin - Madison > mark.tinberg at wisc.edu > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > >