On 2010-08-31 08:22, Mitchell Warden wrote: [..] > Is there a reason not to advertise more specific prefixes from 2002::/16 to > ensure that traffic for your v4 routes comes back to your own 6to4 router? > > If for example all my users have v4 addresses in 192.0.2.0/24, I could > advertise 2002:C002:0000::/40 instead of or in addition to the full 2002::/16.
The RFC forbids that with a good reason, as then we'll end up importing the IPv4 BGP table into IPv6... not something we want to see (unless one loves to import 300k routes in there, I guess people will really start whining about that though ;). Greets, Jeroen
