On Sun, Dec 29, 2013 at 01:52:15PM +0200, Tarko Tikan wrote: > hey, > > >4. there is no way for RAs to deploy different gateways to different hosts: > >all hosts on the network must be configured in the same way. > > +1 for this. We are currently using multiple default gw's (backed by > multiple VRRP groups). This is something we can't port to ipv6 and it'll > hurt as all capacity is not available for sudden peaks.
Hmm, just a thought, but I think it won't help that much. If you use source-based/policy routing (linux ipv6 fib subtree feature) you could segment the subnet further and let the default gateway emit redirects if the subtree has a default gateway which is on-link for the clients. In case they don't react I guess this will pollute your network with further traffic (or you just drop the traffic by other mechanism).
