[toast0]

> - No support for multi-homing.

It's not really that there's no support. It's more that the support isn't very good.

In theory, you send router advertisements, with priorities for all your routes, and when a connection drops, you stop sending that route's advertisements or start sending announcements showing that prefix is now didabled. And all the clients would do useful things with it.

But of course, they don't. They'll use an address from Prefix A and send it through router B. Or prefer the first announcement they see rather than the most preferred route. And that's assuming you can convince your CPE to set the preferrences you want.