Re: IPv6 fc00::/7 — Unique local addresses

[Owen DeLong <owen () delong com>]

> > >
> > Actually, it's not pointless at all. The RA system assumes that all routers
> > capable of announcing RAs are default routers and that virtually all routers
> > are created equal (yes, you have high/medium/low, but, really, since you
> > have to use high for everything in any reasonable deployment...)
>
> No it doesn't. You can set the router lifetime to zero, which indicates
> to the end-node that the RA isn't announcing a default router. In this
> case, it may be announcing M/O bit, prefix or other parameters.
DHCPv6 can selectively give different information to different hosts
on the same wire segment.

RA cannot.

> > There are real environments where it's desirable to have a way to tell
> > different clients on a network to use different default gateways or
> > default gateway sets.
> >
> > Owen