Linux and ULA support and default route

Gert Doering gert at
Fri Oct 14 12:32:05 CEST 2016


On Fri, Oct 14, 2016 at 12:00:04PM +0200, Holger Zuleger wrote:
> Of course the default route should *not* be withdrawn.
> The RA default router announcement says just, "Hey hosts, I'm the way
> out of your local subnet", and not "Hey host, I have a upstream
> connection to the rest of the internet".

If the router has no default route, it should not announce one - this
is why PIO exists for more specific info.

Imagine a setup with *two* routers.  One of them has broken Internet,
the other is working.  How can the hosts decide if both keep announcing
themselves as "I can reach anything"?

Gert Doering
        -- NetMaster
have you enabled IPv6 on something today...?

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