From: Kevin Blackham (no email)
Date: Sat May 03 2008 - 15:23:15 EDT
We did that with our internally anycasted recursors at my former
network. A script withdraws the routes if bind isn't answering. Works
great.
On 5/3/08, Mike Lewinski <> wrote:
> David Coulson wrote:
> > Depends - It doesn't help if the DNS server is dead, but the front-end
> > is still advertising the routes.
>
> Possibly a good argument for allowing the DNS servers to originate the
> routes for them...? I've seen configuration where the routes were
> injected based on link state via crossover cable, so at least if the
> whole machine pukes the route is dropped. But if the resolver or OS
> itself is just hung then yeah...
>
> Mike
>
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