[TriLUG] linux routing example

[Mike Mueller]

On Wednesday 29 October 2003 12:05, Jason Tower wrote:
> the catch was,
> they wanted to have zero downtime when they made the DNS changes so the
> web server had to function properly on both T1s simultaneously (the two
> T1s were from different ISPs and had totally different subnets).  this
> is harder than it seems at first glance; in order for this to function
> you have to make sure that traffic "leaves" on the same interface it
> arrived on, regardless of which route is preferred.

I stumbled on the zero downtime and iso-interface enter/exit requirements; if 
one of the T1 interfaces goes down, what happens to responses to queries that 
entered on the downed interface?  are they abandoned or rerouted to the other 
interface? 
-- 
Mike Mueller
324881 (08/20/2003)
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