[c-nsp] ASA / EIGRP / Redundant Interfaces

[Peter Rathlev]

On Wed, 2009-04-29 at 14:57 -0500, Jason Link wrote:
> With an ASA running a redundant physical interface pair for the Inside
> interface, each link connected to a separate switch which is connected
> to a separate router, and everything running EIGRP, I get multiple
> routes (2) to the same destination subnet, one for each of the connected
> routers.  This is obviously causing problems, and I can't seem to find a
> way to resolve it.  Setting delay on the physical interfaces doesn't
> seem to take effect, and there is no variance sub-command so I can't
> just force one route.  This needs to function in a redundant situation,
> as in if I lose a router or switch everything will continue to function
> (hence the redundant interface).  I tried google and cisco and found
> nothing of any significance...anyone got any ideas?

AFAIK the "standard" way of doing this would be a shared VLAN on the
inside and then HSRP or similar on the routers. Any reason for not doing
that?

Regards,
Peter