Re: Multi-homing with two routers to one ISP

Marc,
I guess there is more to it. If both sites are L2 connected, what is the
use of EIGRP on the inside ?
Also, what is that you want to achieve ? Exit redundancy ? That is HSRP
job, e.g. you can have each site provide alternative exit for the
other.

-Carlos

Marc La Porte @ 06/02/2012 07:55 -0300 dixit:
> Hey guys,
>
> I have the following situation
> - 2 locations
> - one ISP
> - each location has a firewall as exit point, with on the inside on layer 2
> connectivity between the two locations, and on the outside each firewall
> has a directly connected link to an ISP router
> - each location has its own IP subnet on the directly connected link to the
> ISP router
> - as each firewall is directly connected to its ISP router, there is no
> routing; just a default route from the firewall
> - on the inside there is EIGRP
>
> Currently there is no redundancy set between the two locations.
>
> Since there is no routing toward the ISP, how do I setup redundancy,
> considering that from the inside there is a requirement to have a single IP
> address to point to regardless of the exit location?
>
> The ISP has setup an IP SLA / ICMP linked to HSRP to track if they can ping
> our side.
>
> Thanks for any input.
>
> Marc
>
>
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-- 
Carlos G Mendioroz  <tron_at_huapi.ba.ar>  LW7 EQI  Argentina
Blogs and organic groups at http://www.ccie.net