On Saturday 08 April 2006 08:16 am, Roger Rustad wrote:

> I'm in the middle of planning an n-tier architecture for a client. 
> Just finished setting up the SAN (Dell EMC), NAS, HA IIS, and SQL
> cluster.  I now have to link and failover two F5 BIG-IPs and am going
> to propose that they uses two PIXes / ASAs in failover.

... <snip>...

Outgoing is easy, so I presume you're writing about having incoming 
traffic flow.

Generally for this to work you have to have your own assigned IP# 
blocks.  Though I believe it can be done if you're relying on IP#s from 
your carriers, I'm not sure if you can get the carriers to let you do 
the routing on IP#s they're supplying.

And that's the key.

You'll need to use BGP to create and advertise routes for those IP#s.  I 
don't know which routers do that, because I've never had to do it and 
I've never checked, but in general they're expensive routers.

The best list for asking these kinds of questions has, in the past, 
always been "the list":

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Another has been 

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Jeff Lasman, Nobaloney Internet Services
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