How to direct public IP traffic from one ASA to another?

[PremierGold]

I have a ASA 5505 and ASA 5508x. In reference to the attached diagram. I am looking to fail-over a Public IP B to ASA 5508x through ASA5505. The only reason for this configuration is the ASA5505 is with ISP A and with out paying a huge amount we can an additional IP address for a fraction of the cost. The ASA5508x is with ISP C.

How do I program the ASA5505 to forward all traffic that comes from Public IP B to ASA5508x?

[Peter Koltl]

The logic is like this:

nat (outside,asaic) source dynamic any4 obj-hideaddr destination static PUB-B PRIV-B unidirectional

Source Internet addresses must be hide-NATed otherwise return traffic would exit on PUB-C interface.

Destination address translation follows the usual static translation method.

asaic is the ASA interconnect link. Never use the 'failover' term for something that is not failover.

[PremierGold]

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@Peter Koltl wrote:

The logic is like this:

nat (outside,asaic) source dynamic any4 obj-hideaddr destination static PUB-B PRIV-B unidirectional

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Hey Peter thanks for the information! Got it interconnect not fail-over.

To clarify, in your logic example.

asaic = ASA5508x

obj-hideaddr = ? (what is this object suppose to be)

PUB-B = (is an object with the Public IP) x.x.x.C

PRIV-B = (is an object network for Private Net B) ie. 192.168.1.0

Regards,

Pierre