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Two outside interfaces

Hello everyone,

I am wondering if it's possible to have two outside interfaces in two diferent public networks on my ASA 5505. How do you think?

3 REPLIES

Re: Two outside interfaces

Hello Georgi,

Definetly possible and you could use SLA to have redundancy.

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00806e880b.shtml

Or use the backup ASA to send certain traffic.

So yes, you can bud

Rate all of the helpful posts!!!

Regards,

Jcarvaja

Follow me on http://laguiadelnetworking.com

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
New Member

Re: Two outside interfaces

Hi Julio,

I read about redundancy but what i need is different. I have here in the office a cisco router belong to the ISP. I have a backup link connected to the second WAN port of this router and only one link going in my ASA. So when there is a problem with the primary the backup take the primary function and in the both case i have the same public ip scope.

My issue is that the same ISP gave my scond different public ip scope which go out from the same router and is unsecure network. I want some how both public ip scope to be usable at the same time but going thrue the ASA. I dont know if you understand me. but this what i imagine.

Re: Two outside interfaces

Hello,

Not really, I mean if all you are looking for is the ASA to respon to 2 different public address ranges on the outside interface that certanly can be done by using Proxy-ARP. No problem at all bud

Rate all of the helpful posts!!!

Regards,

Jcarvaja

Follow me on http://laguiadelnetworking.com

Julio Carvajal
Senior Network Security and Core Specialist
CCIE #42930, 2xCCNP, JNCIP-SEC
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