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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
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Passthrough Public IPs / NAT Exempt

Here is my scenario. I have a /26 from my provider. I have a server that I want behind the firewall but must have a public IP on it and can't be nat'd. I have carved a /30 out of my /26 and have nat exempted it inbound from the outside and outbound from the inside. I have set up routing on the inside and can ping the server on it's public ip from the firewall but can not get out to the internet. Is what I want do even possible? In the past I have done similar but had the provider give me another public block to route through the firewall and that works great. I fear that may be the solution here.

Thanks in advance!

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Accepted Solutions

Re: Passthrough Public IPs / NAT Exempt

Sorry I don't have an ASA to test with, but can't you static it?

static (inside,outside) 75.50.95.73 75.50.95.73 netmask 255.255.255.255

2 REPLIES

Re: Passthrough Public IPs / NAT Exempt

Sorry I don't have an ASA to test with, but can't you static it?

static (inside,outside) 75.50.95.73 75.50.95.73 netmask 255.255.255.255

Community Member

Re: Passthrough Public IPs / NAT Exempt

Awesome that worked. Never even crossed my mind.

Thanks!!!

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