troubleshooting Question

Cisco ASA 5520 convert pre-8.3 NAT rules to 8.3 NAT rules

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SvenIAFlag for Netherlands asked on
4 Comments2 Solutions2419 ViewsLast Modified:
Hi Experts,

I'm struggling with the new NAT rules in the new Cisco iOS software. I see a lot of examples on the internet, but I have to know for sure that I have the correct new NAT rules.

I have the old rules in a copy of the running config. This afternoon I have to implement the rules in the new format in an ASA5520 firewall. I was hoping that someone could give me a hand in converting a few of these rules. Here they are,

- global (outside) 2 netmask

- global (outside) 1 interface

- nat (outside) 0 access-list outside_nat0_inbound outside

- nat (inside) 1

- static (inside,outside) tcp smtp smtp netmask

- static (outside,inside) netmask

I know it's a lot to ask, but I hope that someone can help me out here!

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