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I have an ISR4331 with Firewall.
This firewall was something that we took over on an IT contract we are now doing and it configured as a Zone based firewall.. Most of the stuff that i've done with Cisco is with ASA's. The commands seem similar but i...
My command in the config at the moment is
ip nat inside source static tcp 172.16.50.30 40000 interface GigabitEthernet0/0/0 40000 extendable
Inside my ACL I also have
permit tcp any any eq 40000