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Cisco 887VA dymanic port forwarding

Palmeriain
Level 1
Level 1

Heya

I've got a 887va router configured and working with static NAT mappings working ok for the few mapping we had

We are adding VoIP to our network enviorment and need to map a large number of ports, approx 510 ports, easily so discided on trying a dymainic mapping instead of hand-coding them all staticly. I've added the dymanic coding but it still not working.

As a short term fix, i've staticly mapped a few odd ports but still need to bet the dymaic working so to get the 500 UDP ports working.

Are you able to have a look at the config, attached, and give some pointers as to where I may have gone wrong?

Thanks in advance

1 Reply 1

Mark Malone
VIP Alumni
VIP Alumni

Maybe just try an tighten it up , it looks like its all there but the range is not mapped to the PAT

as an example from your outputs try something like the below


ip nat inside source list NATVOIP interface Dialer1 overload


ip access-list extended NATVOIP
 permit ip 192.168.0.25 0.0.0.255 any

access-list 100 permit udp host 192.168.0.25 range 5000 9000 any
access-list 100 permit tcp host 192.168.0.25 range 5000 9000 any

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