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NAT CCME PORT 2000

Hello!!!

I use 2821 with CCME. One of users need to connect external server on port 2000.

I use this config:

ip nat inside source list 1 interface GigabitEthernet0/1 overload

ip nat inside source static tcp 192.168.1.253 25 interface GigabitEthernet0/1 25

access-list 1 permit 192.168.1.0 0.0.0.255

Conection established but no data flow exist...

If I use IOS without CCME all work fine...

I suspect what problem is in port 2000, which CCME and Skinny default port.

How can I grant internal user (only one machine) access to external port 2000

and can still work with CCME?

Thank you much!

2 Replies 2

paolo bevilacqua
Hall of Fame Master Hall of Fame Master
Hall of Fame Master

Try:

ip source-address x.x.x.x strict-match

and make sure the cme registration address is not in nat inside or outside interface.

If that doesn't work, try

ip source-address x.x.x.x port <2000 - 9999>

That will change sccp port, will require all phone to restar and register again.

Thank you very much...

But it does not work...

ip source in voice VLAN not int data vlan...

I heve solved problem

no ip nat service skinny tcp port 2000

Thak you very much...

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