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Webcast-Catalyst9k
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how to open range of port behind nat

i need n open a range of ports for my asterisk work and my no-ip(free dns), but I have the following problem.

If you use the following "ip nat inside source static 10.0.0.2 interface dialer0" asterisk works but my not-ip updated my ip private

If you use the following

"ip nat ins source list 1 int dialer0 "

my no-ip update my ip publi but asterisk not work

please...help

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