D-Link says that this is a problem and a firmware fix is underway.
The work-around is to enter single port numbers as a range, e.g.,
554-554.
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"glamart" <(E-Mail Removed)> wrote in message
news

(E-Mail Removed). ..
> D-Link calls trigger port forwarding "Application Rules." Their
> manual says that a trigger port can be a single port number or
> range. However, when I put in a single port number like 554, then
> "save", a random number is appended like 554-10254. Using a range
> like 5198-5200 works fine.
> Anyone have this problem?
> Thanks!
>