Important:
When you are setting the router external port, please use 1024~5000 port. Do not use well-
known port 1~255 and the system port 256~1023 to avoid conflict.
For the TCP and UDP, please make sure the internal port and external port are the same
to guarantee the proper data transmission.
Figure 2-89
Figure 2-90
2.14.1.9 Multicast
Multicast setup interface is shown as in Figure 2-91.