Dahua HCVR5104C User Manual page 551

Parameter
Port mapping list
Modify
5.10.2.11 SNMP
Note
This function is for some series products only.
SNMP is an abbreviation of Simple Network Management Protocol. It provides the basic
network management frame of the network management system. The SNMP widely used
in many environments. It is used in many network device, software and system.
Function
It is the same information on the UPnP list of the router.
Service name:Defined by user.

Protocol: Protocol type

Internal port:Port that has been mapped in the router.

External port:Port that has been mapped locally.

Note
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.
When there are several devices in the same LAN, please arrange

the port mapping properly in case several devices are mapping to
the same external port.
Please make sure the mapping port is available.

For the TCP and UDP, please make sure the internal port and

external port are the same to guarantee the proper data
transmission.
Click ,you can change WAN port value.
Figure 5- 61
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