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WAN Mode:
WAN mode is to set WAN port to be static IP address and dynamic acquisition (DHCP).
When it is static IP, the user shall manually set IP and subnet mask; when it is DHCP, the equipment can
acquire IP address from DHCP server automatically.
WAN IP:
IP address of WAN port, which can be IP address of the same segment of network to be
connected.
WAN Subnet Mask:
subnet mask of WAN port, which can be IP address of the same segment of
network to be connected.
Caution:
IP address of WAN port cannot be the same as existing IP in the network, so as to prevent IP
address conflict.
LAN IP:
IP address of LAN port, to be set by the user according to needs. However, LAN IP shall not be
the same as IP of other equipment in the same network, so as to prevent IP address conflict.
LAN Subnet Mask:
subnet mask of LAN port, which is set by the user according to IP of LAN port.
Main DNS and Supplemental DNS:
DNS server, which is set to be value of local DNS server.
Gateway:
gateway address is usually set to be IP address of LAN port.
Firewall
Firewall is used to shield DH-PFM88X from some equipment, as is shown in the following figure.
There are 4 types of firewall filtering:
