IPG2160 IPG2320 GSM 2G VoIP Gateway User Manual
_______________________________________________________________________________
19
Obtain IP Address
Automatically
Enable the device obtain IP Address automatically or not. Default is
enabling
Use the Following
IP Address
Configure the "IP Address", "Subnet Mask" and "Default Gateway" by
manual
PPPoE
Need ISP offer the account and password, Use this mode when there is
not router in the local network
MTU
Message transmit unit, default is 1400
Obtain DNS
Server Address
Automatically
When enable the WAN port option of "Obtain DNS Server Address
Automatically”, which will be enabled subsequently.
Use the Following
DNS Server
Addresses
Fill in the IP address of "Primary DNS Server" and "Secondary DNS
Server"
4.5.2 ARP
The ARP function mainly used to query and add the map of IP and MAC. There are static or
dynamic ARP entries.
Like other routers, the gateway can automatically find the network device on the same segment.
But, sometimes you don't want to use this automatic mapping; you'd rather have fixed (static)
associations between an IP address and a MAC address. Gateway provides you the ability to
add static ARP entries to:
Protect your network against ARP spoofing
Prevent network confusion as a result of misconfigured network device
Figure 4-5-3 Add ARP
Click
Search All
to check ARP buffer.