Grandstream Networks GWN70 Series User Manual page 18

Please refer to the following table for basic network configuration parameters on the WAN port with IPv4 for GWN70xx.
Connection Type
Static DNS
Maximum Transmission
Unit (MTU)
WAN Port MAC
Address
MAC Address
Tracking IP Address 1
Tracking IP Address 2
VLAN Tag
Figure 23: WAN Configuration
● Obtain IP automatically (DHCP): When selected, it will act as a DHCP client and acquire an IPv4
address automatically from the DHCP server.
● Enter IP Manually (Static IP): When selected, the user should set a static IPv4 address, IPv4 Subnet
Mask, IPv4 Gateway and adding Additional IPv4 Addresses as well to communicate with the web
interface, SSH, or other services running on the device.
● Internet Access with PPPoE account (PPPoE): When selected, the user should set the PPPoE account
and password, PPPoE Keep alive interval and Inter-Key Timeout (in seconds).
● L2TP
Layer Two Tunneling Protocol (L2TP) is an extension of the Point-to-Point Tunneling Protocol (PPTP)
used by internet service providers (ISPs) to enable virtual private networks (VPNs).
● PPTP: Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables the secure transfer of
data from a remote client to a private enterprise server by creating a virtual private network (VPN) across
TCP/IP-based data networks.
The default setting is "Obtain IP automatically (DHCP)".
Check Static DNS then enter the Preferred DNS Server and the Alternative DNS Server.
Configures the maximum transmission unit allowed on the wan port. The valid range is 576-1450 Bytes, and
the default value is 1450.
Select either to use the default MAC address or use the MAC address of current management PC or use
custom MAC address.
the MAC address used for the WAN.
Configures tracking IP address of WAN port to determine whether the WAN port network is normal.
Add another alternative address for Tracking IP Address
Select if either to enable or disable VLAN Tag.