User's Guide

30
The subnet mask along with the previously configured IP address defines the network. The default
value for subnet mask is 255.255.255.0.
31. DNS Server
Use this function to toggle whether the DNS server is set automatically or manually.
DHCP
DHCP assigns LAN IP addresses for connected devices. You can specify the range of IP addresses
the 5G Internet Gateway may assign to devices. Click the DHCP switch to turn the DHCP function on
or off. You can also enter the desired information in the following fields:
32. DHCP Start Address
Specify the address that starts the range for the pool of IP addresses in the same subnet as the 5G
Internet Gateway.
33. DHCP End Address
Specify the address that ends the range for the pool of IP addresses in the same subnet as the 5G
Internet Gateway.
34. Lease Time
You can specify a period of time after which an assigned IP address will be retrieved from devices.
UPnP
For devices that support Universal Plug and Play (UPnP), enabling the UPnP function will allow
automatic port forwarding that helps your UPnP devices communicate with the Internet.
Slide the UPnP switch to the right to enable the feature. Slide the Enable Automatic Cleanup of Old
Unused UPnP Service switch to enable the automatic cleanup of invalid rules. When enabled, old
and unused UPnP defined services will be removed.
35. Static Leases
Click on the Add Static Lease button to add a new one. Enter the MAC address of a device, and give
each one a host name, then assign a corresponding IP address.