NetComm NB6 User Manual page 48

On the Configure LAN side Settings page, you have to fill in the data requested.
Primary IP Address & Subnet Mask:
Key in the information that offered by your ISP for the LAN connection.
Configure the secondary IP Address and Subnet Mask:
Check this box to set up a secondary IP Address to connect to your router if they are not included in
the range that DHCP server accepts. See the next figure for the secondary IP address and subnet mask.
Secondary IP Address & Subnet Mask:
Key in the second IP address and the subnet mask received from the ISP for your LAN connection.
MTU: (refer to the WAN section)
The default MTU value for LAN side Settings is 1500. You may modify it if necessary.
DHCP Server On:
Check this item if DHCP service is needed on the LAN side. The router will assign an IP address and
gateway address for each of your PCs.
Start IP Address & End IP Address:
Enter the information needed.
Lease Time:
Key in the duration, for the time. The default is 1day.
DHCP Server Off:
Check this item if DHCP service is not needed on the LAN.
On this web page, the primary IP address and subnet mask will be shown. You can modify them if
needed.
Key in all the necessary settings and click "Next".