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TD-8816B ADSL2/2+ Ethernet Modem User Guide
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needed. The LAN IP address is private to your internal network and cannot be seen on the
Internet.
• IP Address: Enter the Router’s local IP Address, then you can access to the Web-based
Utility via the IP Address, the default value is 192.168.1.1.
• IP Subnet Mask: Enter the Router’s Subnet Mask, the default value is 255.255.255.0.
• Dynamic Route: Select this option to specify the RIP (Routing Information protocol)
version for LAN interface, including RIP1, RIP2-B and RIP2-M. RIP2-B and RIP2-M are
both sent in RIP2 format, the difference is that RIP2-M using Multicast, while RIP2-B
using Broadcast format.
• Direction: Select this option to specify the RIP direction. None is for disabling the RIP
function. Both means the ADSL Router will periodically send routing information and
accept routing information, and then incorporate them into routing table. IN only means
the ADLS router will only accept but will not send RIP packet. OUT only means the
ADLS router will only send but will not accept RIP packet.
• Multicast: Select IGMP version, or disable the function. IGMP (Internet Group Multicast
Protocol) is a session-layer protocol used to establish membership in a multicast group.
The ADSL ATU-R supports both IGMP version 1 (IGMP v1) and IGMP v2. Select
“Disabled” to disable it.
• IGMP Snoop: Enable the IGMP Snoop function if you need.
¾ DHCP Server: Select Enabled, then you will see the screen below (shown in Figure 4-10).
The Router
will work as a DHCP Server, it becomes the default gateway for DHCP client
connected to it. DHCP stands for Dynamic Host Control Protocol. The DHCP Server gives
out IP addresses when a device is booting up and request an IP address to be logged on to
the network. That device must be set as a DHCP client to obtain the IP address automatically.
By default, the DHCP Server is enabled. The DHCP address pool contains the range of the
IP address that will automatically be assigned to the clients on the network.
Figure 4-10
• Starting IP Address: Enter the starting IP address for the DHCP server's IP assignment.
Because the default IP address for the Router is 192.168.1.1, the default Start IP
Address is 192.168.1.2, and the Start IP Address must be 192.168.1.2 or greater, but
smaller than 192.168.1.254.