TP-Link TD-8817 User Manual page 34

 Router Local IP: These are the IP settings of the LAN interface for the device. These
settings may be referred to as Private settings. You may change the LAN IP address if
needed. The LAN IP address is private to your internal network and cannot be seen on the
Internet.

IP Address: Enter the modem 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 modem 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 modem router will periodically send routing information
and accept routing information, and then incorporate them into routing table. IN only
means the ADSL modem router will only accept but will not send RIP packet. OUT only
TD-8817 ADSL2+ Ethernet/USB Modem Router User Guide
Figure 4-15
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