User's Guide

TD851W 150Mbps Wireless N ADSL2+ Modem Router User Guide
global IP.
z Many-to-Many: The IP between “Local Start IP” and “Local End IP” will be mapped to the
IP between “Global Start IP” and “Global End IP”.
z One-to-Many: One local IP will be mapped to any of the IP between “Global Start IP” and
“Global End IP”.
¾ Local Start IP / Local End IP: Enter the local IP Address you plan to map to. Local Start IP is
the starting local IP address and Local End IP is the ending local IP address. If the rule is for
all local IPs, then the Start IP is 0.0.0.0 and the End IP is 255.255.255.255.
¾ Global Start IP / Global End IP: Enter the global IP Address you want to do NAT. Global
Start IP is the starting public IP address and Global End IP is the ending public IP address. If
you have a dynamic IP, enter 0.0.0.0 as the Global Start IP.
¾ Current NAT IP MAPPING Table: This displays the information about the Mapping address.
)
Note:
After configuration, you need to click the Save button appeared on the left panel so that your
configuration can still take effect after the Router reboots.
4.3.3 QoS
Choose “Advanced→QoS”, you can configure the QoS in the next screen. QoS helps to prioritize
data as it enters your router. By attaching special identification marks or headers to incoming
packets, QoS determines which queue the packets enter, based priority. This is useful when there
are certain types of data you want to give higher priority, such as voice data packets give higher
priority than Web data packets. This option will provide better service of selected network traffic
over various technologies.
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