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48 4011533 Rev A
How Do I Configure the Cable Modem Gateway?
Advanced Settings
The following table provides a description of the pages available from within the
Advanced Settings section of the Setup page.
Field Name Description
Options Use this page to enable or disable advanced
features on your network
IP Address Filtering Use this page to configure IP address filters. These
filters prevent designated IP addresses from
accessing the Internet
MAC Address Filtering Use this page to configure MAC address filters.
These filters prevent designated MAC addresses
from accessing the Internet
Port Filtering Use this page to configure transmission control
protocol (TCP) and user datagram protocol (UDP)
port filters. These filters prevent a range of
TCP/UDP ports from accessing the Internet
Port Forwarding Use this page to configure port forwarding for
local IP addresses. Port forwarding allows you to
run a server on the local area network (LAN) by
specifying the mapping of TCP/UDP ports to
local PCs or to the IP address of other devices.
This is a static setting that holds the ports open at
all times
Port Triggers Use this page to configure TCP/UDP port
triggers. Port triggering is similar to port
forwarding, but is a dynamic function. In other
words, the ports are not held open, and the ports
close if no outgoing data is detected on the
selected ports for a period of 10 minutes