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To enable a feature:
1
Click the appropriate check box (a check mark will appear).
2
When you are done with your selections, click on the
Apply
button.
Table 10. Options Menu Option
Option
Description
WAN Blocking
Prevents the Cable Modem/Router or the PCs from responding to
pings to the Cable Modem/Router’s WAN IP address or to the
devices behind it. This makes it more difficult for hackers to attack
your PCs and other devices on your network.
IPSec/PPTP
PassThrough
Enable to support VPN devices or software on your network.
Remote
Configuration
Management
Allows the Cable Modem/Router to be remotely administered at
port 8080. When enabled, navigate to http://CMIPAddress:8080/ to
administer the Cable Modem/Router remotely). You can find your
CM: WAN IP address on the
Basic Setup
page.
Multicast
Enable
Allows multicast specific traffic (denoted by a multicast specific
address) to be passed to and from the PCs on the private network
behind the Cable Modem/Router.
UPnP Enable
Select Enable to enable the UPnP agent in the Cable
Modem/Router. If you are running an application that requires
UPnP, check this box.
Primary
Network
Bridged
Allows all LAN hosts to bypass NAT and the Cable Modem/Router's
LAN DHCP Server. Adding MAC addresses into the table is not
required. If MAC addresses are added to the table then only those
MAC addresses in the list will bypass NAT and the LAN DHCP. All
other LAN hosts NOT in the list will use the NAT and LAN DHCP
Server as normal.
NAT ALG
Status
The NAT ALG section shows which ALGs (Application Layer
Gateway) are allowed to pass through the NAT Firewall.
Most
users will not need to change these settings.
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