Table 9. Options Menu Option
Option
Description
WAN Blocking
Prevents the cable modem/router or the PCs behind it from being visible to
the WAN (i.e. from the Internet). For instance, pings to the cable
modem/router’s WAN IP address or to the devices behind it are not
returned. 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.
RgPassThrough
Allows PCs behind the cable modem/router to bypass the cable
modem/router DHCP server and NAT functions. PCs or other IP devices
can be added to the passthrough table by entering the MAC addresses of the
devices into the passthrough table.
42