User manual
2
When you are done with your selections, click on the Apply button.
Table 23. Options Menu Option
Option Description
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.
WAN Blocking
IPSec/PPTP
PassThrough
Enable to support VPN devices or software on your network.
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.
Multicast
Enable
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.
Primary
Network
Bridged
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.
NAT ALG
Status
Enter the MAC Address that you want to passthrough and click the
Add Mac Address button.
PassThrough
Mac Addresses
95