The WAN Interface List displays the WAN Interfaces you have configured on the section 4.5.1
WAN Settings and its default MAC Address. You can select the corresponding WAN Interface from
the drop-down list and click Clone MAC To button to clone your current PC MAC, and then click
Save.
Figure 4-18
Note:
Only the WAN Ports can use MAC Address Clone function. All the clone MAC addresses must not
be the same with each other.
4.5.6 ALG Settings
Choose menu “Network”“ALG Settings”, and then you can configure the basic security in the
screen as shown in Figure 4-19.
Figure 4-19
Virtual Private Network (VPN): VPN Pass-through must be enabled if you want to allow VPN
tunnels using VPN protocols to pass through the modem router.
• PPTP Pass-through: PPTP (Point-to-Point Tunneling Protocol) allows the
Point-to-Point Protocol (PPP) to be tunneled through an IP network. To allow PPTP
tunnels to pass through the modem router, click Enable.
• L2TP Pass-through: L2TP (Layer Two Tunneling Protocol) is the method used to
enable Point-to-Point sessions via the Internet on the Layer Two level. To allow L2TP
tunnels to pass through the modem router, click Enable.
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