Chapter 5 WAN Setup
P-2812HNU-51c User’s Guide
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5.5.1.4 NAT, IGMP Multicast and Firewall Activation
The screen is available only when you select IP over Ethernet in the WAN
Service Configuration screen or set the DSL link type to IPoA for the ATM
interface and configure a WAN connection using the ATM interface.
Figure 46 WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE/
IPoA
The following table describes the labels in this screen.
Back Click this button to return to the previous screen.
Next Click this button to continue.
Table 25 WAN Configuration: IPoA
LABEL DESCRIPTION
Table 26 WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE
LABEL DESCRIPTION
Enable NAT Select this option to activate NAT on this connection.
Select the type of NAT you want the P-2812HNU-51c to use for traffic
through this connection.
Enable Firewall Select this check box to activate Firewall on this connection.
Enable IGMP
Multicast Proxy
Select this check box to have the P-2812HNU-51c act as an IGMP
proxy on this connection. This allows the P-2812HNU-51c to get
subscribing information and maintain a joined member list for each
multicast group. It can reduce multicast traffic significantly.
Back Click this button to return to the previous screen.
Next Click this button to continue.
