ZyXEL P-870H-53A v2 User Guide - Page 67

NAT, IGMP Multicast and Firewall Activation

Page 67 highlights

Chapter 5 WAN Setup 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. Figure 35 WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE The following table describes the labels in this screen. Table 16 WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE LABEL Enable NAT Enable Fullcone NAT Enable Address Mapping DESCRIPTION Select this check box to activate NAT on this connection. Select this check box to activate full cone NAT on this connection. This field is available only when you select Enable NAT. Select this check box to activate NAT address mapping on this connection. There is no default address mapping rule. You need to configure the address mapping rules manually in the NAT > Address Mapping screen. Address Mapping Set This field is available only when you configure a static IP address in the previous screen and select Enable NAT. Select the index number of the address mapping set that you want to use on this connection. Enable Firewall Enable IGMP Multicast Proxy This field is available only when you configure a static IP address in the previous screen and select Enable NAT. Select this check box to activate Firewall on this connection. Select this check box to have the ZyXEL Device act as an IGMP proxy on this connection. This allows the ZyXEL Device to get subscribing information and maintain a joined member list for each multicast group. It can reduce multicast traffic significantly. P-870H/HW Series User's Guide 67

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Chapter 5 WAN Setup
P-870H/HW Series User’s Guide
67
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.
Figure 35
WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE
The following table describes the labels in this screen.
Table 16
WAN Configuration: NAT, IGMP Multicast and Firewall Activation: IPoE
LABEL
DESCRIPTION
Enable NAT
Select this check box to activate NAT on this connection.
Enable Fullcone
NAT
Select this check box to activate full cone NAT on this connection.
This field is available only when you select
Enable NAT
.
Enable Address
Mapping
Select this check box to activate NAT address mapping on this
connection. There is no default address mapping rule. You need to
configure the address mapping rules manually in the
NAT > Address
Mapping
screen.
This field is available only when you configure a static IP address in
the previous screen and select
Enable NAT
.
Address Mapping
Set
Select the index number of the address mapping set that you want to
use on this connection.
This field is available only when you configure a static IP address in
the previous screen and select
Enable NAT
.
Enable Firewall
Select this check box to activate Firewall on this connection.
Enable IGMP
Multicast Proxy
Select this check box to have the ZyXEL Device act as an IGMP proxy
on this connection. This allows the ZyXEL Device to get subscribing
information and maintain a joined member list for each multicast
group. It can reduce multicast traffic significantly.