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your Local Area Network (LAN). If you do not want to enable NAT (atypical) and wish the user of this gateway to access the
Internet normally, you need to add a route on the uplink equipment. Failure to do so will cause access to the Internet to fail.
The fields on this page are explained in the following table.
FIELD NAME DESCRIPTION
Enable NAT Enable sharing the WAN interface across multiple devices on the LAN. Also enables the
functions in the NAT sub-menu and addition PPPoE NAT features to select.
Note: This option and its related options are not available when IPv6 is selected as the
Internet protocol.
Enable Fullcone NAT (Appears when Enable NAT is selected) Enables what is known as one-to-one NAT.
Enable SIP ALG (Appears when Enable NAT is selected) Enables Session Initiation Protocol (SIP) pass-
through NAT. Used for Voice over IP (VOIP) applications.
Enable Firewall Select to enable functions in the Security sub-menu.
Enable IGMP Multicast
Proxy
Click to enable Internet Group Membership Protocol (IGMP) multicast. Used by IPv4 hosts
to report multicast group memberships to any neighboring multicast routers.
Enable IGMP Multicast
Source
Select to enable this service to act as an IGMP multicast source.
Use Base MAC Address
on this WAN interface
Use SmartRG Devices Base (Primary) MAC address. When unchecked, a unique MAC per
service is assigned.
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