ZyXEL Communications ISG50 Manuel D’Utilisation
Chapter 20 ALG
ISG50 User’s Guide
337
address B to receive calls through public WAN IP address 2. You configure corresponding policy
routes to have calls from LAN IP address A go out through WAN IP address
routes to have calls from LAN IP address A go out through WAN IP address
1
and calls from LAN IP
address B go out through WAN IP address 2.
Figure 223
VoIP with Multiple WAN IP Addresses
Finding Out More
for related information on these screens.
for a tutorial showing how to use the ALG for peer-to-peer H.323
traffic.
for ALG background/technical information.
20.1.3 Before You Begin
You must also configure the firewall and enable NAT in the ISG50 to allow sessions initiated from
the WAN.
the WAN.
ISG