PLANET SG-1000 - Manual (Page 140)

We set up four Virtual Server examples in this chapter:
No. Suitable
Situation
Example
Ex1 Mapped IP Make a single server that provides several services
such as FTP, Web, and Mail, to provide service by
policy.
Ex2 Virtual Server Make several servers that provide a single service,
to provide service through policy by Virtual Server.
(Take Web service for example)
Ex3 Virtual Server The external user use VoIP to connect with VoIP of
LAN. (VoIP Port: TCP 1720, TCP 15328-15333,
UDP 15328-15333)
Ex4 Virtual Server Make several servers that provide several same
services, to provide service through policy by
Virtual Server. (Take HTTP, POP3, SMTP, and
DNS Group for example)
Preparation
Apply for two ADSL that have static IP
(WAN1 static IP is 61.11.11.10~ 61.11.11.14)
(WAN2 static IP is 211.22.22.18~ 211.22.22.30)