User guide

10
Chapter 1 - Introduction
Connecting a Remote User to the Internet
In this application, the RF102S is used to connect up to 253 Internal IP addresses to the Internet
using a single shared external IP address.
Kernal: NAT (outgoing TCP/IP connection sharing single External Port IP or using
multiple IP Mapping)
• Virtual Server (allow incoming specific TCP/IP service request redirect to
internal server)
External: Fixed External Port IP and mask DNS IP, Gateway IP or DHCP client
(Dynamic IP for the device, DNS and Gateway assigned.)
Internal: Device Fixed IP
DHCP Server
Workstation
IP Address
192.168.0.106
Internet
Serial Device
RouteFinder
RF102S
Workstation
IP Address
192.168.0.105
Workstation
IP Address
192.168.0.104
Workstation
IP Address
192.168.0.103
IP Address
192.168.0.1
Connect Local Site (I External IP address = 253 Internal IP addresses)