User guide

Chapter 4 – Configuration Examples
Multi-Tech Systems, Inc. RouteFinder RF850/860 Quick Start Guide (82100051L) 27
Example 3
Example 3 – Remote Client-to-LAN Configuration
Using DNAT and Aliasing
Use this procedure to configure the RouteFinder with DNAT and Aliasing. This configuration allows a Windows
Remote Client to Telnet through the RouteFinder to several Windows Operating Systems located on the LAN.
Remote Client-to-LAN Configuration Using DNAT and
Aliasing Through the RouteFinder
1. Networks & Services > Network screen
Enter: LAN Network, 192.168.2.0, 255.255.255.0
Enter WANInterface1, 204.26.122.103, 255.255.255.255
Enter WANInterface2, 210.26.122.104, 255.255.255.255
Enter WIN2k_Pro, 192.168.2.100, 255.255.255.255
Enter WIN2k_Server, 192.168.2.11, 255.255.255.255
2. Network Setup > Interface screen
Set default gateway at 204.26.122.1
Enter a host name (example: RF860.Site-A.com)
Enter Network Cards: (Cards 1 & 3 are defaulted)
Card 1: LAN (eth0), 192,168.2.1, 255.255.255.0
Card 2: WAN (eth1), 204.26.122.103, 255.255.255.0
Card 3: DMZ (eth2), 192.168.3.1 (this is a default)
3. Network Setup > Interface (IP Aliases section)
screen
Interface: Select LAN(eth0)
Enter IP Address: 204.26.122.104
Enter Net Mask: 255.255.255.255
Interface: Select: Select WAN (eth1)
Enter IP Address: 204.26.122.105
Enter Net Mask: 255.255.255.255
4. Network Setup > DNAT screen
Enter two profiles:
Pre DNAT Network: Select WANInterface1
Pre DNAT Service: Select Telnet
Post DNAT IP Address: Select Win2k_Pro
Post DNAT Service: Select Telnet
Pre DNAT Network: Select WANInterface2
Pre DNAT Service: Select Telnet
Post DNAT IP Address: Select Win2k_Server
Post DNAT Service: Select Telnet
5. Packet Filters > Packet Filter Rules screen
Add User Defined Packet Filter Rules
LAN – ANY – ANY – Accept
ANY – Telnet – Win2k_Pro – Accept
ANY – Telnet – Win2k_Server – Accept