Edimax ER-1088 Available from Edimax USA Manual - Page 37

Virtual Server

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Virtual Server This feature allows you to make Servers on your LAN accessible to Internet users. Normally, Internet users would not be able to access a server on your LAN because: • Your Server's IP address is only valid on your LAN, not on the Internet. • Attempts to connect to devices on your LAN are blocked by the firewall in the Multi-WAN VPN Link Balancer. The "Virtual Server" feature solves these problems and allows Internet users to connect to your servers, as illustrated below. PC using FTP Server (ftp://205.20.45.34) Web Server (192.168.1.45) PC using Web Server (http://205.20.45.34) 205.20.45.34 (WAN) FTP Server (192.168.1.20) 192.168.1.1 (LAN) Multi-WAN VPN Link Balancer Figure 4-4: Virtual Server Note that, in this illustration, both Internet users are connecting to the same IP Address but using different protocols. Connecting to the Virtual Server Once configured, anyone on the Internet can connect to your Virtual Servers. They must use the Multi-WAN VPN Link Balancer's Internet IP Address (the IP Address allocated by your ISP). e.g. http://205.20.45.34 ftp://205.20.45.34 • To Internet users, all virtual Servers on your LAN have the same IP Address. This IP Address is allocated by your ISP. • This address should be static, rather than dynamic, to make it easier for Internet users to connect to your Servers. However, you can use the Dynamic DNS feature (explained later in this chapter) to allow users to connect to your Virtual Servers using a URL, instead of an IP Address. e.g. Page 33

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Virtual Server
This feature allows you to make Servers on your LAN accessible to Internet users. Normally, Internet
users would not be able to access a server on your LAN because:
•
Your Server's IP address is only valid on your LAN, not on the Internet.
•
Attempts to connect to devices on your LAN are blocked by the firewall in the Multi-WAN VPN Link
Balancer.
The "Virtual Server" feature solves these problems and allows Internet users to connect to your
servers, as illustrated below.
FTP Server
(192.168.1.20)
Web Server
(192.168.1.45)
192.168.1.1 (LAN)
205.20.45.34 (WAN)
PC using FTP Server
PC using Web Server
Multi-WAN VPN Link Balancer
Figure 4-4: Virtual Server
Note that, in this illustration, both Internet users are connecting to the same IP Address but using
different protocols.
Connecting to the Virtual Server
Once configured, anyone on the Internet can connect to your Virtual Servers. They must use the
Multi-WAN VPN Link Balancer's Internet IP Address (the IP Address allocated by your ISP).
e.g.
•
To Internet users, all virtual Servers on your LAN have the same IP Address. This IP Address is
allocated by your ISP.
•
This address should be static, rather than dynamic, to make it easier for Internet users to connect
to your Servers. However, you can use the
Dynamic DNS
feature (explained later in this chapter)
to allow users to connect to your Virtual Servers using a URL, instead of an IP Address.
e.g.
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