Billion BiGuard 30, Руководство пользователя

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traffic is uninterrupted by having BiGuard 30 default to WAN2 should WAN1 fail.
In the above example, an FTP Server (IP_192.168.2.2) and an HTTP Server
(IP_192.168.2.3) are connected to the Internet via WAN1 (ftp.billion.dyndns.org)
on BiGuard 30. A remote computer is trying to access these servers via the Internet.
Under normal circumstances, the remote computer will gain access to the network
via WAN1. Should WAN1 fail, Inbound Fail Over tells BiGuard 30 to reroute incoming
traffic to WAN2 by using the Dynamic DNS mechanism. Configuring your BiGuard 30
for Inbound Fail Over provides a more reliable connection for your incoming traffic.
Please refer to appendix H for example settings.
2.4.2 Inbound Load Balancing
Inbound Load Balancing allows BiGuard 30 to intelligently manage inbound traffic
based on the amount of load of each WAN connection.
ftp.billion.dyndns.org
Before Fail Over
192.168.2.2
192.168.2.3
ftp.billion.dyndns.org
After Fail Over
ftp ftp.billion.dydns.org
Remote Access from Internet
ftp ftp.billion.dydns.org
Remote Access from Internet
FTP
HTTP
192.168.2.2
192.168.2.3
FTP
HTTP