Billion Electric Company BiGuard 30 Manual De Usuario

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planning. The following sections demonstrate the various ways of using BiGuard 30 
to setup your VPN. 
 
2.6.2    VPN Planning - Fail Over 
 
Configuring your VPN with Fail Over allows BiGuard 30 to automatically default to 
WAN2 should WAN1 fail. 
 
 
 
Because the dynamic domain name biguard.billion.com is configured for both WAN1 
and WAN2, the active WAN port will announce the domain name through the WAN IP 
address. The remote gateway will then be able to connect to the VPN through the 
domain name. 
 
In this Gateway to Gateway example, BiGuard 30 is communicating to a remote 
gateway using WAN1 through a secure VPN tunnel. Should WAN1 fail, outbound 
traffic from BiGuard 30 will automatically be redirected to WAN2. This process is 
completely transparent to the remote gateway, as BiGuard 30 will automatically 
update the domain name (biguard.billion.com) with the WAN2 IP address. 
Configuring a Gateway to Multiple Gateway setup with Fail Over is similar, as shown 
below: 
 
biguard.billion.com 
Before Fail Over
After Fail Over
192.168.2.x 
192.168.2.x 
200.200.200.1 
200.200.200.1 
192.168.3.x 
192.168.3.x 
biguard.billion.com 
BiGuard30 
BiGuard30 
BiGuard10 
BiGuard10