ProSafe Dual WAN Gigabit Firewall with SSL & IPsec VPN FVS336G Reference Manual
2-14 Connecting the FVS336G to the Internet
v1.2, June 2008
2. In the Port Mode section, select Auto-Rollover Using WAN port.
3. From the pull-down menu, choose which WAN port will act as the primary link for this mode.
4. In the WAN Failure Detection Method section, select one of the following detection failure
methods:
•DNS lookup using ISP DNS Servers. DNS queries are sent to the DNS server configured
on the WAN ISP pages (see “Configuring the Internet Connections” on page2-4).
•DNS lookup using this DNS Server. Enter a public DNS server. DNS queries are sent to
this server through the WAN interface being monitored.
•Ping to this IP addresses. Enter a public IP address that will not reject the Ping request
and will not consider Ping traffic to be abusive. Queries are sent to this server through the
WAN interface being monitored.
5. Enter a Retry Interval in seconds. The DNS query or Ping is sent periodically after every test
period. The default test period is 30 seconds.
Figure 2-11