7-3. Firewall Failover Configuration Examples
This section presents several examples of firewall failover configuration, each with a different set of platforms or failover modes. In each example, two PIX Firewalls are configured as a failover pair. Each interface from the failover pair connects to a separate switch or VLAN so that the failover feature can exchange hello messages and detect failures.
Active-Standby Failover Example with PIX Firewalls
Figure 7-7 shows the IP addresses of each interface. The addresses of the standby unit interfaces are also given. Stateful failover is used so that connection state information is passed to the standby unit in real time. An example of failover using the serial failover cable is shown first, followed ...
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