hostname(config)# same-security-traffic permit inter-interface
Redundant Interface
Software Version 8.0 introduces the capability to create redundant interface pairs that group multiple physical
interfaces into a logical group to provide an active/standby environment. When the active interface fails, the
standby interface becomes active and starts passing traffic. This feature offers increased reliability and ensures
traffic will pass when there is a problem with a physical interface. Note that this feature is separate from devicelevel
failover. Redundant interfaces can be configured along with regular failover configuration. The Security
Appliance supports up to eight redundant interface pairs.
Perform the following steps to configure a redundant interface on the Security Appliance.
Step 1. Enable the logical redundant interface by using the following commands from the global
configuration mode. The number argument is an integer value between 1 and 8.
firewall(config)# interface redundant number
Step 2. Add the first member interface to the redundant interface logical group.
firewall(config-if)# member-interface 1st_physical_interface
Step 3. Add the second member interface to the redundant interface logical group.
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