Cisco ASA Series Cli Configuration Manual page 343

Chapter 1 Information About Failover
Scenario 3—Recommended
If the ASA data interfaces are connected to more than one set of switches, then a failover interface can
be connected to one of the switches, preferably the switch on the secure side of network, as shown in
Figure
Figure 1-5
Primary
Scenario 4—Recommended
The most reliable failover configurations use a redundant interface on the failover interface, as shown in
Figure 1-6
Figure 1-6
Primary
1-5.
Connecting with a Secure Switch
Switch 1
outside
Switch 3
Failover link
inside
and Figure 1-7.
Connecting with Redundant Interfaces
Switch 1
outside
Active redundant
failover link
Standby redundant
failover link
Switch 5
inside
Switch 2
outside
ISL
Switch 4
Failover link
ISL
inside
Switch 2
outside
ISL
Switch 3
Active redundant
failover link
Switch 4
Standby redundant
failover link
Switch 6
inside
ISL
Cisco ASA Series CLI Configuration Guide
Failover and Stateful Failover Links
Secondary
Secondary
1-7