Maximum Number of VLAN Members by Device Model

The device model limits the maximum number of VLAN subinterfaces that you can configure. Note that you can configure subinterfaces on data interfaces only, you cannot configure them on the management interface. The following table explains the limits for each device model.

Model	Maximum VLAN Subinterfaces
Firepower 1010	60
Firepower 1120	512
Firepower 1140, Firepower 1150	1024
Firepower 2100	1024
Secure Firewall 3100	1024
Firepower 4100	1024
Firepower 9300	1024
ASA 5508-X	50
ASA 5515-X	100
ASA 5516-X	100
ASA 5525-X	200
ASA 5545-X	300
ASA 5555-X	500
ISA 3000	100