How to create vlan interface on asa?

Question

Computer networks

How to create vlan interface on asa ? I installed a virtual machine with asa version 5520 and there is no possibility of creating a vlan interface, why is this impossible?

Answer 1

I could be wrong, but try creating interface Fa0/1.123, where 123 is vlan.
You can see the exact syntax of the interface names with the show interface description command.
You may not have Fa0/1, but somehow Ge0/1 or something like that.
On our old ciscos, the vlan was hung on the interface in this way

Answer 2

interface %interface_name%.%vlan_number%
vlan %vlan_number%
etc.
For example:

interface Ethernet0/0
 no nameif
 no security-level
 no ip address
!
interface Ethernet0/0.100
 vlan 100
 nameif ISP1
 security-level 0
 ip address 8.8.8.8 255.255.255.0