How to check the vlan interface status via the CLI on ATP and USG Flex models?

Zyxel_Jeff

Question :
The user may need to use CLI commands to check vlan interface information for troubleshooting or maintenance purposes. This article will guide you on how to execute it.

Answer :
The user can use the CLI command "show interface all" to list the current firewall's interfaces first, as shown below:

If the user wants to check a specific VLAN interface, they can issue the CLI command "show interface the vlan interface name". For example, to check VLAN 93, the user can issue the CLI command show interface vlan93, as shown below: