Currently, if a customer wants VLANx for their users.  They must implement them manually.  There's a command built into Centos:  nmtui

Verde servers on VLAN - guest images getting Server IP address

PCs on 10.xxx   IT in VLAN,  Probation in VLAN

Verde server:  192.168.1.50

#nmtui - Part of CentOS Minimum