Using 
	
	
	
		

Using
However, when using the following config, the Proxmox VE 7 webinterface shows "unknown" as type and no longer displays CIDR etc.:
	
	
	
		

				
			ifupdown, the following config used to be valid and correctly displayed in the Proxmox VE 7 webinterface:
		Code:
	
	auto vlan1120
iface vlan1120 inet static
    vlan-raw-device vmbr2
    address 172.16.0.17/27
Using
ifupdown2 there is no need to add inet static any longer. See https://cumulusnetworks.github.io/ifupdown2/ifupdown2/userguide.html#configuration-files for details.However, when using the following config, the Proxmox VE 7 webinterface shows "unknown" as type and no longer displays CIDR etc.:
		Code:
	
	auto vlan1120
iface vlan1120
    vlan-raw-device vmbr2
    address 172.16.0.17/27
 
	 
	