VLANs	ID	IP Ranges	Gateway	Purpose
OSAS-Public	190	8.43.85.192-239	8.43.85.254	direct Internet access
		2620:52:3:1::/64	2620:52:3:1:ffff:ffff:ffff:fffe
OSAS-Provisioning	430	172.24.30.1-249	172.24.30.254	provisioning of new hosts
OSAS-Management	431	172.24.31.1-249	172.24.31.254	equipments administration
OSAS-Internal	432	172.24.32.1-249	172.24.32.254	machines behind a reverse proxy (security, saves IPs…)