VT AIR offers high firewall performance with NFTables, Flowtable Offload Technology and, in the future, XDP / eBPF.

VT AIR comes fully equipped with high availability functionality. Use virtual IPs (VRRP) between multiple VT AIRs to enable failover without interruptions. The VT AIR configuration is automatically transferred from the master to the [...]

QoS is implemented with the Linux tool Traffic Control (TC) and allows incoming (ingress) or outgoing (egress) traffic to be classified according to categories and rules. QoS can easily be assigned to clients via [...]

FRR is used for dynamic routing, which allows BGP and OSPF (v4 or v6).

VT AIR offers static and dynamic routes. Gateways can be monitored using ping and intelligently interconnected in routing tables, either in failover or load balancing mode. A policy routing can also be set using [...]

VT AIR offers a multitude of options for using and configuring interfaces. Real Interface, VLAN, QinQ, Bond, Bridge, PPP, PPTP, GRE, IPIP, SIT SHDSL, VDSL and MacVLAN are supported. In addition, various settings can [...]