• Multi-WAN support
• High Availability
• IEEE 802.1Q inter-VLAN routing
• WAN load-balancing and fail-over modes
• SSL, IPsec, PPTP, and L2TP w/IPsec VPN support
• Web browser and Command Line Interface (CLI) Management
• Advanced web content filtering service powered by Router Limits™
• Online firmware notification and upgrade
• QoS for VoIP and media streaming

https://www.trendnet.com/support/support-detail.asp?prod=560_TWG-431BR#specifications