Vote for Cisco VPN 3000 Series Concentrators
The Cisco VPN 3000 Series Concentrators are purpose-built, remote access virtual private network (VPN) platforms that incorporate high availability, high performance, and scalability with encryption and authentication techniques. Supported connectivity mechanisms include IP security (IPSec), Point-to-Point Tunneling Protocol (PPTP), Layer 2 Tunneling Protocol (L2TP) over IPSec, and Cisco WebVPN (clientless secure sockets layer [SSL] browser-based connectivity).