White Paper Abstract:
This document discusses that Layer 2 Tunneling Protocol version 3 (L2TPv3) allows service providers and large enterprises with native IP core networks to offer high-speed Layer 2 tunneling or VPN services to end-user customers, in conjunction with their Layer 3 VPN offerings. L2TPv3 VPN services can be provided without increasing the expenditure for capital equipment by simply upgrading Cisco IOS Software. L2TPv3 is provided as part of the Unified VPN portfolio of leading-edge VPN technologies available over the widest breadth of Cisco routers.