Why l2 vpn

This service is similar to VPWS, but also supports heterogenous Attachment Circuits at either end of a single point-to-point service. E-Tree, a Layer-2 service defined by the MEF, which provides connectivity between one or more root nodes and one or more leaf nodes, with the restriction that leaf nodes may only communicate with root node s and not with each other. L2VPNs will make use of existing IETF specified mechanisms unless there are technical reasons why the existing mechanisms are insufficient or unnecessary.

The L2VPN WG will not define new encapsulations, control, or resiliency mechanisms specifically related to pseudowires. Mechanisms to permit optimization of multicast data traffic within an L2VPN. Toggle navigation Datatracker.

Thus, the backbone core switches do not need to know the VPN routes. Service providers can provide additional value-added services through network convergence that encompasses voice, video, and data. Other protocol packets are not supported. Help us improve your experience. Let us know what you think.

Do you have time for a two-minute survey? Maybe Later. Customer sites appear to be on the same LAN even if geographically dispersed. The customer has complete control over policies and routing. Customers must share information about their network topology. The service provider determines the policies and routing.