Airtel DTH Services Senior Executive Engineer Interview Questions and Answers

L2VPN stands for Layer 2 Virtual Private Network, which allows for the extension of a local area network (LAN) over a wide area network (WAN).

• L2VPN operates at the data link layer (Layer 2) of the OSI model.

• It enables the transparent transfer of Ethernet frames between sites.

• L2VPN can be implemented using technologies such as Virtual Private LAN Service (VPLS) or Ethernet over MPLS (EoMPLS).

• It provides secure and priva...read more

L3VPN is a technology that allows multiple customers to use the same provider's network, while keeping their traffic separate.

• L3VPN uses MPLS to create virtual private networks for different customers on a shared network infrastructure.

• Each customer's traffic is kept separate using VPN routing and forwarding tables.

• L3VPN provides secure and efficient communication between different sites of a customer's network.

• It allo...read more