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NE40E V800R010C00 Feature Description - VPN 01

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Overview of L2TPv3

Overview of L2TPv3

Definition

Layer 2 Tunneling Protocol (L2TP), which integrates the advantages of Layer 2 Forwarding (L2F) and Point-to-Point Tunneling Protocol (PPTP), is an industry standard of IETF for tunneling Layer 2 circuits across a packet switched network (PSN). L2TP provides a mechanism for establishing PPP sessions over a non-P2P network. L2TPv3, the third version of L2TP, can transparently transmit Layer 2 traffic between CEs over a PSN.

Figure 5-1  Networking for L2TPv3

Purpose

L2TPv3 enables carriers to provide Ethernet services on public IP networks, allowing enterprises to enjoy services at lower prices. L2TPv3 does not have new requirements for the IP transmission infrastructure and therefore is easy to implement.

Benefits

L2TPv3 has a flexible identify authentication mechanism and features high security. L2TPv3 can enhance data transmission security by means of channel encryption, E2E data encryption, or application-layer data encryption.

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Updated: 2018-07-04

Document ID: EDOC1100027166

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