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VxLAN gateway and method for connecting host computer to Internet based on same

A technology for accessing the Internet and LAN ports, which is applied in the field of computer networks to improve network performance and user experience, and save network resources.

Active Publication Date: 2017-05-10
CHINA TELECOM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The enterprise actually pays excess traffic expenses for surfing the Internet

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  • VxLAN gateway and method for connecting host computer to Internet based on same
  • VxLAN gateway and method for connecting host computer to Internet based on same
  • VxLAN gateway and method for connecting host computer to Internet based on same

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Embodiment Construction

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0028] figure 2 It is a schematic diagram of a scene of a method for a host to access the Internet based on a VxLAN gateway in the present invention. Take two LANs in the VxLAN interworking domain as an example. For example, figure 2 As shown, the first local area network 14 has a VxLAN gateway 2...

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Abstract

The invention discloses a VxLAN gateway and a method for connecting a host computer to the Internet based on the same. The method comprises the following steps: a VxLAN gateway responds to an ARP query broadcasted by a host computer in a local area network (LAN) for querying the MAC address of a default gateway, and replies to the ARP query with the MAC address of the LAN port of the VxLAN gateway to guide the host computer in the LAN to send Internet traffic to the LAN port of the VxLAN gateway; and the VxLAN gateway receives the Internet traffic sent by the host computer in the LAN through the LAN port, carries out network address translation on the Internet traffic, and then sends the Internet traffic to the Internet via a WAN port. The VxLAN gateway replies to the ARP query of the host computer in the LAN with the MAC address of the LAN port of the VxLAN gateway to guide the host computer in the LAN to send Internet traffic to the LAN port of the VxLAN gateway, so that the Internet traffic in the LAN can be sent to the Internet through the VxLAN gateway directly without via other VxLAN gateways. Thus, network resources are saved, and the network performance and user experience are improved.

Description

technical field [0001] The invention relates to the field of computer networks, in particular to a VxLAN gateway and a method for a host to access the Internet based on a VxLAN (Virtual Extensible Local Area Network, Virtual Extensible Local Area Network) gateway and the VxLAN gateway. Background technique [0002] In the traditional way, government and enterprise users use VxLAN technology to achieve large-scale two-layer connectivity, and assign addresses to hosts through a unified DHCP (Dynamic Host Configuration Protocol) server. [0003] The DHCP server cannot distinguish hosts from different LANs (that is, enterprise branches) in the same Layer 2 intercommunication domain, and can only assign addresses in the same network segment and the same default gateway to all hosts. This requires hosts in the entire VxLAN Layer 2 interworking domain to access the Internet through the same egress. like figure 1 As shown, the Internet egress 12 of each LAN is located in the first...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L29/12
CPCY02D30/50
Inventor 李实陈仲华金凌
Owner CHINA TELECOM CORP LTD
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