Table entry generation method and device

A table entry and forwarding table entry technology, applied in the communication field, can solve the problems of unable to forward data packets, unable to send data packets, and unable to send data packets to hosts 15, etc.

Active Publication Date: 2021-01-05
NEW H3C SECURITY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the above application scenario, after VTEP12 receives the data packet, if VTEP12 does not have a forwarding entry matching the host 15, then VTEP12 cannot forward the data packet to VTEP14, resulting in VTEP14 being unable to send the data packet to Host 15
Or, after VTEP13 receives the data message, if VTEP13 does not have a forwarding entry that matches host 15, then VTEP13 cannot forward the data message to VTEP14, resulting in VTEP14 being unable to send the data message to host 15

Method used

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  • Table entry generation method and device

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Embodiment Construction

[0030] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, rather than limiting the embodiments of the present application. The singular forms of "a", "said" and "the" used in the embodiments and claims of this application are also intended to include plural forms, unless the context clearly indicates otherwise. As used herein, the term "and / or" is meant to include any and all possible combinations of one or more of the associated listed items.

[0031]It should be understood that although the embodiments of the present application may use terms such as first, second, and third to describe various information, such information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of the embodiments of the present application, first information may also be called second information, and simil...

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Abstract

The invention provides a table entry generation method and device, and the method comprises the steps: forwarding a data message transmitted by opposite-end network equipment to a first host through an aggregation port when the data message is received through a first tunnel; adding a forwarding table entry in a forwarding table of a first distributed gateway, the destination address of the forwarding table entry being the address of a second host, and the egress port of the forwarding table entry being the tunnel identifier of the first tunnel; and sending a table entry synchronization message to a second distributed gateway, the table entry synchronization message comprising the address of the second host and the tunnel information of the first tunnel, so that the second distributed gateway adds the forwarding table entry to a forwarding table of the second distributed gateway according to the table entry synchronization message. According to the technical scheme of the embodiment ofthe invention, after the first distributed gateway or the second distributed gateway receives the data message through the aggregation port, the data message is sent based on the forwarding table entry, so that the data message is correctly forwarded.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular to a method and device for generating entries. Background technique [0002] VXLAN (Virtual eXtensible Local Area Network, scalable virtual local area network) is based on IP network, using "MAC (Media Access Control, Media Access Control) in UDP (User Datagram Protocol, User Datagram Protocol)" encapsulation form of two-layer VPN ( Virtual Private Network, virtual private network) technology. Based on the existing service provider or enterprise IP network, VXLAN can provide Layer 2 interconnection for scattered sites and provide service isolation for different tenants. [0003] In order to improve the reliability of the VXLAN network, you can use the distributed aggregation VXLAN networking mode, see figure 1 As shown, the physical port 111 and the physical port 112 of the host 11 are added to the aggregation port A, and the physical port 121 of the VTEP12 ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/66H04L12/741H04L45/74
CPCH04L12/4641H04L12/4633H04L45/74H04L12/66
Inventor 王丽媛
Owner NEW H3C SECURITY TECH CO LTD
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