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A method and device for synchronizing forwarding entries

A forwarding table entry, the same technology, applied in the field of computer communication, can solve the problem of reducing the synchronization speed of forwarding table entries, congestion and other problems

Active Publication Date: 2020-11-06
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when VTEP11 synchronizes the forwarding entries to VTEP12 through Rlink, the forwarding entries to be synchronized will be forwarded together with the data traffic, which will cause congestion and greatly reduce the synchronization speed of the forwarding entries

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  • A method and device for synchronizing forwarding entries
  • A method and device for synchronizing forwarding entries
  • A method and device for synchronizing forwarding entries

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Embodiment Construction

[0038] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0039] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

This application provides a method and device for synchronizing forwarding entries. The method can be applied to any VTEP device in the distributed aggregation system, including: receiving the first EVPN route notification message from the peer VTEP; checking the first EVPN Whether the source of the route notification message is in the same distributed aggregation system as the device; when it is checked that the source of the first EVPN route notification message is in the same distributed aggregation system as the device, according to the first EVPN route notification message, Generate the first forwarding entry. Since the EVPN route notification message is used to synchronize the forwarding entries, the synchronization speed of the forwarding entries in the distributed aggregation system can be improved.

Description

technical field [0001] The present application relates to the field of computer communication, in particular to a method and device for synchronizing forwarding entries. Background technique [0002] EVPN (Ethernet Virtual Private Network, Ethernet Virtual Private Network) is a Layer 2 VPN technology. It uses BGP (Border Gateway Protocol, Border Gateway Protocol) on the control plane to advertise routing information, and uses VXLAN (Virtual eXtensible LAN) on the data plane. , scalable virtual local area network) encapsulation to forward user packets. [0003] figure 1 It shows a distributed aggregation system in the EVPN networking, such as a DR (Distributed Relay, distributed aggregation) system. exist figure 1 In the shown networking, VTEP11 (VXLAN Tunnel End Point, VXLAN tunnel end point) and VTEP12 can form a DR system. VTEP11 and VTEP12 can be connected to VM11 (Virtual Machine, virtual machine) through a distributed aggregation interface, and VM11 is connected to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/721H04L12/741H04L29/08H04L45/74
CPCH04L12/4633H04L12/4641H04L45/44H04L45/74H04L67/1095H04L67/1097
Inventor 黄李伟王伟
Owner NEW H3C TECH CO LTD