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A method and device for creating a forwarding entry

A technology for forwarding entries and forwarding services, applied in the field of VXLAN networking

Active Publication Date: 2021-02-05
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, each VTEP that does not deploy the EVPN protocol on the control plane cannot realize the synchronization of forwarding entries only through the VXLAN network, which brings limitations to the existing network mode.

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  • A method and device for creating a forwarding entry
  • A method and device for creating a forwarding entry
  • A method and device for creating a forwarding entry

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Embodiment Construction

[0078] 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. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0079] For the convenience of discussion, an application scenario of an embodiment of the present invention will be described below, see figure 1 , figure 1 Shown is a schematic structural diagram of a VXLAN networking based on MLAG technology, including a first VTEP device 110, a second VTEP device 120, a third VTEP device 130, a first VM 140, a second VM 150, and an LSW (Local Switch, integrated interface Incoming switch) interface 160.

[0080] The first ...

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Abstract

The embodiment of the present invention provides a forwarding entry creation method, device and VTEP equipment. Wherein, the method includes: receiving the first synchronization message sent by the second VTEP device through IPL, the first synchronization message includes the address information of the target VM and the identification information of the first interface, and the first interface is for the target VM to access the second VTEP The interface of the device; from the multiple interfaces in the first VTEP device, search whether there is a second interface that matches the identification information of the first interface; if there is a second interface that matches the identification information of the first interface, then according to the target Create a forwarding entry of the target VM based on the address information of the VM and the found second interface, so that when a forwarded service message sent to the target VM is received, the service message is forwarded to the target VM through the found second interface . When the EVPN protocol is not deployed, VXLAN networking can be used to implement the synchronization of forwarding entries between VTEP devices in the DR system.

Description

technical field [0001] The present invention relates to the technical field of VXLAN networking, in particular to a method and device for creating a forwarding entry. Background technique [0002] In the DR (Distributed Resient, distributed aggregation) system created based on MLAG (MultiChassis Link Aggregation Group, cross-device link aggregation group) technology, two devices can be aggregated through DRNI (Distributed Resilient Network Interconnect, distributed elastic network interconnection) technology into a virtual device to achieve cross-device link aggregation. When the traffic load of one device is high, the other device can be used to share the traffic load. And when one of the devices fails, the other device can continue to forward packets to avoid link blocking and realize device-level redundancy protection. [0003] In the prior art, a VTEP (Virtual extensible local area ntwork Tunnel End Point, virtual extended local area network tunnel end point) device in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/741H04L12/28H04L45/74
CPCH04L12/28H04L12/4633H04L12/4641H04L45/745
Inventor 唐成黄李伟
Owner NEW H3C TECH CO LTD
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