vxlan tunnel switching method and device

A tunnel and source port technology, applied in the field of network communication, can solve problems such as insufficient reliability of EVPN networking

Active Publication Date: 2021-06-08
NEW H3C TECH CO LTD
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Problems solved by technology

[0003] The basic EVPN networking architecture mainly includes: VM (Virtual Machine, virtual machine), CE (CustomerEdge, user edge) device and VTEP (VXLAN Tunnel End Point, VXLAN tunnel end point) device, VXLAN Tunnel, the physical port may fail during packet forwarding, resulting in insufficient reliability of EVPN networking

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  • vxlan tunnel switching method and device
  • vxlan tunnel switching method and device
  • vxlan tunnel switching method and device

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Embodiment approach

[0038] As an implementation manner, when the fault notification information is transmitted in a protocol message, that is, when it is transmitted through a BGP EVPN route, the fault notification information is an EVPN route, and the EVPN route includes a fault status tag and a first source associated with the fault status tag Port port1, EVPN routing information includes EVPN network 20 information RD, link information EthernetSegment Identifier, broadcast domain Ethernet Tag ID, source IP address Source IP Addresses, destination IP address destination IP Addresses, fault status flag and fault status flag Associated first source port CRC errorbit.

[0039] When the fault notification information is an EVPN route, the first VTEP device 30 sends the EVPN route to the second VTEP device 40 through the second source port port2, so that the second VTEP device 40 processes the service flow from the second VTEP device 40 according to the fault status flag. A first destination port po...

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Abstract

The present disclosure relates to the technical field of network communication, and provides a VXLAN tunnel switching method and device, which are applied to a first VTEP device in an EVPN network, and the method includes: when the first source port is detected to be faulty and the second source port is normal , switch the service traffic from the first VXLAN tunnel corresponding to the first source port to the second VXLAN tunnel corresponding to the second source port; send the failure notification information of the first source port to the second VTEP device through the second source port, In order to enable the second VTEP device to process service traffic. In this disclosure, when the current source port fails, the fault notification information is transmitted through the VXLAN tunnels corresponding to other detected normal source ports, which can ensure the reliable transmission of fault notification information and the correct switching of service traffic forwarding paths, and improve the efficiency of the EVPN group. network reliability.

Description

technical field [0001] The present disclosure relates to the technical field of network communication, and in particular, to a VXLAN tunnel switching method and device. Background technique [0002] EVPN (Ethernet Virtual Private Network, Ethernet Virtual Private Network) is a Layer 2 VPN (Virtual Private Network, Virtual Private Network) technology, and the control layer of EVPN adopts MP-BGP (Multiprotocol Border Gateway Protocol, Multiprotocol Border Gateway Protocol) Notify EVPN routing information, and the data layer uses VXLAN (Virtual eXtensible Local Area Network, extensible virtual local area network) encapsulation to forward packets. [0003] The basic EVPN networking architecture mainly includes: VM (Virtual Machine, virtual machine), CE (CustomerEdge, user edge) device and VTEP (VXLAN Tunnel End Point, VXLAN tunnel end point) device, VXLAN Tunnels, physical ports may fail during packet forwarding, resulting in insufficient reliability of EVPN networking. Conte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/24
CPCH04L12/4633H04L12/4641H04L41/0631H04L41/0668
Inventor 黄李伟王伟
Owner NEW H3C TECH CO LTD
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