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Message forwarding method and device

A packet forwarding and device technology, applied in the field of communications, can solve the problem of inability to guarantee fast network switching and traffic convergence, and achieve the effect of ensuring traffic convergence and fast switching

Active Publication Date: 2022-01-28
NEW H3C SECURITY TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the virtual switch instance (virtual switch instance, VSI), different external Layer 2 devices access the VTEP in the VXLAN network with different ACs. Therefore, when more devices are connected to the DR system, the more hardware entries of the AC interface need to be modified for traffic switching. Fast network switching and traffic convergence cannot be guaranteed

Method used

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  • Message forwarding method and device

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Embodiment Construction

[0013] A detailed description will be given with a plurality of examples shown in a plurality of drawings. In the following detailed description, numerous specific details are used to provide a thorough understanding of the application. Well-known methods, procedures, components and circuits have not been described in detail in order not to obscure the examples.

[0014] Among the terms used, the term "comprising" means including but not limited to; the term "comprising" means including but not limited to; the terms "above", "within" and "below" include the number; the terms "greater than" and "less than" mean not Include this number. The term "based on" means based on at least a portion thereof.

[0015] figure 1 Shown is a flowchart of an embodiment of the message forwarding method provided by the present application; the embodiment includes the following steps:

[0016] Step 101, recording in the flow table the traffic switching flow entry in the valid state written by ...

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Abstract

The invention provides a message forwarding method and device. The method comprises the following steps: recording a flow switching flow table entry in an effective state written by a controller in a flow table; wherein a matching domain field of the flow switching flow table entry is a DR interface, and an instruction field of the flow switching flow table entry is sent through a VXLAN tunnel connected with neighbor distributed elastic DR equipment; searching an MAC address table item matched with a destination MAC address of the Ethernet data message to be forwarded in an MAC address table of the virtual exchange instance; searching an output port of an access link of the MAC address table entry as a local DR interface; and matching a flow switching flow table item based on the local DR interface in the flow table, packaging the Ethernet data message to be forwarded according to the packaging information of the VXLAN tunnel, and sending the Ethernet data message to the neighbor DR equipment through an output port of the VXLAN tunnel.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a message forwarding method and device. Background technique [0002] DRNI (Distributed Resilient Network Interconnect) technology virtualizes two physical devices into one device to achieve cross-device link aggregation, providing device-level redundancy protection and traffic load sharing. [0003] The two physical devices are connected through an IPL (Intra-Portal Link, internal control link), and periodically send DRCP messages to determine the DR interface (Distributed Relay interface, distributed aggregation interface) at both ends based on the DRCP negotiation message received from the peer device. ) numbers belong to the same DR group (Distributed-Relay group, distributed aggregation group), and if they belong to the same DR group, the DR system is formed. The IPL can be either an Ethernet aggregation link or a VXLAN tunnel. A VXLAN tunnel as an IPL is automat...

Claims

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Application Information

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IPC IPC(8): H04L45/745H04L45/243H04L12/46H04L101/622
CPCH04L45/745H04L45/245H04L45/54H04L12/4641Y02D30/50
Inventor 严进波李光
Owner NEW H3C SECURITY TECH CO LTD
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