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A method and device for switching non-known unicast packets between tunnels

A technology of unicast message and switching device, which is applied in the field of communication, and can solve problems such as time-consuming, disconnection, message loss, etc., and achieve the effects of rapid migration, message loss mitigation, and message loss reduction

Active Publication Date: 2020-11-10
NEW H3C TECH CO LTD
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Problems solved by technology

[0004] However, a VTEP corresponds to multiple VSIs, and these multiple VSIs are bound to the same main tunnel. The broadcast packets of all VSIs are forwarded to the main proxy server through the main tunnel. A VSI binding relationship, and then establish the binding relationship between the standby proxy server tunnel (referred to as the standby tunnel) and each VSI. A large number of texts are lost

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  • A method and device for switching non-known unicast packets between tunnels
  • A method and device for switching non-known unicast packets between tunnels
  • A method and device for switching non-known unicast packets between tunnels

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Embodiment Construction

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without...

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Abstract

The present application provides a method and device for switching an unknown unicast message between tunnels, which relates to the field of communications. The method includes: binding each of multiple tunnels to multiple VSIs, and Configure the tunnel state for each tunnel after setting; among them, the main tunnel in multiple tunnels is configured as valid forwarding state, and the standby tunnel is configured as suppressed forwarding state; the unknown unicast report is forwarded through the primary tunnel configured as valid forwarding state In the process of forwarding unknown unicast packets through the main tunnel, if the failure of the main tunnel is detected, the tunnel state of the backup tunnel will be switched to the same effective forwarding state as the main tunnel before the failure, so as to pass the switchover The backup tunnel forwards non-known unicast packets. Among them, the tunnel-based tunnel state switching only operates the hardware once and takes very little time to operate the hardware, which improves the tunnel switching speed of the unknown unicast packets and realizes the fast migration of the unknown unicast packets between tunnels.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular, relates to a method and device for switching an unknown unicast message between tunnels. Background technique [0002] In the data center network, the Layer 2 interconnection between sites needs to be carried out through the Internet Protocol (IP) core network. When there are many sites, flooding proxy is usually used to transmit messages to save The occupation of IP core network bandwidth resources by documents. [0003] In the flooding proxy mode, when a primary proxy server and multiple backup proxy servers are usually deployed in the data center, all VTEPs in the same VXLAN establish tunnels with each proxy server. After VTEP receives the flooding message from the local site, it will flood the message in the local site and send the flooding message to the main proxy server through the main tunnel, and the main proxy server will receive the flooding message ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/707H04L29/08H04L45/24
CPCH04L12/4633H04L12/4641H04L45/22H04L67/56
Inventor 程剑锋
Owner NEW H3C TECH CO LTD
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