Forwarding method and device for access traffic of dual-homing device, and storage medium

Abstract

The embodiment of the invention relates to the technical field of communication, and discloses a forwarding method and device for access traffic of dual-homing equipment and a storage medium. The method comprises the following steps: detecting whether a network card working mode of a server is a static main / standby mode or not according to a pre-configured working mode control parameter, wherein the value of the working mode control parameter is used for indicating the working mode of the network card of the server; if the working mode of the network card of the server is a static active / standby mode, after receiving the unicast traffic of the network side, synchronizing the unicast traffic of the network side to the first dual-homing device through a peerlink interface set as an application protocol synchronization interface, so the first dual-homing device sends the unicast traffic of the network side to the server; therefore, the uplink and downlink flow paths of the access flow link of the dual-homing device are consistent, part of flow is prevented from being sent to a standby network card of a server, and the stability and reliability of dual-homing flow access forwarding are ensured.

Description

technical field [0001] The present invention relates to the field of communication technologies, and in particular to a method, device and storage medium for forwarding access traffic of dual-homing devices. Background technique [0002] MC-LAG (Multi-Chassis Link Aggregation Group, multi-chassis link aggregation) is a mechanism to realize cross-device link aggregation. It is an extension based on LACP and can form cross-device link aggregation protection and load sharing. MC-LAG is a typical dual-homing access scenario. The switch or server performs cross-device link aggregation with two other devices through the MC-LAG mechanism to form a dual-active system, which can realize cross-device traffic load sharing. Forward. Moreover, MC-LAG technology is essentially a control plane virtualization technology. It does not need to synchronize all information on the device, but only needs to synchronize some content related to interfaces and entries to ensure network reliability. ...

AI Technical Summary

Problems solved by technology

However, for the static active / standby mode, dynamic negotiation cannot be performed. Only one network card can send and receive traffic. It is uncertain which network card to use, and the other network card is used as a backup. If the traditional MC-LAG solution is used, when the upstream and downstream traffic paths When inconsistent, some traffic will be sent to the standby NIC, causing the traffic to be discarded

Images