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A loop avoidance method, device and terminal equipment

A loop and link technology, applied in the field of devices, terminal equipment, and loop avoidance methods, can solve problems such as unreliability, inability to avoid loops in the entire network, inconsistent network interfaces, etc., to avoid packet loss and improve reliability. , to achieve the effect of avoiding loops in the whole network

Active Publication Date: 2022-04-01
TP-LINK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, after the above solution changes the network location by roaming or plugging and unplugging the network cable, the packet receiving network interface and the network interface recorded in the FDB entry will be inconsistent, resulting in a loop to avoid misjudgment and packet loss.
Although the existing technology avoids misjudgment of packet loss by monitoring roaming and plugging and unplugging network cable events, this method is not reliable and cannot avoid network-wide loops

Method used

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  • A loop avoidance method, device and terminal equipment
  • A loop avoidance method, device and terminal equipment
  • A loop avoidance method, device and terminal equipment

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Embodiment Construction

[0044] 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 creative efforts fall within the protection scope of the present invention.

[0045] see figure 1 , figure 1 It is a schematic flowchart of an embodiment of the loop avoidance method provided by the present invention. Such as figure 1 As shown, the method includes steps 101 and 102, and each step is specifically as follows:

[0046] Step 101: According to the preset interface label, perform label configuration on all network interfaces, so that there is only one Backhaul link between all Backhaul network interfaces to send and receive bro...

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Abstract

The invention discloses a loop avoidance method, device and terminal equipment. In the method, all interfaces are tagged and configured according to preset interface tags to form a loop avoidance strategy among multiple Backhauls, so that all Backhaul network interfaces only There is a Backhaul sending and receiving broadcast messages, and the messages received from one Backhaul are not allowed to be sent from other Backhauls, and the messages sent from one Backhaul are not allowed to be received from other Backhauls; after marking configuration, the interval between receiving packets is judged twice Whether to exceed the set time to control the network interface to release or discard packets. Adopting the technical scheme of the invention can improve the reliability of avoiding loops among multiple Backhauls, and realize the avoiding of loops in the whole network.

Description

technical field [0001] The present invention relates to the field of communication technologies, in particular to a loop avoidance method, device and terminal equipment. Background technique [0002] Loop avoidance is mainly used to prevent packets from looping between multiple Backhaul (backhaul links), which will cause problems such as broadcast storms and affect network communication. However, in the prior art, QCA Wi-Fi SON has a corresponding loop avoidance scheme, specifically: the message sent from one Backhaul is not allowed to be received from other Backhaul, and by checking the correspondence between the receiving network interface and the MAC address of the message source It is determined whether the network interface recorded on the bridge FDB (Forwarding DataBase) entry is consistent. [0003] However, after the above solution changes the network location by roaming or plugging and unplugging the network cable, the packet receiving network interface will be inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L45/18H04L45/28
CPCH04L45/18H04L45/28
Inventor 赵嘉麒张琪
Owner TP-LINK