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A method for releasing routing, and a virtual router redundancy protocol backup group and network

A technology of redundancy protocol and backup group, which is applied in the direction of data exchange network, digital transmission system, electrical components, etc., and can solve the problems of interruption of downlink message flow and inability to correctly distinguish member devices, etc.

Active Publication Date: 2015-04-29
CHINA MOBILE GRP GUANGDONG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The technical problem to be solved by the present invention is to provide a method for issuing routes, a virtual router redundancy protocol backup group, and a network, which are used to solve the problem in the prior art that when the VRRP backup group splits due to a layer-2 network, the network side cannot Correctly distinguish the member device of the next hop of the downlink packet flow, which may cause the downlink packet flow to be interrupted

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  • A method for releasing routing, and a virtual router redundancy protocol backup group and network

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Embodiment Construction

[0026] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.

[0027] The embodiment of the present invention provides a method for advertising routes, such as image 3 As shown, the virtual router redundancy protocol backup group (referred to as VRRP backup group) includes VRRP member devices. VRRP member devices are divided into: Master state member devices and Backup state member devices. The terminal devices pass through the (local) switch and the middle two Layer network equipment accesses the virtual router redundancy protocol backup group, and connects to the network side through the virtual router redundancy protocol backup group;

[0028] The method is applied to VRRP member devices, such as Figure 4 Shown, including:

[0029] Step 401: Use the link failure detection technology to detect the ...

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Abstract

An embodiment of the present invention provides a method for releasing routing, and a virtual router redundancy protocol backup group and network. The virtual router redundancy protocol VRRP backup group includes: a VRRP member apparatus. A terminal apparatus accesses the virtual router redundancy protocol backup group using a switch and a two-layer network apparatus, and accesses a network side via the virtual router redundancy protocol backup group. A link failure detection technique is used to detect a link connection state between the VRRP member apparatus and the switch. Moreover, a target network segment is configured in the VRRP member apparatus as a VRRP backup group located network segment. The next one is a static routing message of an interface of the VRRP backup group, wherein the static routing message is ganged with the connecting state of the link. The VRRP member apparatus sends the static routing message to the network side. When an abnormal situation in the connecting state of the link happens, the static routing message becomes invalid due to being ganged with the connecting state of the link, and the VRRP member apparatus revokes issuing the static routing message to the network side.

Description

Technical field [0001] The present invention relates to network routing technology, in particular to a method for issuing routes, a virtual router redundancy protocol backup group and a network. Background technique [0002] VRRP (Virtual Router Redundancy Protocol, Virtual Router Redundancy Protocol) is a selection protocol that can add multiple routing devices that can assume the gateway function into a VRRP backup group, and use the VRRP backup group to form a virtual routing device , So that each local host in the network segment where the VRRP backup group is located in the second-tier network (such as a local area network) can realize communication only by configuring the virtual routing device as the default gateway, thereby simplifying the configuration of the network host. Among them, Each routing device in the VRRP backup group is a member device of the VRRP backup group. In a VRRP backup group, the member device with the highest priority will be selected as the Master...

Claims

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Application Information

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IPC IPC(8): H04L12/713H04L45/586
Inventor 张红欣陈毓锋余越何杰张力维胡国栋
Owner CHINA MOBILE GRP GUANGDONG CO LTD
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