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Method and routing device for implementing VRRP load balance

A load balancing and routing technology, applied in the field of network communication, can solve the problems of complex configuration and inability to achieve load balancing, and achieve the effect of simplifying the configuration work

Active Publication Date: 2009-04-08
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the way to realize VRRP load balancing in the prior art needs to use multiple routing devices to configure different virtual routers and configure different virtual IP addresses for each virtual router, and configure different virtual routers as default gateways for each client. Obviously, the configuration is very complicated in the presence of a large number of clients
Moreover, since the above load balancing method is based on the pre-configured static configuration, dynamic load balancing cannot be achieved

Method used

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  • Method and routing device for implementing VRRP load balance
  • Method and routing device for implementing VRRP load balance
  • Method and routing device for implementing VRRP load balance

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0025] The virtual router involved in the method provided by the present invention includes a plurality of routing devices, and the virtual IP address of the virtual router is configured as the default gateway IP address of all clients; the method mainly includes: the master routing device elected in the virtual router is its own Allocate a virtual MAC address, and after receiving the virtual MAC allocation request message sent by other routing devices, allocate different virtual MAC addresses for other routing devices, and send them to other routing devices through address response messages; After the address resolution request, according to the load balancing policy, the virtual MAC address assigned to each routing device in the virtual router wi...

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Abstract

The invention provides a method and a route device thereof for realizing the virtual router redundant protocol (VRRP) loading balance. The virtual router comprises a plurality of routing devices. Default gateway IP addresses of clients at the same network segment are configured into the virtual IP address of the virtual router. In the method, the virtual router chooses a main route device as a self-distributing virtual MAC address, distributes different virtual MAC addresses to other routing devices after receiving virtual MAC distributing request messages that are sent by other routing devices and sends the addresses to other routing devices by address responding messages. After address analyzing requests from the clients are received, the virtual MAC addresses which are distributed to the routing devices of the virtual router are carried in the address analyzing response to be reverted to the clients. Therefore, the configuration of VRRP is simplified and the dynamic VRRP loading balance is realized.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method and a routing device for realizing load balancing of a Virtual Router Redundancy Protocol (VRRP, Virtual Router Redundancy Protocol). Background technique [0002] When the client communicates with the external network, the same default gateway is usually set for all clients in the same network segment, that is, the default route with the same gateway as the next hop is configured, and the packets sent by the client to other network segments The default route will be sent to the gateway of the next hop, and then forwarded by the gateway. However, when the gateway fails, all clients using the gateway as the default route in this network segment will not be able to communicate with the external network. Although the default route provides convenience for users to configure and operate, it puts forward high stability requirements for gateways. Adding egress gateways is a ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L45/28
Inventor 郑艳涛甘长华邱元香
Owner NEW H3C TECH CO LTD
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