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Method and device used for configuring VRRP (Virtual Router Redundancy Protocol) backup group

A backup group and IP address technology, applied in digital transmission systems, electrical components, transmission systems, etc., can solve problems such as burden, heavy networking work, increased network maintenance work burden, etc., to achieve the effect of reducing the burden and reducing the burden

Active Publication Date: 2012-10-24
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the virtual IP address and network segment routing of each member device in the VRRP backup group are implemented through manual configuration, which brings a relatively heavy burden to the networking work.
Moreover, after the networking is completed, as long as the network segment in the LAN changes, it is necessary to modify the virtual IP address and network segment route of each member device in the VRRP backup group one by one through manual configuration, thus increasing the network maintenance work. burden

Method used

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  • Method and device used for configuring VRRP (Virtual Router Redundancy Protocol) backup group
  • Method and device used for configuring VRRP (Virtual Router Redundancy Protocol) backup group
  • Method and device used for configuring VRRP (Virtual Router Redundancy Protocol) backup group

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Embodiment Construction

[0050] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0051] Figure 1a with Figure 1b It is a schematic diagram of implementing two networking modes based on the embodiment of the present application. in, Figure 1a For the case where the DHCP server, VRRP backup group and DHCP client are in the same LAN, Figure 1b The DCHP server, VRRP backup group, and DHCP client are located in different LANs, and each member device in the VRRP group needs to integrate the DHCP Relay function.

[0052] Such as Figure 1a with Figure 1b As shown in the figure, regardless of whether the DHCP server is in the same LAN as the VRRP backup group and the DHCP client, when the DHCP client applies for the default gateway address and subnet mask from the DHCP server, all the exchanged DHCP messages will be backed up by VRRP...

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Abstract

The invention discloses a method and device used for configuring a VRRP (Virtual Router Redundancy Protocol) backup group. According to the invention, each member device of the VRRP backup group is capable of generating a virtual IP address and a network segment route automatically in a Master state through monitoring a DHCP (Dynamic Host Configuration Protocol) message, so that automatic configuration of the virtual IP address and the network segment route can be realized, manual configuration of each member device in the VRRP backup group during the networking can be left out, and furthermore burden of the networking work can be reduced. In addition, although the network segment in a local area network is changed after the networking is finished, each member device of the VRRP backup group can sense the change of the network segment in the Master state through monitoring the DHCP message, thereby generating the virtual IP address and the network segment route adaptable to the change of the network segment. Therefore, the manual configuration is unnecessary to modify the configuration of the VRRP backup group, and burden of the network maintaining work can be further reduced.

Description

technical field [0001] The present application relates to VRRP (Virtual Router Redundancy Protocol, Virtual Router Redundancy Protocol) technology, in particular to a method and device for configuring a VRRP backup group. Background technique [0002] VRRP joins multiple routing devices capable of acting as gateways for the LAN into a VRRP backup group, and uses the backup group to form a virtual routing device. Among them, each routing device in the VRRP backup group can be called a member device of the VRRP backup group. Each member device is configured with the virtual IP address and network segment route of the VRRP backup group for each network segment in the LAN. Member devices in the Master state can use the virtual IP addresses and network segment routes of each network segment to implement traffic forwarding. [0003] After each DHCP (Dynamic Host Configuration Protocol) client in the local area network obtains the default gateway address and subnet mask of the net...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/56H04L45/586
CPCH04L12/24H04L41/0663H04L45/586H04L45/28H04L69/40H04L45/74H04L61/5014H04L41/342H04L41/0661H04L61/5061H04L41/0836H04L41/0846H04L49/70
Inventor 崔晓会
Owner NEW H3C TECH CO LTD
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