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Route selecting method and router

A router and routing technology, which is applied in the direction of data exchange, digital transmission system, electrical components, etc. through path configuration. Effect

Inactive Publication Date: 2007-08-29
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the existing technology uses manual configuration, which requires a relatively large configuration workload, and when the network changes, the egress router needs to update the original configuration. The process is cumbersome and greatly increases the workload of the network administrator. The workload is not conducive to the promotion of LAN access technology

Method used

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Embodiment Construction

[0043] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0044] The basic idea of ​​the present invention is: directly adopt the request message that the local area network will visit the Internet to detect the response speed of each wide area network (WAN) interface of the export router, and use the link with the fastest response speed as the best path, and the local area network will The Internet can be accessed through the determined best path.

[0045] Fig. 1 is a flow chart of the present invention to realize route selection. As shown in Figure 1, the present invention realizes route selection and can comprise the following steps:

[0046] Step 101: the egress router receives a request message from the local area network, and the destination address of the request message is the network a...

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Abstract

The method includes steps: exit router receives request message from LAN, and the target address of the request message is network address of server in Internet; using the request message, the exit router detects response speed of link corresponding to each WAN interface; setting up WAN interface corresponding the link with fastest response speed as exit interface of next hop corresponding to target address so as to realize route selection. The invention does not need to collocate exit router by handwork, instead uses request message to determine route directly. The invention guarantees that LAN accesses server in Internet according to optimal route.

Description

technical field [0001] The present invention relates to routing technology, in particular to a routing selection method and a router. Background technique [0002] At present, when a local area network is to be connected to the Internet (Internet), in order to ensure reliable access, it usually connects with two or more operators at the same time. That is to say, the Internet egress router of the local area network has two or more wide area network (WAN) interfaces, and each WAN interface can access the Internet through links leased from different operators. [0003] In practical applications, due to the relatively narrow bandwidth of connections between networks of different operators, the speed of accessing the Internet by a LAN through different WAN interfaces of the egress router may be different. For example: there are two WAN interfaces in the egress router, one is W1 interface, which corresponds to operator A, and the other is W2 interface, which corresponds to opera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/56H04L12/28H04L45/60
Inventor 马达
Owner NEW H3C TECH CO LTD
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