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A route processing method and device

Technology of a processing method and processing device, applied in the communication field

Active Publication Date: 2020-01-03
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present application provides a routing processing method and device to solve the problem of loop iteration in the prior art

Method used

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Embodiment Construction

[0027] The situation of cyclic iteration generally occurs in BGP (Border Gateway Protocol, Border Gateway Protocol) or static routing protocol. For the situation of static routing protocol, it can be solved by avoiding the configuration of the route with the other party as the next hop; However, because BGP is related to the network, it cannot be circumvented intuitively through configuration, so the problem of loop iteration cannot be avoided in BGP.

[0028] Existing technologies usually use the number of iterations as a judgment condition. When the number of iterations reaches a certain number, the iteration will be suppressed, and then a route will be suppressed eventually, making the loop iteration unable to continue, thereby eliminating the loop iteration state. However, for some BGP networks, routing loops may occur in the above method.

[0029] Such as figure 1 In the shown network, 5 DUT devices form a BGP network. Assume that DUT1 and DUT2 are the devices with cycli...

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Abstract

The present application provides a route processing method and device. The method includes: a route receiving device obtains a route carrying an iteration identifier from the received route, and the iteration identifier is the destination route and the next hop of the route determined by the route publishing device. It is added when it is an interface address; two routes that are each other's next hop and destination route are found through the iteration identifier carried by the route; and the two routes are prohibited from instructing forwarding. Therefore, the present application can avoid the occurrence of loops and reduce the number of judgments on loop iterations.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a routing processing method and device. Background technique [0002] There are cyclic iterations in the calculation of routing protocols. The so-called cyclic iterations refer to two routes that use each other as the next hop. For example, the destination address of one route is A, the next hop address is B, and the other route, the destination address If the next hop address is A, then the two routes will iterate over each other repeatedly. Loop iteration will cause the CPU to process the routing calculation state for a long time and consume memory. Contents of the invention [0003] In view of this, the present application provides a routing processing method and device to solve the problem of loop iteration in the prior art. [0004] Specifically, this application is achieved through the following technical solutions: [0005] The present application...

Claims

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Application Information

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IPC IPC(8): H04L12/733H04L12/741H04L45/122H04L45/74
CPCH04L45/20H04L45/745
Inventor 王逸汪亮廖以顺
Owner NEW H3C TECH CO LTD