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Static route processing method and device

A processing method and routing technology, applied in the field of communication, can solve problems such as high rush rate, slow business recovery speed, heavy equipment processing burden, etc., to achieve the effect of improving recovery speed, reducing equipment burden, and reducing impact

Inactive Publication Date: 2019-07-12
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The above method of adding and deleting static routes based on the status of outbound links and protocols of static routes has the following disadvantages: Whenever a link in the network fails, the device will send a large number of deleted static routing configurations, and when the fault recovers, it will download a large number of The addition of static routing configuration (FRR (Fast Reroute, fast rerouting) and ECMP (Equal CostMulti Path, equivalent routing) is similar to the addition), which brings a processing burden, especially when the network is turbulent. The execution of adding and deleting actions brings a heavy burden to the device processing, such as making the CPU (Central Processing Unit, central processing unit) continue to rise and cannot process normal other protocol packets
In addition, because the faulty route will be deleted, when the optical fiber is cut off, the control plane needs to send data after it is plugged in again, so that the service can be automatically restored, and the service recovery speed is slow.

Method used

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  • Static route processing method and device

Examples

Experimental program
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Effect test

Embodiment 1

[0059] This embodiment provides a static route processing method, such as image 3 shown, including:

[0060] Step 301, the management plane receives user configuration information, and adds a static route;

[0061] Receive user configuration information, configure static routing on the management plane, and set its attributes as permanent routing. The configuration information of the static route includes: 1) destination address and mask; 2) outgoing interface or next hop. In this example, it is assumed that the destination address is 33.33.33.0, the mask is 255.255.255.0, the next hop is 10.8.8.2; the IP address of port 8 is 10.8.8.1 / 24.

[0062] Step 302, the control plane issues the static route to the forwarding plane;

[0063] The control plane iterates to the IP address network segment of the outgoing interface according to the specified next hop. In this example, 10.8.8.2 iterates to the IP address network segment of port 8. Therefore, the control plane delivers a ...

Embodiment 2

[0074] This embodiment provides a static route processing method. In this embodiment, the static route forms an IP FRR protection group, such as Figure 4 mentioned, including:

[0075] Step 401, the management plane receives user configuration information, configures static routing to form an IP FRR protection group, and the management plane sends the IP FRR protection group to the control plane;

[0076] It should be noted that, in this embodiment, attributes of all members in the IP FRR protection group are permanent routes.

[0077] The user enables FRR on the management plane. The user configures two static routes with the same destination address and mask, the priorities of the two static routes are different, and the attributes are set as permanent routes.

[0078] In this example, it is assumed that the destination address of the first static route is 33.33.33.0, the mask is 255.255.255.0, the next hop is 10.8.8.2, and the priority is 1; the destination address of th...

Embodiment 3

[0087] This embodiment provides a static route processing method, please refer to Figure 5 ,include:

[0088] Step 501, the management plane receives user configuration information, generates an ECMP load sharing group composed of static routes, and the management plane sends the ECMP load sharing group to the control plane;

[0089] Wherein, the ECMP load sharing group includes three static routes, the destination address, mask and priority of these three static routes are the same, and the attributes are permanent routes.

[0090] In this example, it is assumed that the destination address of the first static route is 33.33.33.0, the mask is 255.255.255.0, the next hop is 10.8.8.2, and the priority is 1; the destination address of the second static route is 33.33.33.0, The mask is 255.255.255.0, the next hop is 10.8.9.2, and the priority is 1; the destination address of the third static route is 33.33.33.0, the mask is 255.255.255.0, the next hop is 10.8.10.2, and the prio...

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Abstract

The invention relates to a static route processing method and device, and the method comprises the steps: forwarding equipment adds a static route, and the static route carries attribute information;and when the link where the static route routing is located fails and the attribute information of the static route is a preset attribute, the forwarding equipment reserves the static route. Accordingto the scheme provided by the invention, a large number of deletion operations in the case of network faults are avoided, the equipment burden is reduced, and the influence on other services of the equipment is reduced.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a static route processing method and device. Background technique [0002] Routing is the most fundamental element in a data communication network. According to different sources, routes can usually be divided into the following three categories: 1) routes discovered by link layer protocols, such as interface routes or direct routes; 2) routes discovered by dynamic routing protocols, such as OSPF (Open Shortest Path First, open Shortest path first), BGP (Border Gateway Protocol, Border Gateway Protocol) routes generated by these protocols; 3) Static routes manually configured. [0003] Due to the need to maintain the dynamic routing protocol, dynamic routing puts forward many requirements on device performance, increases the cost of network maintenance, increases the processing overhead of the device, and increases the burden on the device. As a low-cost and low-system consum...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/703H04L12/741H04L45/28H04L45/74
CPCH04L45/28H04L45/74
Inventor 龚汉杰向奇敏
Owner ZTE CORP