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A tracking method and device for static routing

A routing and static technology, applied in the field of communication, can solve problems such as multiple workloads, save system resources, and avoid the configuration process.

Active Publication Date: 2016-08-03
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The configuration on a single spoke device may be relatively small, but because all spoke devices need to be configured, it is also a relatively large workload for network administrators

Method used

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  • A tracking method and device for static routing
  • A tracking method and device for static routing
  • A tracking method and device for static routing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] see figure 1 , figure 1 It is a schematic flow chart of the static route tracking method in Embodiment 1 of the present invention. The specific steps are:

[0042] Step 101, any VAM client configures a static route locally.

[0043] Step 102, the VAM client determines whether there is a DVPNSession with the peer tunnel private network address identical to the next hop of the static route among the locally established DVPNSessions, if yes, executes step 103; otherwise executes step 104.

[0044] In this step, the VAM client determines whether a DVPNSession has been established between the local VAM client and the peer VAM client.

[0045] In step 103, the VAM client determines whether the state of the DVPNSession is success, and if yes, executes step 105; otherwise, executes step 104.

[0046] In this step, when the local VAM client establishes a DVPNSession with the opposite end VAM client, determine whether the state of the established DVPNSession is a success stat...

Embodiment 2

[0054] see figure 2 , figure 2 It is a schematic flow chart of the static route tracking method in Embodiment 2 of the present invention. The specific steps are:

[0055] Step 201, any VAM client configures a static route locally.

[0056] Step 202, the VAM client determines whether there is a DVPN tunnel address on the same network segment as the next hop of the static route, if yes, execute step 203; otherwise, execute step 207.

[0057] This step first determines the address of the DVPNtunnel on the same network segment as the next hop of the static route, if it exists, then search in the DVPNSession corresponding to the DVPNtunnel; if it does not exist, end this process, that is, not implement the present invention In the example, the static route is linked with the DVPNSession to determine whether the static route takes effect, which is determined through the existing implementation method.

[0058] In step 203, the VAM client determines whether there is a DVPNSessi...

Embodiment 3

[0065] The state of the DVPNSession established by two VAM clients in the network will change. The following describes in detail how the DVM client handles when the state of the locally established DVPNSession changes.

[0066] see image 3 , image 3 It is a schematic flowchart of the processing procedure when the state of the locally established DVPNSession changes in Embodiment 3 of the present invention. The specific steps are:

[0067] In step 301, the state of any DVPNSession locally established by the VAM client changes.

[0068] Step 302, when the state of the DVPNSession of the VAM client changes from a success state to a non-success state, if it is determined that there is a static route corresponding to the next hop that is the same as the peer tunnel private network address of the DVPNSession, and the static route has been If it takes effect, the static route will be invalidated.

[0069] Since the state of the DVPNSession changes from a success state to a non-...

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PUM

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Abstract

The invention discloses a tracking method of a static route. The method comprises that after any virtual access method (VAM) client side in a dynamic virtual private network (DVPN) establishes the static route locally, according to a state of the same DVPN session of an opposite terminal tunnel private address and a next jump of the static route, whether the static route takes effect or not is determined. Based on the same inventive concept, the invention further provides a device. Complex configuration process is avoided and system resources are saved.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a static route tracking method and device. Background technique [0002] More and more enterprises hope to use the public network to form a virtual private network (Virtual Private Network, VPN) to connect multiple branches in different geographical locations. However, enterprise branches usually use dynamic addresses to access the public network, and one party in the communication cannot know the public network address of the other end in advance, which poses a difficult problem for establishing a VPN. [0003] Dynamic Virtual Private Network (Dynamic Virtual Private Network, DVPN) regards the network composed of nodes connected to the public network as a VPN network, the public network as the link layer of the VPN network, and the DVPN tunnel as a virtual channel between the internal subnets of the enterprise, which is equivalent to Network layer. [0004...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/701H04L12/46
Inventor 王守唐
Owner NEW H3C TECH CO LTD