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Method and interface board of retaining neighbourhood

A neighbor relationship and interface board technology, which is applied in the field of network communication, can solve problems such as extending the keep-alive interval, reducing the convergence speed of network failure routes, and interrupting network data flow, so as to achieve the effect of increasing flexibility

Active Publication Date: 2007-12-26
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the practice of extending the keep-alive interval in the existing technology will reduce the routing convergence speed when the network fails, often resulting in the interruption of network data traffic
For example, when a distributed device fails with a complete power failure or the link between the distributed device and its neighbors is disconnected, making it impossible for the distributed device to continue data forwarding at all, the neighbors will lose The fault can only be detected after waiting for a long time, and the corresponding routing convergence processing can be performed, thereby reducing the routing convergence speed of the network, resulting in long-term interruption of network data traffic, and greatly reducing the quality of business services

Method used

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Examples

Experimental program
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Embodiment 1

[0032] In this embodiment, the neighbor relationship maintaining message is implemented by using the Hello message in the first mode above.

[0033] Fig. 2 is a flow chart of maintaining neighbor relationship in Embodiment 1 of the present invention. Referring to Fig. 2, in the present embodiment, a kind of preferred implementation process of maintaining neighbor relationship includes the following steps:

[0034] Step 201: In the distributed device and its neighboring devices, set the message used to maintain the neighbor relationship as a Hello message.

[0035] This step is the same as the corresponding processing in the prior art, and the Hello message is used as the message for maintaining the neighbor relationship.

[0036] Step 202: In the distributed equipment, the current active main control board establishes a neighbor relationship with the neighbor equipment of the distributed equipment.

[0037] In this step, the current active main control board may be the activ...

Embodiment 2

[0054] In this embodiment, the neighbor relationship maintenance message is implemented by using the detection message of the general monitoring protocol in the above method 2, and, specifically, the detection message in the currently widely used Bidirectional Forwarding Detection (BFD) protocol is implemented. accomplish.

[0055] Fig. 3 is a flow chart of maintaining neighbor relationship in Embodiment 2 of the present invention. Referring to FIG. 3, in this embodiment, a preferred implementation process of maintaining neighbor relationship includes the following steps:

[0056] Step 301: Pre-configure the BFD protocol on the interface board of the distributed device and its neighboring devices.

[0057] Here, the BFD protocol is a general monitoring protocol for detecting link faults that is not related to routing protocols and is widely supported by devices at present. The BFD protocol has defined the content of the detection packet, the packet sending period, and the ke...

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Abstract

The method comprises: setting up the neighbor relation keeping messages in the distribution device and its neighbor devices; generating the neighbor relation keeping message in the interface in the distribution device; when the sending cycle of each pre-determined message comes, said neighbor relation keeping messages are sent to the said neighbor devices; said neighbor devices decide if said neighbor relation keeping messages are received in the keep-alive interval; if yes, then keeping the neighbor relation with the distribution device; otherwise, cutting off the neighbor relation with the distribution device.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method and an interface board for maintaining neighbor relationship. Background technique [0002] In the network, a distributed device is a network device that separates the data forwarding function from the control function, and includes a main control board and an interface board inside. Among them, the main control board completes the control function, such as discovering the route with other devices and maintaining the neighbor relationship with neighboring devices, etc., while the interface board completes the data forwarding function. FIG. 1 is a schematic structural diagram of a dual-master distributed device. See Figure 1. At present, in order to improve the reliability of distributed equipment, a master main control board and a standby main control board are set inside the distributed equipment. The main control board is switched to the active main control board, ...

Claims

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Application Information

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IPC IPC(8): H04L12/56H04L12/24H04L12/70
Inventor 钱雪彪吕若达
Owner NEW H3C TECH CO LTD
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