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Method, device and system for managing link status information of low-speed link

A link state information, low-speed link technology, applied in the field of communication

Inactive Publication Date: 2012-05-02
李金良
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the LLDP protocol can only be applied to Ethernet networks. For low-speed link networks, such as: Asynchronous Transfer Mode (Asynchronous Transfer Mode, ATM) and time division multiplexing mode (E1 / T1) link networks, the existing technology is not effective. A method for realizing the transmission and management of low-speed link link state information in the network

Method used

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  • Method, device and system for managing link status information of low-speed link
  • Method, device and system for managing link status information of low-speed link
  • Method, device and system for managing link status information of low-speed link

Examples

Experimental program
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Embodiment 1

[0020] An embodiment of the present invention provides a method for managing link state information of a low-speed link, see figure 1 , figure 1 It is a schematic flowchart of a method for managing link state information of a low-speed link provided by an embodiment of the present invention, and the method includes:

[0021] 102. The first network device receives a first notification message sent by the second network device through the low-speed link, where the first notification message carries the link status of the low-speed link on the second network device side HDLC protocol message or PPP protocol message of information;

[0022] The LLDP protocol provides a standard link layer discovery method, which can publish information such as the management address, device ID, and interface ID of the local network device to the neighbor network devices directly connected to the local network device for network management. The system queries and judges the communication status o...

Embodiment 2

[0028] An embodiment of the present invention provides a device for managing link state information of a low-speed link, see Figure 4 , Figure 4 It is a schematic diagram of an apparatus for managing link state information of a low-speed link provided by an embodiment of the present invention. The apparatus includes a receiving unit 402 and a storage unit 404 .

[0029] The receiving unit 402 is configured for the first network device to receive a first notification message sent by the second network device through the low-speed link, the first notification message carrying the low-speed link message on the side of the second network device HDLC protocol message or PPP protocol message of link state information;

[0030] The LLDP protocol provides a standard link layer discovery method, which can publish information such as the management address, device ID, and interface ID of the local network device to the neighbor network devices directly connected to the local network ...

Embodiment 3

[0039] An embodiment of the present invention provides a system for managing link state information of a low-speed link, and the system includes a device for managing link state information of a low-speed link provided in Embodiment 2 of the present invention.

[0040] Those of ordinary skill in the art can understand that all or part of the steps to realize the above method embodiments can be completed by hardware related to program instructions, and the aforementioned program can be stored in a computer-readable storage medium. When the program is executed, the execution includes: The steps of the above-mentioned method embodiments; and the aforementioned storage medium includes: ROM, RAM, magnetic disk or optical disk and other various media that can store program codes.

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Abstract

The embodiment of the invention provides a method for managing link status information of a low-speed link. The method comprises the following steps that: a first notification message sent by a second network device through the low-speed link, is received by a first network device; the first notification message is an HDLC (High-level Data Link Control) protocol message or a PPP (Point-to-point Protocol) protocol message of the link status information of the low-speed link at the side of the second network device; the first notification message is analyzed by the first network device to obtain the link status information of the low-speed link at the side of the second network device; and the link status information of the low-speed link at the side of the second network device is stored into a management information base. In addition, the embodiment of the invention further provides a device and system for managing the link status information of the low-speed link. According to the invention, the transmission of the link status information of the low-speed link between the network devices is realized and the management of the link status information of the low-speed link is realized.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, relate to a method, device and system for managing link state information of low-speed links. Background technique [0002] Many network management systems use the Automated Discovery function (Automated Discovery) to track changes in the network topology, but this Automated Discovery function can only track up to the three-tier network, grouping network devices into each Internet Protocol (Internet Protocol, IP) subnet. Layer 2 Discovery (Layer2Discovery) can be used to discover the ports of network devices and port connection information between network devices, and can discover the paths between clients, switches, routers and network servers. Such detailed information is important for planning and investigating the root causes of network failures. Link Layer Discovery Protocol (LLDP) is a Layer 2 protocol defined in 802.1ab. Network devices c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/46
Inventor 徐高峰
Owner 李金良
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