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High-speed data link control data translation method

A link control, high-speed data technology, applied in the field of data communication, can solve the problem of not being able to forward HDLC data

Active Publication Date: 2006-05-24
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above-mentioned technical problems, the present invention provides a forwarding method of HDLC data, which can effectively solve the problem that a network device that forwards data based on a hardware routing table cannot forward HDLC data

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Embodiment Construction

[0036] In order to make the object, technical solution and advantages of the invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0037] In order to solve the problem that the network equipment based on the hardware routing table cannot forward HDLC data, the present invention provides a forwarding method of HDLC data, such as figure 2 As shown, the method mainly includes the following steps:

[0038] A. After configuring the data link layer encapsulation type of the current interface as HDLC, bind the current interface to the next-hop network device corresponding to the interface.

[0039] Wherein, the network device may be a network device that forwards data based on a hardware routing table, such as a high-speed switching device based on an Ethernet switching core.

[0040] The binding of the current interface and the next-hop network device in this step is specifically: establishing...

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PUM

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Abstract

After encapsulated type of data link layer of the current interface is configured as HDLC encapsulation, the method includes steps: binding current interface with network device for next hop; based on address of network device for next hop, generating address mapping list item of current interface; based on address mapping list item of each interface, assorting with static route configuration or algorithm of dynamic route protocol, generating hardware route list of this network devices; after receiving HDLC data packet to be forwarded, based on target address brought inside HDLC data packet and hardware route list of this network devices, looking up relevant interface for forwarding the data packet, then through the interface, the method forwards the HDLC data packet out. The invention solves issue of that network device based on hardware route list is incapable of forwarding HDLC data so as to ensure that HDLC protocol is normal used in network device based on hardware route list.

Description

technical field [0001] The invention relates to data communication technology, in particular to a method for forwarding high-speed data link control (HDLC, High Level Data Link Control) data by a network device for data forwarding based on a hardware routing table. Background technique [0002] A data communication system can be composed of three major parts, namely a transmitter, a channel, and a receiver. In two-way communication, each party to the communication has a sender and a receiver. At present, the data communication system described by the general data circuit of seven parts is widely used, such as figure 1 As shown, wherein, data terminal equipment (DTE, Data Terminal Equipment) refers to all devices connected to network ports, including simple terminals, intelligent terminals, synchronous terminals, asynchronous terminals and so on. Data Circuit-Terminating Equipment (DCE, Data Circuit-Terminating Equipment) refers to equipment such as a modem, a multiplexer, ...

Claims

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Application Information

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IPC IPC(8): H04L45/74
Inventor 陈方春
Owner NEW H3C TECH CO LTD
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