Method and system for acquiring network route information

Method and system for acquiring network route information

  • CN 101,047,618 B
  • Filed: 03/29/2006
  • Issued: 11/06/2013
  • Est. Priority Date: 03/29/2006
  • Status: Active Grant
First Claim
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1. a method of obtaining network route information, is characterized in that, the method comprises:

  • Subscriber equipment is initiated message to network edge device, and self equipment identification information is added in this message, described message forwards successively by each forwarding unit in access network, wherein, described message is Client-initiated station address distributorship agreement message, user'"'"'s message identifying or link discovery message;

    Described each forwarding unit is after receiving message, parse the equipment identification information that adds to the latest in this message, judge that according to this equipment identification information whether this equipment directly be connected with the link that this forwarding unit accesses this message, the link information that if it is identification information and this message of this forwarding unit is accessed this forwarding unit adds in this message and forwards according to predetermined order;

    Otherwise described equipment identification information and/or the link information that adds to the latest in this message is set to invalid or abandons described message and report;

    After described message arrived network edge device, described network edge device order from described message parsed the link information that each forwarding unit sign and this message access this forwarding unit, was combined into the network route information of this message.

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