Method, equipment and system for switching route

Method, equipment and system for switching route

  • CN 101,355,486 A
  • Filed: 07/23/2007
  • Published: 01/28/2009
  • Est. Priority Date: 07/23/2007
  • Status: Active Application
First Claim
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1. , a kind of method of route switching is characterized in that the method comprising the steps of:

  • First provider edge router receives packet, carries the address information of purpose network in the described packet;

    Described first provider edge router is searched corresponding forwarding information according to the address information of described purpose network in this locality, described forwarding information comprises the relevant information of primary route and the relevant information of alternate routing;

    When described first provider edge router determines that according to the relevant information of primary route the outgoing interface of primary route correspondence is unavailable, the forwarding route of described packet is switched to alternate routing by primary route according to the relevant information of alternate routing;

    Described first provider edge router is transmitted described packet to customer edge router by alternate routing.

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