Method and apparatus for L3VPN service diagnosis

Method and apparatus for L3VPN service diagnosis

  • CN 106,817,273 B
  • Filed: 11/30/2015
  • Issued: 09/03/2021
  • Est. Priority Date: 11/30/2015
  • Status: Active Grant
First Claim
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1. A method for L3VPN traffic diagnosis, the method comprising the following steps performed by a first PE:

  • constructing an L3VPN service response request message;

    sending the L3VPN service response request message to a second PE; and

    receiving an L3VPN service response message from the second PE;

    wherein the L3VPN service response request message includes a target L3VPN service entity TLV for specifying a L3VPN service entity that should respond to the L3VPN service response request message, and the target L3VPN service entity TLV for specifying that the L3VPN service entity that should respond to the L3VPN service response request message is all L3VPN service entities or a specific L3VPN service entity,when the target L3VPN service entity TLV specifies that the L3VPN service entities that should respond to the L3VPN service response request message are all L3VPN service entities, the second PE is any one of all PEs participating in the L3VPN service except the first PE,when the target L3VPN service entity TLV specifies that the L3VPN service entity that should respond to the L3VPN service response request message is a specific L3VPN service entity, the second PE is the specific L3VPN service entity,when the L3VPN service entities responding to the L3VPN service response request message are all L3VPN service entities, the L3VPN service response message is sent by the second PE after a random time interval is delayed.

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