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Network monitoring using a proxy

  • US 7,808,919 B2
  • Filed: 03/18/2008
  • Issued: 10/05/2010
  • Est. Priority Date: 03/18/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving at a proxy, path information for a label switched path (LSP) from a forwarding device located in said LSP, the proxy and the forwarding device utilizing separate processors;

    generating at the proxy, a connectivity verification message based on said path information;

    adding a proxy label to said connectivity verification message at the proxy, said proxy label configured to inject said connectivity verification message into a forwarding plane at the forwarding device; and

    transmitting said connectivity verification message from the proxy to the forwarding device;

    wherein said connectivity verification message is configured for transmittal from the forwarding device over said LSP to a destination node to verify a forwarding path associated with the path information received from the forwarding device.

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