Packet tracing using dynamic packet filters
First Claim
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1. A method of tracing packets from a source to a destination in a switched network comprising:
- establishing starting and ending points for the tracing operation,sending filter configuration packets from the starting to ending points to establish dynamic packet filters in tracing entities along the route to be traced,detecting traffic at the tracing entities with dynamic packet filters and collecting trace information, andsending the trace information to a monitoring station.
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Abstract
Packet tracing in switched packet networks. Tracing of live packet data in a network is performed by discovering the measurement path, setting up dynamic filters along the path to collect traffic information, and collecting data as detected by the dynamic filters. Collected data is sent to a measuring entity. Filter setup may be repeated to capture data as routing changes.
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Citations
18 Claims
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1. A method of tracing packets from a source to a destination in a switched network comprising:
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establishing starting and ending points for the tracing operation, sending filter configuration packets from the starting to ending points to establish dynamic packet filters in tracing entities along the route to be traced, detecting traffic at the tracing entities with dynamic packet filters and collecting trace information, and sending the trace information to a monitoring station. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification