Centralized error telemetry using segment routing header tunneling
AssigneeCisco Technology, Inc.
InventorsNagendra Kumar Nainar, Carlos M. Pignataro, Joseph Michael Clarke
Life of this patent
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Abstract
A network device receives a data packet including a source address and a destination address. The network device drops the data packet before it reaches the destination address and generates an error message indicating that the data packet has been dropped. The network device encapsulates the error message with a segment routing header comprising a list of segments. The first segment of the list of segments in the segment routing header identifies a remote server. The network device sends the encapsulated error message to the remote server based on the first segment of the segment routing header.
Claims20
A method comprising:
- at a network device, receiving a data packet with a source address and a destination address;
- dropping the data packet at the network device before it reaches the destination address;
- generating an error message indicating that the data packet has been dropped;
- encapsulating the error message with a segment routing header comprising a plurality of segments, wherein a first segment of the plurality of segments identifies a remote server;
- and
- sending the encapsulated error message to the remote server based on the first segment of the segment routing header.
An apparatus comprising:
- a network interface unit configured to receive a data packet with a source address and a destination address;
- and
- a processor configured to:
- drop the data packet before it reaches the destination address;
- generate an error message indicating that the data packet has been dropped;
- encapsulate the error message with a segment routing header comprising a plurality of segments, wherein a first segment of the plurality of segments identifies a remote server;
- and
- cause the network interface unit to send the encapsulated error message to the remote server based on the first segment of the segment routing header.
One or more non-transitory computer readable storage media encoded with software comprising computer executable instructions and, when the software is executed by a processor on a network device, operable to cause the processor to:
- receive a data packet with a source address and a destination address;
- drop the data packet at the network device before it reaches the destination address;
- generate an error message indicating that the data packet has been dropped;
- encapsulate the error message with a segment routing header comprising a plurality of segments, wherein a first segment of the plurality of segments identifies a remote server;
- and
- send the encapsulated error message to the remote server based on the first segment of the segment routing header.
Dependencies are inferred from the claim text.