ICMP with IP routing instance information

Details ICMP with IP routing instance information ICMP with IP routing instance information

2011-07-26

2011-07-26

Shah, Chirag G (Department: 2477)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

Reexamination Certificate

active

07986689

ABSTRACT:
A method and system for providing routing instance information are disclosed. In one embodiment, the method includes receiving a trace packet at a network device, generating an Internet Control Message Protocol (ICMP) packet in response to the trace packet, and transmitting the ICMP packet. The ICMP packet includes routing instance information contained within the network device.

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J. Postel, “Internet Control Message Protocol”, IETF RFC 792, Sep. 1981.
R. Bonica, “Modifying ICMP to Support Multi-part Messages”, IETF draft-bonica-internet-icmp-11, Oct. 5, 2006.

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