Patent ID: 9577905
Date: 2017-02-21
CPC Classifications: H04L

Claim:
1. A method comprising: receiving and detecting a tracepath packet at a device and providing said tracepath packet to a CPU of the device, said tracepath packet having addressing of packets being traced; generating and transmitting a first response packet by the device, said first response packet including the device information as payload information and transmitted from a port where said tracepath packet was received; enabling detection of a tagged normal packet by the device based on the receipt of said tracepath packet, said tagged normal packet having the same addressing as said tracepath packet; receiving and detecting said tagged normal packet by the device after transmitting said first response packet; transmitting said tagged normal packet from the device; notifying the CPU of the device of the detection of said tagged normal packet; and generating and transmitting a second response packet by the device in response to said notifying, said second response packet including the device information as payload information and being transmitted from the port where said tracepath packet was received.