CPC H04L 41/0803 (2013.01) | 20 Claims |
1. A method, comprising:
sending, by a first network device, a first packet to a second network device, wherein the first packet comprises first indication information, and the first indication information indicates a support status of an in-situ flow information telemetry (iFIT) capability corresponding to the first network device or a first service module comprised in the first network device.
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