公开(公告)号：US20230421499A1

公开(公告)日：2023-12-28

申请号：US18459163

申请日：2023-08-31

Applicant: Huawei Technologies Co., Ltd.

Inventor： Zhibo Hu ,  Ping’an Yang ,  Tao Han ,  Jie Dong

IPC: H04L45/745 ,  H04L45/00

CPC classification number: H04L45/745 ,  H04L45/566

Abstract: A packet transmission method includes: A first network device receives a first data packet; and the first network device updates the first data packet to obtain a second data packet, where the second data packet includes a global identifier; the first network device sends the second data packet to a second network device, where the global identifier is used by the second network device to verify the second data packet based on a correspondence, and the correspondence is a correspondence between the global identifier and an egress port through which the second network device transmits the second data packet.