Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jingfei Lv
Yawei Zhang
Date of Patent
September 5, 2023
Patent Application Number
17671758
Date Filed
February 15, 2022
Patent Citations
Patent Primary Examiner
CPC Code
A network device synchronization method is provided. In various embodiments, a first SSM and a second SSM are received. The first SSM carries a first SSM code indicating a quality level of a first clock source and a first eSSM code indicating the quality level of the first clock source, the second SSM carries a second SSM code indicating a quality level of a second clock source. The second SSM lacks an eSSM code indicating the quality level of the second clock source, and a value of the first SSM code is equal to a value of the second SSM code. When a value of the first eSSM code is less than 0xFF, calibrating a frequency of the network device based on a timing signal of the first clock source.
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