IEEE 1588v2 PTP
If the profile setting for the clock is
selection algorithm is as follows:
•
•
•
•
•
•
•
The 7750 SR sets its local parameters as follows:
Table 30: Local Clock Parameters When Profile is set to ieee1588-2008
clockIdentity
clockClass
clockAccuracy
offsetScaledLogVariance
If the profile setting for the clock is g8265dot1-2010, the precedence order for the best master
selection algorithm is:
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•
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priority1
clock class
clock accuracy
PTP variance (offsetScaledLogVariance)
priority2
clock identity
steps removed from the grandmaster
Parameter
clock class
priority
, the precedence order for the best master
ieee1588-2008
Chassis MAC address following the guidelines of 7.5.2.2.2 of
IEEE 1588
13 – router configured as ordinary clock master and is locked to an
external reference
14 – router configured as ordinary clock master and in holdover after
having been locked to an external source
248 – router configured as ordinary clock master and is in free run or
the router is configured as a boundary clock
255 – router configured as ordinary clock slave
FE - Unknown
FFFF – not computed
7750 SR Basic System Configuration Guide
Value