ECS4660-28F_Management Guide-R03

C HAPTER 24 | System Management Commands
Precision Time Protocol
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ptp domain-number This command specifies the PTP clock synchronization domain to which the
switch belongs. Use the no form to restore the default setting.
SYNTAX
ptp domain-number domain-number
no ptp domain-number
domain-number – The PTP domain number. (Range: 0-255)
DEFAULT SETTING
0
COMMAND MODE
Global Configuration
COMMAND USAGE
◆ A domain is a set of clocks that synchronize to one another using PTP.
◆ Multiple independent PTP clocking domains can be configured on a
single network, but a device can only belong to one domain.
EXAMPLE
Console(config)#ptp domain-number 1
Console(config)#
ptp e-latency This command specifies the egress latency added to the timestamp. Use
the no form to restore the default setting.
SYNTAX
ptp e-latency latency
no ptp e-latency
latency – The egress latency added to the actual timestamp.
(Range: 0-1000000 nanoseconds; Default: 0 nanoseconds)
DEFAULT SETTING
0 nanoseconds
COMMAND MODE
Global Configuration
COMMAND USAGE
Failure to make this correction will result in a time offset between the slave
and master clocks.