Precision Time Protocol (Ptp); Ptp - HP Aruba JL253A Management And Configuration Manual

Event
When NTP found a new broadcast server.
When system clock was updated with new time.
When NTP stratum was updated.
When all NTP associations are cleared.
When server is not reachable.
When MD5/SHA1 authentication failed.

Precision Time Protocol (PTP)

ptp

Syntax
ptp {enable | disable}
no ptp {enable | disable}
Description
Enable updating of IEEE 1588 PTP packets.
• The feature is disabled by default.
• The no form of this command is the same as ptp disable.
NOTE: This feature is available on the 2930M and only in standalone. It is disabled for stacks.
Command context
interface
Parameters
enable
When the ptp command is enabled, ports that support IEEE 1588 will operate in end-to-end transparent
mode and will update the correction field of forwarded PTP packets.
disable
When the ptp command is disabled, PTP packets are forwarded unchanged.
Restrictions
• IEEE 1588 end-to-end transparent mode cannot be enabled when there are flexible modules or transceiver
ports in the system that do not support IEEE 1588. If a user attempts this, an error message like the following
Chapter 2 Time Protocols
Message
A new broadcast server at %s.
The system clock time was changed by %ld sec %lu
nsec. The new time is %s.
The NTP Stratum was changed from %d to %d.
All the NTP server associations are reset.
The NTP Server 10.1.1.2 is unreachable. (2 times in
60 seconds)
The MD5 authentication on the NTP packet failed.
The SHA1 authentication on the NTP packet failed.
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