System Management
Basic System Configuration Guide 425
If the clock-type is ordinary slave or boundary, and PTP is no shutdown, the last peer cannot be deleted.
This prevents the user from having PTP enabled without any peer configured and enabled.
Peers are created within the routing instance associated with the context of this command. All
configured PTP peers must use the same routing instance.
Default none
Parameters ip-address — The IP address of the remote peer.
Values ipv4-address a.b.c.d
port
Syntax port port-id [create]
no port port-id
Context configure>system>ptp
Description This command configures PTP over Ethernet on the physical port. The PTP process shall transmit and
receive PTP messages through the port using Ethernet encapsulation (as opposed to UDP/IPv4
encapsulation).
The frames are transmitted with no VLAN tags even if the port is configured for dot1q or qinq modes
for encap-type. In addition, the received frames from the external PTP clock must also be untagged.
There are two reserved multicast addresses allocated for PTP messages (see Annex F IEEE Std
1588™-2008). Either address can be configured for the PTP messages sent through this port.
A PTP port may not be created if the PTP profile is set g8265dot1-2010.
If the port specified in the port-id supports 1588 port based timestamping, then a side effect of enabling
PTP over Ethernet on the port shall be the enabling of Synchronous Ethernet on that port.
De-provisioning of the card or MDA containing the specified port is not permitted while the port is
configured within PTP.
Changing the encapsulation or the port type of the Ethernet port is not permitted when PTP Ethernet
Multicast operation is configured on the port.
Default none
Parameters port-id — Specifies a specific physical port.
Values slot/mda/port
esat-id/slot/port
pxc-id.sub-port
create — This keyword is required when first creating the PTP port, if the system is configured
to require it (enabled in the environment create command). Once the PTP port is created, it is
possible to navigate into the context without the create keyword.
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