![]() ![]() ![]() Smart grid power automation applications such as peak-hour billing, virtual power generators, and outage monitoring and management, PTP is designed specifically for industrial, networked measurement and control systems, and is optimalįor use in distributed systems because it requires minimal bandwidth and little processing overhead. Systems, and was developed to synchronize the clocks in packet-based networks that include distributed device clocks of varying Precision Time Protocol (PTP) is defined in IEEE 1588 as Precision Clock Synchronization for Networked Measurements and Control MACsec with Precision Time Protocol (PTP) is not supported. The PTP protocol restarts after a switchover. Stateful Switchover (SSO) does not support PTP. You cannot configure PTP on any port of a supervisor module. Transparent clock mode is not supported on native Layer 3 ports and EtherChannel interfaces. Clear the existing mode using no PTP mode and then configure a new mode. Moving directly from one PTP mode to the other is not recommended. Management messages will be forwarded without decreasing the boundary hop count when transparent clock mode is enabled. Management messages with broadcast target id will be forwarded with a reduced hop count when the boundary clock mode is enabled. These messages are dropped in the switch without Signaling messages are not supported in Cisco IOS XE Gibraltar 16.12.1. ![]() We do not recommend having non-PTP enabled devices in the PTP network since it decreases clock synchronization accuracy. Message from the Grand Master Clock, the message will be dropped. The Cisco PTP implementation supports only the two-step clock and not the one-step clock. The switch supports IEEE 802.1AS and IEEE 1588 Default profile and they are both mutually exclusive. Inter-VLAN is not supported in PTP Transparent Clock Mode. These are two different clocks used on the switch. The output of the show clock command on the device and PTP servo clock displayed in the output of the show platform software fed switch active ptp domain command are not synchronized. Precision Time Protocol (PTP) is supported only on the first 16 downlink ports and on all the uplink ports of the C9300-48UXM Configuring Precision Time Protocol (PTP) ![]()
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