Rockwell Automation Publication 1783-UM010C-EN-P - June 2019 71
Configure the Security Appliance Chapter 3
Configure Precision
Time Protocol (PTP)
PTP synchronizes the clocks of various devices in a packet-based network.
To enable PTP, follow these steps.
1. From ASDM Home, click Configuration.
2. Under Device Management, click PTP. Precision Time Protocol is
displayed.
3. Type the Domain value.
4. Check Enable End-to-End Transparent Clock Mode.
5. Select a Hardware Interface, and then click Enable.
6. Click Apply.
Table 5 - Precision Time Protocol (PTP)
Field Description
Domain value Type the domain number for all ports on the device,
0…255. Zero is the default value.
Enable End-to-End Transparent Clock Mode Check to enable end-to-end transparent mode on all
PTP-enabled interfaces.
A transparent clock compensates for its delays by
measuring the residence times and updating the
correctionField in the PTP packet.
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