Cisco ASR 9000 Series

CHAPTER 12
Configuring PTP
Precision Time Protocol (PTP) is a protocol that defines a method to distribute time around a network. PTP
support is based on the IEEE 1588-2008 standard.
This module describes the tasks you need to configure PTP on the Cisco IOS XR software.
For more information about PTP on the Cisco IOS XR software and complete descriptions of the PTP
commands listed in this module, see Additional References, on page 259. To locate documentation for other
commands that might appear in the course of running a configuration task, search online in Cisco ASR 9000
Series Aggregation Services Router Commands Master List.
Table 26: Feature History for Implementing PTP on Cisco IOS XR Software
ModificationRelease
This feature was introduced.Release 4.2.0
Support for hybrid mode and Telecom Profile were added.Release 4.3.0
Support for PTP in Ethernet link bundles was added.Release 4.3.1
This module contains the following topics:
•
Prerequisites for Implementing PTP on Cisco IOS XR Software, page 234
•
Information About Configuring PTP, page 234
•
States of Ports, page 237
•
How to Configure PTP, page 238
•
How to Configure PTP Telecom Profile, page 252
•
Configuration Examples for Implementing PTP, page 257
•
Additional References, page 259
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