System Management Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.4.x

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Updated:: March 27, 2018

Chapter: New and Changed System Management Features

New and Changed System Management Features
System Management Features Added or Modified in IOS XR Release 6.4.x

New and Changed System Management Features

This chapter lists all the features that have been added or modified in this guide. The table also contains references to these feature documentation sections.

System Management Features Added or Modified in IOS XR Release 6.4.x


Feature	Description	Changed in Release	Where Documented
Leap Second command support	From Release 6.4.1 onward, Cisco IOS-XR supports a leap-second command that can be used to configure leap seconds instead of SMU installations or reloads.	Release 6.4.1	Configuring Precision Time Protocol.
Increase in Throttle Memory Range	In IOS XR 64-bit OS, the high range of memory usage per session by the XML agent is increased from 600 MB to 1024 MB.	Release 6.4.1	Configuring Manageability chapter Configuring the XML Agent
Enhanced Object Tracking	The object tracking feature was enhanced in this release.	Release 6.4.2	Information About Object Tracking

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