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Release Notes: Junos® OS Evolved Release 19.4R2 for the PTX10003 and QFX5220 Devices

 

13 January 2021

Table of Contents

Introduction
Junos OS Evolved Release Notes for PTX10003 Devices
What’s New
Hardware
Class of Service (CoS)
Dynamic Host Configuration Protocol (DHCP)
General Routing
High Availability and Resiliency
Interfaces and Chassis
Juniper Extension Toolkit (JET)
Junos Telemetry Interface (JTI)
Layer 2 Features
MPLS
Network Management and Monitoring
Port Security
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Spanning-Tree Protocols
System Management
What’s Changed
Changes in CLI Statements and Commands
What’s Changed in Junos OS Evolved Release 19.4R2-S1
Routing Protocols
What’s Changed in Junos OS Evolved Release 19.4R2
Junos Telemetry Interface (JTI)
Network Management and Monitoring
Known Limitations
General Routing
User Interface and Configuration
Open Issues
General Routing
Infrastructure
Interfaces and Chassis
Routing Policy and Firewall Filters
User Interface and Configuration
Resolved Issues
Class of Service (CoS)
General Routing
Interfaces and Chassis
MPLS
Network Management and Monitoring
User Interface and Configuration
Junos OS Evolved Release Notes for QFX5220 Devices
What’s New
Hardware
Class of Service (CoS)
Forwarding and Sampling
Interfaces and Chassis
Layer 2 Features
Multicast
Network Management and Monitoring
Routing Policy and Firewall Filters
Spanning-Tree Protocols
System Management
What’s Changed
What’s Changed in Junos OS Evolved Release 19.4R2-S1
Routing Protocols
What’s Changed in Junos OS Evolved Release 19.4R2
Junos Telemetry Interface (JTI)
Known Limitations
Interfaces and Chassis
MPLS
User Interface and Configuration
Open Issues
Class of Service (CoS)
Infrastructure
Interfaces and Chassis
Platform and Infrastructure
System Management
User Interface and Configuration
Resolved Issues
Interfaces and Chassis
Routing Policy and Firewall Filters
Routing Protocols
Network Management and Monitoring
System Management
Upgrade your Junos OS Evolved Software
Finding More Information
Documentation Feedback
Requesting Technical Support
Revision History