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Release Notes: Junos® OS Release 19.1R3 for the ACX Series, EX Series, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, and Junos fusion

 

22 April 2021

Table of Contents

Introduction
Junos OS Release Notes for ACX Series
What's New
What's New in Release 19.1R3
What's New in Release 19.1R2
What's New in Release 19.1R1
Authentication, Authorization, and Accounting (AAA) (RADIUS)
Platform and Infrastructure
Routing Protocols
What's Changed
What’s Changed in 19.1R3
General Routing
What’s Changed in 19.1R2
Interfaces and Chassis
Network Management and Monitoring
What’s Changed in 19.1R1
Interfaces and Chassis
Network Management and Monitoring
Operation, Administration, and Maintenance (OAM)
Routing Policy and Firewall Filters
Known Limitations
General Routing
Open Issues
General Routing
MPLS
Resolved Issues
Resolved Issues: 19.1R3
General Routing
Interfaces and Chassis
Routing Protocols
Resolved Issues: 19.1R2
General Routing
Class of Service
Interfaces and Chassis
Layer 2 Ethernet Services
MPLS
Platform and Infrastructure
Routing Protocols
Resolved Issues: 19.1R1
General Routing
Infrastructure
Services Applications
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Junos OS Release Notes for EX Series Switches
What's New
What’s New in Release 19.1R3-S2
Routing Policy and Firewall Filters
What’s New in Release 19.1R3
What’s New in Release 19.1R2
What’s New in Release 19.1R1
Hardware
Authentication, Authorization, and Accounting (AAA)
Dynamic Host Configuration Protocol
EVPNs
Interfaces and Chassis
Junos Telemetry Interface
Operation, Administration, and Maintenance (OAM)
Routing Policy and Firewall Filters
Routing Protocols
Security
Software Installation and Upgrade
What's Changed
What’s Changed in Release 19.1R3-S3
General Routing
What's Changed in Release 19.1R3
Multicast
Platform and Infrastructure
Routing Protocols
What's Changed in Release 19.1R2
Interfaces and Chassis
Layer 2 Features
Network Management and Monitoring
What's Changed in Release 19.1R1
EVPN
Interfaces and Chassis
Network Management and Monitoring
Security
User Interface and Configuration
Known Limitations
EVPN
General Routing
Security
Infrastructure
Virtual Chassis
Open Issues
Authentication and Access Control
General Routing
Infrastructure
Interfaces and Chassis
Junos Fusion Provider Edge
Junos Fusion Satellite Software
Multicast
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
Resolved Issues
Resolved Issues: 19.1R3
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Junos fusion for enterprise
Junos fusion Satellite Software
Layer 2 Features
Platform and Infrastructure
Routing Protocols
User Interface and Configuration
Resolved Issues: 19.1R2
EVPN
General Routing
Infrastructure
Interfaces and Chassis
J-Web
Junos fusion for enterprise
Layer 2 Ethernet Services
Layer 2 Features
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
Virtual Chassis
VPNs
Resolved Issues: 19.1R1
EVPN
General Routing
Infrastructure
Junos fusion for enterprise
Layer 2 Features
Layer 3 Features
Platform and Infrastructure
Routing Protocols
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Junos OS Release Notes for Junos fusion for enterprise
What’s New
Release 19.1R3 New and Changed Features
Release 19.1R2 New and Changed Features
Release 19.1R1 New and Changed Features
Authentication, Authorization and Accounting (AAA) (RADIUS)
What's Changed
Known Limitations
Junos fusion for enterprise
Open Issues
Junos fusion for enterprise
Resolved Issues
Resolved Issues: Release 19.1R3
Resolved Issues: Release 19.1R2
Resolved Issues: Release 19.1R1
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading Junos OS on an Aggregation Device
Upgrading an Aggregation Device with Redundant Routing Engines
Preparing the Switch for Satellite Device Conversion
Converting a Satellite Device to a Standalone Switch
Upgrade and Downgrade Support Policy for Junos OS Releases
Downgrading from Junos OS
Junos OS Release Notes for Junos fusion for provider edge
What's New
What's New in Release 19.1R3
Hardware
What's New in Release 19.1R2
What’s New in Release 19.1R1-S4
Hardware
What's New in Release 19.1R1
Authentication, Authorization and Accounting (AAA) (RADIUS)
What's Changed
What's Changed in Release 19.1R3
What's Changed in Release 19.1R2
What's Changed in Release 19.1R1
Junos fusion
Known Limitations
Open Issues
Junos fusion for provider edge
Resolved Issues
Resolved Issues: 19.1R3
Junos fusion for provider edge
Resolved Issues: 19.1R2
Junos fusion for provider edge
Resolved Issues: 19.1R1
Junos fusion for provider edge
Junos fusion Satellite Software
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading an Aggregation Device
Upgrading an Aggregation Device with Redundant Routing Engines
Preparing the Switch for Satellite Device Conversion
Converting a Satellite Device to a Standalone Device
Upgrading an Aggregation Device
Upgrade and Downgrade Support Policy for Junos OS Releases
Downgrading from Junos OS Release 19.1
Junos OS Release Notes for MX Series 5G Universal Routing Platform
What's New
What's New in Release 19.1R3-S2
High Availability (HA) and Resiliency
What's New in Release 19.1R3
What's New in Release 19.1R2
Routing Protocols
Subscriber Management and Services
What's New in Release 19.1R1-S1
Interfaces and Chassis
What's New in Release 19.1R1
Authentication, Authorization, and Accounting (AAA) (RADIUS)
Class of Service (CoS)
EVPN
Forwarding and Sampling
Hardware
Interfaces and Chassis
IPsec
Junos Telemetry Interface
Layer 3
Management
MPLS
Multicast
Network Management and Monitoring
Port Security
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Software Defined Networking (SDN)
Subscriber Management and Services
System Logging
System Management
What's Changed
What's Changed in Release 19.1R3
General Routing
Interfaces and Chassis
Services Applications
What's Changed in Release 19.1R2
EVPN
General Routing
Interfaces and Chassis
Network Management and Monitoring
Security
Services Applications
Software Defined Networking (SDN)
Subscriber Management and Services
What's Changed in Release 19.1R1
EVPN
Interfaces and Chassis
MPLS
Network Management and Monitoring
Network Operations and Troubleshooting Automation
Operation, Administration, and Maintenance (OAM)
Routing Protocols
Services Applications
Software-Defined Networking (SDN)
Subscriber Management and Services
User Interface and Configuration
Known Limitations
Fault Management
General Routing
Infrastructure
Interfaces and Chassis
MPLS
Platform and Infrastructure
Routing Protocols
Software-Defined Networking (SDN)
Subscriber Management and Services
Open Issues
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
High Availability (HA) and Resiliency
Infrastructure
Interfaces and Chassis
Junos fusion Enterprise
Junos fusion Provider Edge
Layer 2 Ethernet Services
MPLS
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
User Interface and Configuration
VPNs
Resolved Issues
Resolved Issues: 19.1R3
Application Layer Gateways
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Junos fusion enterprise
J-Web
Layer 2 Ethernet Services
MPLS
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Subscriber Access Management
VPNs
Resolved Issues: 19.1R2
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
J-Web
Junos fusion for provider edge
Layer 2 Features
Layer 2 Ethernet Services
MPLS
Network Address Translation (NAT)
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Software Installation and Upgrade
Subscriber Access Management
User Interface and Configuration
VPNs
Resolved Issues: 19.1R1
Application Layer Gateways (ALGs)
Authentication and Access Control
Class of Service (CoS)
Flow-Based and Packet-Based Processing
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
J-Web
Layer 2 Features
Layer 2 Ethernet Services
MPLS
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Subscriber Access Management
User Interface and Configuration
VPNs
Documentation Updates
Spanning Tree Protocol User Guide
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading to Release 19.1
Procedure to Upgrade to FreeBSD 11.x based Junos OS
Procedure to Upgrade to FreeBSD 6.x based Junos OS
Upgrade and Downgrade Support Policy for Junos OS Releases
Upgrading a Router with Redundant Routing Engines
Downgrading from Release 19.1
Junos OS Release Notes for NFX Series
What’s New
What’s New in Release 19.1R3
What’s New in Release 19.1R2
What’s New in Release 19.1R1
Hardware
Application Security
Architecture
Firewall User Authentication
High Availability
Performance modes
Wireless WAN
What's Changed
What's Changed in Release 19.1R3
What's Changed in Release 19.1R2
Factory-Default Configuration
What's Changed in Release 19.1R1
Known Limitations
Security
Platform and Infrastructure
Virtual Network Functions (VNFs)
Open Issues
Interfaces
High Availability
Platform and Infrastructure
Virtualized Network Functions (VNFs)
Resolved Issues
Resolved Issues: 19.1R3
Resolved Issues: 19.1R2
Resolved Issues: 19.1R1
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Basic Procedure for Upgrading to Release 19.1
Junos OS Release Notes for PTX Series Packet Transport Routers
What's New
What’s New in 19.1R3
What’s New in 19.1R2
What’s New in 19.1R1
Hardware
Authentication, Authorization, and Accounting (AAA)
Class of Service
Forwarding and Sampling
Junos Telemetry Interface
Layer 3 Features
MPLS
Network Management and Monitoring
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
What's Changed
What’s Changed in 19.1R3
General Routing
Interfaces and Chassis
Routing Protocols
What’s Changed in 19.1R2
General Routing
Network Management and Monitoring
Software-Defined Networking
What’s Changed in 19.1R1
EVPNs
Interfaces and Chassis
MPLS
Network Management and Monitoring
Services Applications
User Interface and Configuration
Known Limitations
General Routing
Open Issues
General Routing
Interfaces and Chassis
Routing Protocols
Resolved Issues
Resolved Issues: 19.1R3
General Routing
Forwarding and Sampling
Infrastructure
Interfaces and Chassis
Multiprotocol Label Switching (MPLS)
Routing Protocols
Resolved Issues: 19.1R2
General Routing
Infrastructure
Interfaces and Chassis
Layer 2 Ethernet Services
MPLS
Platform and Infrastructure
Routing Protocols
VPNs
Resolved Issues: 19.1R1
General Routing
Interfaces and Chassis
MPLS
Platform and Infrastructure
Routing Protocols
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading to Release 19.1
Upgrade and Downgrade Support Policy for Junos OS Releases
Upgrading a Router with Redundant Routing Engines
Junos OS Release Notes for the QFX Series
What's New
What’s New in Release 19.1R3-S2
Routing Policy and Firewall Filters
What’s New in Release 19.1R3
What’s New in Release 19.1R2
EVPN
What’s New in Release 19.1R1
Hardware
Authentication, Authorization and Accounting (AAA) (RADIUS)
Class of Service (CoS)
EVPNs
Forwarding and Sampling
General Routing
Interfaces and Chassis
Junos Telemetry Interface
Layer 2 Features
Licensing
Management
MPLS
Network Management and Monitoring
Routing Policy and Firewall Filters
Routing Protocols
System Management
What's Changed
What’s Changed in Release 19.1R3
General Routing
Multicast
Network Management and Monitoring
Platform and Infrastructure
What’s Changed in Release 19.1R2
EVPN
Interfaces and Chassis
Layer 2 Features
Network Management and Monitoring
Services and Applications
Software-Defined Networking
What’s Changed in Release 19.1R1
EVPN
Interfaces and Chassis
Network Management and Monitoring
Security
User Interface and Configuration
Known Limitations
EVPN
General Routing
Infrastructure
Layer 2 Features
MPLS
Platform and Infrastructure
Routing Protocols
Security
Virtual Chassis
Open Issues
EVPN
General Routing
Infrastructure
Interfaces and Chassis
Layer 2 Features
MPLS
Platform and Infrastructure
Routing Protocols
Resolved Issues
Resolved Issues: 19.1R3
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Interfaces and Chassis
Layer 2 Features
MPLS
Platform and Infrastructure
Routing Protocols
Resolved Issues: 19.1R2
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Interfaces and Chassis
Layer 2 Ethernet Services
Layer 2 Features
MPLS
Platform and Infrastructure
Routing Protocols
User Interface and Configuration
Resolved Issues: 19.1R1
EVPN
Interfaces and Chassis
Layer 2 Ethernet Services
Layer 2 Features
MPLS
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrading Software on QFX Series Switches
Installing the Software on QFX10002-60C Switches
Installing the Software on QFX10002 Switches
Upgrading Software from Junos OS Release 15.1X53-D3X to Junos OS Release 15.1X53-D60, 15.1X53-D61.7, 15.1X53-D62, and 15.1X53-D63 on QFX10008 and QFX10016 Switches
Installing the Software on QFX10008 and QFX10016 Switches
Performing a Unified ISSU
Preparing the Switch for Software Installation
Upgrading the Software Using Unified ISSU
Upgrade and Downgrade Support Policy for Junos OS Releases
Junos OS Release Notes for SRX Series
What’s New
What’s New in Release 19.1R3
What’s New in Release 19.1R2
Chassis Clustering
What’s New in Release 19.1R1
Application Security
Authentication Access Control
Intrusion Detection and Prevention (IDP)
J-Web
Logical Systems and Tenant Systems
Routing Policy and Firewall Filters
Routing Protocols
Security
Unified Threat Management (UTM)
VPN
What's Changed
Changes in Behavior and Syntax: Release 19.1R3
Application Layer Gateways (ALG)
Application Security
Authentication and Access Control
Ethernet Switching
Juniper Sky ATP
Unified Threat Management (UTM)
VPNs
Changes in Behavior and Syntax: Release 19.1R2
Authentication and Access Control
Network Management and Monitoring
Changes in Behavior and Syntax: Release 19.1R1
Flow-Based and Packet-Based Processing
Platform and Infrastructure
User Interface and Configuration
VPNs
Known Limitations
Application Security
Installation and Upgrade
J-Web
Platform and Infrastructure
Switching
VPNs
Open Issues
Flow-Based and Packet-Based Processing
Intrusion Detection and Prevention (IDP)
J-Web
Platform and Infrastructure
Routing Policy and Firewall Filters
SSL Proxy
VPNs
Resolved Issues
Resolved Issues: 19.1R3
Application Layer Gateways (ALGs)
Application Security
Authentication and Access Control
Chassis Clustering
Class of Service (CoS)
Flow-Based and Packet-Based Processing
Install and Upgrade
Interfaces and Chassis
Intrusion Detection and Prevention (IDP)
J-Web
Layer 2 Ethernet Services
Network Address Translation (NAT)
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Unified Threat Management (UTM)
VPNs
Resolved Issues: 19.1R2
Application Layer Gateways (ALGs)
Application Security
Authentication and Access Control
Chassis Clustering
Class of Service (CoS)
Flow-Based and Packet-Based Processing
Infrastructure
Installation and Upgrade
Interfaces and Chassis
Interfaces and Routing
Intrusion Detection and Prevention (IDP)
J-Web
Layer 2 Ethernet Services
Network Address Translation (NAT)
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Services Applications
Unified Threat Management (UTM)
User Interface and Configuration
VPNs
Resolved Issues: 19.1R1
Application Security
Application Layer Gateways (ALGs)
Chassis Clustering
Flow-Based and Packet-Based Processing
Integrated User Firewall
Interfaces and Routing
Intrusion Detection and Prevention (IDP)
Installation and Upgrade
J-Web
Layer 2 Ethernet Services
Multiprotocol Label Switching (MPLS)
Network Address Translation (NAT)
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Software Installation and Upgrade
Unified Threat Management (UTM)
VPNs
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases
Upgrading Using ISSU
Licensing
Compliance Advisor
Finding More Information
Documentation Feedback
Requesting Technical Support
Revision History