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Release Notes: Junos® OS Release 18.3R3 for the ACX Series, EX Series, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, and Junos Fusion

 

13 January 2021

Table of Contents

Introduction
New Features in 18.3R3
Junos OS Release Notes for ACX Series
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
Release 18.3R1-S1 New and Changed Features
Class of Service (CoS)
Timing and Synchronization
Release 18.3R1 New and Changed Features
Hardware
Authentication, Authorization and Accounting
Interfaces and Chassis
Junos OS XML API and Scripting
Junos Telemetry Interface
Layer 2 Features
MPLS
Multicast
OAM
Routing Policy and Firewall Filters
Routing Protocols
Timing and Synchronization
User Interface and Configuration
VPN
VLAN Infrastructure
Changes in Behavior and Syntax
General Routing
Interfaces and Chassis
Junos OS XML, API, and Scripting
Network Management and Monitoring
Platform and Infrastructure
Subscriber Management and Services
Known Behavior
General Routing
Junos Fusion Provider Edge
Known Issues
General Routing
Resolved Issues
Resolved Issues: 18.3R3
General Routing
Class of Service (CoS)
MPLS
Routing Protocols
Resolved Issues: 18.3R2
Class of Service
General Routing
Services Applications
Resolved Issues: 18.3R1
General Routing
Layer 2 Ethernet Services
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for EX Series Switches
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
Release 18.3R1 New and Changed Features
Hardware
Authentication, Authorization, and Accounting (AAA) (RADIUS)
Class of Service (CoS)
EVPNs
General Routing
Interfaces and Chassis
Junos Telemetry Interface
Layer 2 Features
MPLS
Multicast
Network Management and Monitoring
Operation, Administration, and Maintenance (OAM)
Port Security
Restoration Procedures and Failure Handling
Security
Software Installation and Upgrade
System Management
Changes in Behavior and Syntax
Interfaces and Chassis
Junos OS XML API and Scripting
Layer 2 Features
Network Management and Monitoring
Security
Subscriber Management and Services
Virtual Chassis
Known Behavior
Class of Service (CoS)
Ethernet Switching
Infrastructure
Layer 2 Features
Interfaces and Chassis
Platform and Infrastructure
Routing Protocols
Virtual Chassis
Known Issues
General Routing
Infrastructure
Interfaces and Chassis
Junos Fusion Enterprise
Layer 2 Ethernet Services
Layer 2 Features
Multicast
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
Resolved Issues
Resolved Issues: 18.3R3
Authentication and Access Control
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Junos Fusion Enterprise
Layer 2 Ethernet Services
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
User Interface and Configuration
Virtual Chassis
VPNs
Resolved Issues: 18.3R2
Authentication and Access Control
EVPN
General Routing
Infrastructure
Junos Fusion Enterprise
Layer 2 Features
Layer 3 Features
Platform and Infrastructure
Routing Protocols
Subscriber Access Management
Resolved Issues: 18.3R1
EVPN
High Availability (HA) and Resiliency
Infrastructure
Interfaces and Chassis
Layer 2 Features
Network Management and Monitoring
Platform and Infrastructure
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for Junos Fusion Enterprise
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
Release 18.3R1 New and Changed Features
Changes in Behavior and Syntax
Known Behavior
Junos Fusion
Known Issues
Resolved Issues
Resolved issues: Release 18.3R3
Resolved issues: Release 18.3R2
Resolved issues: Release 18.3R1
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 Junos OS
Product Compatibility
Hardware and Software Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for Junos Fusion Provider Edge
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
Release 18.3R1 New and Changed Features
Changes in Behavior and Syntax
Known Behavior
Junos Fusion Provider Edge
Known Issues
Junos Fusion Provider Edge
Resolved Issues
Resolved Issues: 18.3R3
Junos Fusion Provider Edge
Resolved Issues: 18.3R2
Junos Fusion Provider Edge
Junos Fusion Satellite Software
Resolved Issues: 18.3R1
Junos Fusion
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 18.3
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for MX Series 5G Universal Routing Platform
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
MPLS
Network Management and Monitoring
Routing Protocols
Release 18.3R1 New and Changed Features
Hardware
Authentication, Authorization, and Accounting
EVPN
Forwarding and Sampling
High Availability and Resiliency
Interfaces and Chassis
IPv6
Junos Telemetry Interface
MPLS
Multicast
Network Management and Monitoring
Restoration Procedures Failure
Routing Protocols
Security
Service Applications
Software-Defined Networking
Subscriber Management and Services
Changes in Behavior and Syntax
Class of Service (CoS)
EVPNs
General Routing
Infrastructure
Interfaces and Chassis
Junos OS XML, API, and Scripting
MPLS
Network Management and Monitoring
Routing Protocols
Security
Services Applications
Software Installation and Upgrade
Subscriber Management and Services
VPNs
Known Behavior
Forwarding and Sampling
High Availability and Resiliency
General Routing
Interfaces and Chassis
MPLS
Platform and Infrastructure
Port Security
Routing Protocols
Services Applications
Software Defined Networking
Subscriber Management and Services
Known Issues
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Layer 2 Features
MPLS
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Subscriber Access Management
User Interface and Configuration
Resolved Issues
Resolved Issues: 18.3R3
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Layer 2 Ethernet Services
Layer 2 Features
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: 18.3R2
Application Layer Gateways (ALGs)
Authentication and Access Control
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
Infrastructure
Interfaces and Chassis
Layer 2 Features
Layer 2 Ethernet Services
MPLS
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Subscriber Access Management
User Interface and Configuration
VPNs
Resolved Issues: 18.3R1
Application Layer Gateways (ALGs)
Authentication and Access Control
Class of Service (CoS)
EVPN
Forwarding and Sampling
General Routing
High Availability (HA) and Resiliency
Infrastructure
Interfaces and Chassis
Layer 2 Ethernet Services
Layer 2 Features
MPLS
Multicast
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Services Applications
Subscriber Access Management
User Interface and Configuration
VPNs
Documentation Updates
Subscriber Management Access Network Guide
Subscriber Management Provisioning Guide
Subscriber Management VLANs Interfaces Guide
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading to Release 18.3
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 18.3
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for NFX Series
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
Release 18.3R1 New and Changed Features
Changes in Behavior and Syntax
Known Behavior
General Routing
NFX150 Series Devices
Known Issues
Known Issues: 18.3R3
Resolved Issues
Resolved Issues: 18.3R3
Resolved Issues: 18.3R2
Resolved Issues: 18.3R1
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases
Basic Procedure for Upgrading to Junos OS Release 18.3
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Software Version Compatibility
NFX250 Software Version Compatibility
Junos OS Release Notes for PTX Series Packet Transport Routers
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
MPLS
Release 18.3R1 New and Changed Features
Hardware
Authentication, Authorization, and Accounting (AAA) (RADIUS)
Class of Service
Interfaces and Chassis
Junos Telemetry Interface
MPLS
Network Management and Monitoring
Routing Policy and Firewall Filters
Routing Protocols
Software-Defined Networking (SDN)
User Interface and Configuration
Changes in Behavior and Syntax
General routing
Interfaces and Chassis
Junos OS XML API and Scripting
MPLS
Network Management and Monitoring
Openconfig
Routing Policy and Firewall Filters
Software Installation and Upgrade
Subscriber Management and Services
Known Behavior
General Routing
Interfaces and Chassis
Routing Policy and Firewall Filters
User Interface and Configuration
Known Issues
General Routing
Interfaces and Chassis
Routing Protocols
Resolved Issues
Resolved Issues: 18.3R3
General Routing
Infrastructure
Interfaces and Chassis
MPLS
Platform and Infrastructure
Routing Protocols
VPNs
Resolved Issues: 18.3R2
General Routing
Infrastructure
Interfaces and Chassis
MPLS
Platform and Infrastructure
Routing Protocols
Resolved Issues: 18.3R1
General Routing
MPLS
Platform and Infrastructure
Routing Protocols
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Basic Procedure for Upgrading to Release 18.3
Upgrade and Downgrade Support Policy for Junos OS Releases
Upgrading a Router with Redundant Routing Engines
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for the QFX Series
New and Changed Features
Release 18.3R3 New and Changed Features
Release 18.3R2 New and Changed Features
MPLS
Release 18.3R1-S3 New and Changed Features
EVPN
Interfaces and Chassis
Release 18.3R1-S2 New and Changed Features
EVPN
Release 18.3R1 New and Changed Features
Hardware
Authentication, Authorization, and Accounting (AAA) (RADIUS)
Class of Service (CoS)
EVPN
General Routing
Interfaces and Chassis
Junos Telemetry Interface
Layer 2 Features
MPLS
Multicast
Network Management and Monitoring
Restoration Procedures and Failure Handling
Routing Protocols
Security
System Management
User Interface and Configuration
Changes in Behavior and Syntax
EVPN
Interfaces and Chassis
Junos OS XML API and Scripting
Layer 2 Features
Network Management and Monitoring
Routing Policy and Firewall Filters
Security
Virtual Chassis
Known Behavior
Class of Service (CoS)
EVPN
Interfaces and Chassis
Layer 2 Features
Platform and Infrastructure
Routing Protocols
User Interface and Configuration
Virtual Chassis
Known Issues
EVPN
Infrastructure
Layer 2 Features
MPLS
Platform and Infrastructure
Routing Protocols
Resolved Issues
Resolved Issues: 18.3R3
Authentication and Access Control
Class of Service (CoS)
EVPN
Forwarding and Sampling
Interfaces and Chassis
Junos Fusion Provider Edge
Layer 2 Features
Layer 2 Ethernet Services
MPLS
Platform and Infrastructure
Routing Protocols
User Interface and Configuration
Resolved Issues: 18.3R2
EVPN
General Routing
Interfaces and Chassis
Junos Fusion Provider Edge
Junos Fusion Satellite Software
Layer 2 Features
Layer 2 Ethernet Services
Multiprotocol Label Switching (MPLS)
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Resolved Issues: 18.3R1
Class of Service (CoS)
EVPN
Infrastructure
Interfaces and Chassis
Junos Fusion Provider Edge
Junos Fusion Satellite Software
Layer 2 Features
MPLS
Network Management and Monitoring
Platform and Infrastructure
Routing Protocols
Virtual Chassis
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
Product Compatibility
Hardware Compatibility
Hardware Compatibility Tool
Junos OS Release Notes for SRX Series
New and Changed Features
Release 18.3R3 New and Changed Features
Chassis Clustering
Release 18.3R2 New and Changed Features
Release 18.3R1 New and Changed Features
Application Security
Authentication and Access
Authentication, Authorization, and Accounting
Flow-Based and Packet-Based Processing
GPRS
Intrusion Detection and Protection (IDP)
Interfaces and Chassis
Logical Systems and Tenant Systems
NAT
Platform and Infrastructure
Routing Protocols
UTM
Changes in Behavior and Syntax
Changes in Behavior and Syntax: Release 18.3R3
Authentication and Access Control
Juniper Sky ATP
Network management and Monitoring
Changes in Behavior and Syntax: Release 18.3R2
Authentication and Access Control
Chassis Clustering
Network Management and Monitoring
Platform and Infrastructure
VPN
Known Behavior
Application Security
Chassis Clustering
Flow-Based and Packet-Based Processing
Interfaces and Chassis
J-Web
Unified Threat Management (UTM)
User Interface and Configuration
VPNs
Known Issues
Application Identification
Chassis Clustering
Flow-Based and Packet-Based Processing
J-Web
Network Management and Monitoring
Platform and Infrastructure
VPNs
Resolved Issues
Resolved Issues: 18.3R3
Application Layer Gateways (ALGs)
Application Security
Authentication and Access Control
Chassis Clustering
Flow-Based and Packet-Based Processing
Installation and Upgrade
Interfaces and Chassis
Intrusion Detection and Prevention (IDP)
J-Web
Network Address Translation (NAT)
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Unified Threat Management (UTM)
VPNs
Resolved Issues: 18.3R2
Application Layer Gateways (ALGs)
Application Security
Application Layer Gateways (ALGs)
Chassis Clustering
Command-Line Interface (CLI)
Flow-based and Packet-based Processing
General Routing
Intrusion Detection and Prevention (IDP)
Interfaces and Routing
Installation and Upgrade
J-Web
Layer 2 Ethernet Services
Logical Systems and Tenant Systems
Network Address Translation (NAT)
Platform and Infrastructure
Routing Policy and Firewall Filters
Services Applications
Unified Threat Management (UTM)
VPNs
Resolved Issues: 18.3R1
Application Layer Gateways (ALGs)
Application Layer Gateways (ALGs)
Class of Service (CoS)
Flow-Based and Packet-Based Processing
Interfaces and Chassis
Intrusion Detection and Prevention (IDP)
J-Web
Layer 2 Features
Layer 2 Ethernet Services
Network Management and Monitoring
Platform and Infrastructure
Routing Policy and Firewall Filters
Routing Protocols
Unified Threat Management (UTM)
VLAN Infrastructure
VPNs
Documentation Updates
Migration, Upgrade, and Downgrade Instructions
Upgrade and Downgrade Support Policy for Junos OS Releases and Extended End-Of-Life Releases
Product Compatibility
Hardware Compatibility
Upgrading Using ISSU
Compliance Advisor
Finding More Information
Documentation Feedback
Requesting Technical Support
Revision History