Release Notes: Junos® OS Release 17.4R3 for the ACX Series, EX Series, MX Series, NFX Series, PTX Series, QFX Series, SRX Series, and Junos Fusion
7 October 2021
Table of Contents
- Introduction
- New Features in 17.4R3
- Junos OS Release Notes for ACX Series
- Junos OS Release Notes for EX Series Switches
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- Resolved Issues:17.4R3
- Authentication and Access Control
- Class of Service (CoS)
- EVPN
- Forwarding and Sampling
- General Routing
- Infrastructure
- Interfaces and Chassis
- Junos Fusion Enterprise
- Layer 2 Ethernet Services
- Layer 2 Features
- Layer 3 Features
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Protocols
- Spanning Tree Protocols
- User Interface and Configuration
- Virtual Chassis
- Resolved Issues: 17.4R2
- Resolved Issues: 17.4R1
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Junos OS Release Notes for Junos Fusion Data Center
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Basic Procedure for Upgrading an Aggregation Device
- Preparing the Switch for Satellite Device Conversion
- Autoconverting a Switch into a Satellite Device
- Manually Converting a Switch into a Satellite Device
- Configuring a Switch into a Satellite Device Before Connecting It to a Junos Fusion Topology
- Configuring Satellite Device Upgrade Groups
- Converting a Satellite Device to a Standalone Device
- Upgrade and Downgrade Support Policy for Junos OS Releases
- Downgrading from Release 17.4
- Junos OS Release Notes for Junos Fusion Enterprise
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- 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 Release 17.4
- Junos OS Release Notes for Junos Fusion Provider Edge
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- 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 Release 17.4
- Junos OS Release Notes for MX Series 5G Universal Routing Platforms
- New and Changed Features
- Release 17.4R3 New and Changed Features
- Release 17.4R2-S2 New and Changed Features
- Release 17.4R2 New and Changed Features
- Release 17.4R1 New and Changed Features
- Hardware
- Authentication, Authorization, and Accounting (AAA) (RADIUS)
- Class of Service (CoS)
- Dynamic Host Configuration Protocol (DHCP)
- EVPNs
- General Routing
- High Availability (HA) and Resiliency
- Interfaces and Chassis
- Junos OS XML API and Scripting
- Layer 2 Features
- Logical Systems
- Management
- MPLS
- Operation, Administration, and Maintenance (OAM)
- Routing Protocols
- Services Applications
- Software Defined Networking (SDN)
- Software Installation and Upgrade
- Subscriber Management and Services
- System Logging
- User interface and Configuration
- VPNs
- Changes in Behavior and Syntax
- Class of Service (CoS)
- EVPNs
- General Routing
- High Availability (HA) and Resiliency
- Interfaces and Chassis
- Management
- MPLS
- Multicast
- Network Management and Monitoring
- Routing Protocols
- Security
- Services Applications
- Software Defined Networking
- Software Installation and Upgrade
- Software Licensing
- Subscriber Management and Services
- User Interface and Configuration
- Known Behavior
- EVPN
- General Routing
- Infrastructure
- Interfaces and Chassis
- Junos Fusion Provider Edge
- Layer 2 Ethernet Services
- Multiprotocol Label Switching (MPLS)
- Platform and Infrastructure
- Routing Protocols
- Services Applications
- Software Defined Networking (SDN)
- Software Installation and Upgrade
- Subscriber Management and Services
- Known Issues
- Class of Service (CoS)
- EVPN
- Forwarding and Sampling
- General Routing
- High Availability (HA) and Resiliency
- 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
- Resolved Issues: 17.4R3
- 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
- J-Web
- 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: 17.4R2
- 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 Features
- Layer 2 Ethernet Services
- MPLS
- Multicast
- 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: 17.4R1
- Class of Service (CoS)
- Forwarding and Sampling
- General Routing
- High Availability (HA) and Resiliency
- Infrastructure
- Interfaces and Chassis
- Layer 2 Ethernet Services
- Layer 2 Features
- MPLS
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Protocols
- Services Applications
- Software Installation and Upgrade
- Subscriber Access Management
- User Interface and Configuration
- VPNs
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Junos OS Release Notes for NFX Series
- Junos OS Release Notes for PTX Series Packet Transport Routers
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Junos OS Release Notes for the QFX Series
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- Resolved Issues: 17.4R3
- Authentication and Access Control
- Class of Service (CoS)
- EVPN
- Forwarding and Sampling
- General Routing
- Infrastructure
- Interfaces and Chassis
- Junos Fusion Satellite Software
- Layer 2 Ethernet Services
- Layer 2 Features
- MPLS
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Protocols
- Spanning Tree Protocols
- User Interface and Configuration
- Resolved Issues: 17.4R2
- Resolved Issues: 17.4R1
- Class of Service (CoS)
- EVPNs
- Hardware
- High Availability (HA) and Resiliency
- Infrastructure
- Interfaces and Chassis
- Junos Fusion Satellite Software
- Layer 2 Features
- MPLS
- Network Management and Monitoring
- Platform and Infrastructure
- Port Security
- Routing Protocols
- Software Licensing
- Virtual Chassis
- VLAN Infrastructure
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Upgrading Software on QFX Series 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
- New and Changed Features
- Changes in Behavior and Syntax
- Known Behavior
- Known Issues
- Resolved Issues
- Resolved Issues: 17.4R3
- Application Layer Gateways (ALGs)
- Application Security
- Chassis Clustering
- Class of Service (CoS)
- Flow-based and Packet-based Processing
- Interfaces and Chassis
- Interfaces and Routing
- Intrusion Detection and Prevention (IDP)
- J-Web
- Layer 2 Ethernet Services
- Multiprotocol Label Switching (MPLS)
- Network Address Translation (NAT)
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Policy and Firewall Filters
- Unified Threat Management (UTM)
- VPNs
- Resolved Issues: 17.4R2
- Application Layer Gateways (ALGs)
- Authentication and Access Control
- Chassis Clustering
- Class of Service (CoS)
- Flow-Based and Packet-Based Processing
- General Routing
- 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
- Routing Protocols
- Software Installation and Upgrade
- System Logs
- User Firewall and Authentication
- Unified Threat Management (UTM)
- Upgrade and Downgrade
- VLAN Infrastructure
- VPNs
- Resolved Issues: 17.4R1
- Application Layer Gateways (ALGs)
- Chassis Cluster
- Class of Service (CoS)
- Flow-Based and Packet-Based Processing
- Interfaces and Chassis
- J-Web
- Layer 2 Ethernet Services
- Network Address Translation (NAT)
- Network Management and Monitoring
- Platform and Infrastructure
- Routing Policy and Firewall Filters
- System Logging
- Unified Threat Management (UTM)
- VPNs
- Documentation Updates
- Migration, Upgrade, and Downgrade Instructions
- Upgrading Using ISSU
- Compliance Advisor
- Finding More Information
- Documentation Feedback
- Requesting Technical Support
- Revision History