Table of Contents
Navigation
Back up to About Overview [+] Expand All
[-] Collapse All
Download This Guide
Junos® OS 12.2
Release Notes
Release 12.2R9
5 August
Revision 4
These release notes accompany Release 12.2R9 of the Junos operating system (Junos OS). They describe device documentation and known problems with the software. Junos OS runs on all Juniper Networks M Series, MX Series, and T Series routing platforms, EX Series Ethernet Switches, and the ACX Series.
For the latest, most complete information about outstanding and resolved issues with the Junos OS software, see the Juniper Networks online software defect search application at http://prsearch.juniper.net.
You can also find these release notes on the Juniper Networks Junos OS Documentation Web page, which is located at https://www.juniper.net/techpubs/software/junos/.
- Junos OS Release Notes for ACX Series Routers
- New Features in Junos OS Release 12.2 for ACX Series Routers
- Changes in Default Behavior and Syntax in Junos OS Release 12.2 for ACX Series Routers
- Known Limitations in Junos OS Release 12.2 for ACX Series Routers
- Outstanding Issues in Junos OS Release 12.2 for ACX Series Routers
- Resolved Issues in Junos OS Release 12.2 for ACX Series Routers
- Errata and Changes in Documentation for Junos OS Release 12.2 for ACX Series Routers
- Upgrade and Downgrade Instructions for Junos OS Release 12.2 for ACX Series Routers
- Junos OS Release Notes for EX Series Switches
- New Features in Junos OS Release 12.2 for EX Series Switches
- Changes in Default Behavior and Syntax in Junos OS Release 12.2 for EX Series Switches
- Limitations in Junos OS Release 12.2 for EX Series Switches
- Outstanding Issues in Junos OS Release 12.2 for EX Series Switches
- Resolved Issues in Junos OS Release 12.2 for EX Series Switches
- Changes to and Errata in Documentation for Junos OS Release 12.2 for EX Series Switches
- Upgrade and Downgrade Instructions for Junos OS Release 12.2 for EX Series Switches
- Upgrade and Downgrade Support Policy for Junos OS Releases
- Upgrading or Downgrading to Junos OS Release 12.2R1
- Upgrading to Junos OS Release 12.1R2 or Later, with Existing VSTP Configurations
- Upgrading from Junos OS Release 10.4R3 or Later
- Upgrading from Junos OS Release 10.4R2 or Earlier
- Upgrading EX Series Switches Using NSSU
- Junos OS Release Notes for M Series Multiservice Edge Routers, MX Series 3D Universal Edge Routers, and T Series Core Routers
- New Features in Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Class of Service (CoS)
- Forwarding and Sampling
- High Availability (HA) and Resiliency
- Interfaces and Chassis
- Junos OS Installation and Upgrade
- Junos OS XML API and Scripting
- Layer 2 Ethernet Services
- Multiprotocol Label Switching (MPLS)
- Multicast
- Network Management and Monitoring
- Routing Policy and Firewall Filters
- Routing Protocols
- Services Applications
- Subscriber Access Management
- User Interface and Configuration
- VPNs
- Changes in Default Behavior and Syntax in Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Known Behavior in Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Issues in Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Errata and Changes in Documentation for Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Upgrade and Downgrade Instructions for Junos OS Release 12.2 for M Series, MX Series, and T Series Routers
- Basic Procedure for Upgrading to Release 12.2
- Upgrade and Downgrade Support Policy for Junos OS Releases
- Upgrading a Router with Redundant Routing Engines
- Upgrading Juniper Network Routers Running Draft-Rosen Multicast VPN to Junos OS Release 10.1
- Upgrading the Software for a Routing Matrix
- Upgrading Using Unified ISSU
- Upgrading from Junos OS Release 9.2 or Earlier on a Router Enabled for Both PIM and NSR
- Downgrading from Release 12.2
- Junos OS Documentation and Release Notes
- Requesting Technical Support
- Revision History
