JunosE 12.2.1 Release Notes

Release Overview

These Release Notes cover Release 12.2.1 of the system software for the Juniper Networks E Series Broadband Services Routers and contain the following sections:

• Release Highlights on page 6
• Early Field Trial Features on page 6
• Unsupported Features on page 8
• Release Software Protocols on page 8
• SRC Software and SDX Software Compatibility Matrix on page 9
• Known Behavior on page 10
• Known Problems and Limitations on page 32
• Resolved Known Problems on page 44
• Errata on page 48
• Appendix A, System Maximums, on page 53

If the information in these Release Notes differs from the information found in the published documentation set, follow these Release Notes.

Before You Start

These Release Notes include information about the changes between Releases 12.2.0 and 12.2.1. Before you use your new software, read these Release Notes in their entirety, especially the section Known Problems and Limitations. You need the following documentation to fully understand all the features available in Release 12.2.1:

• These 12.2.1 Release Notes, which describe changes between Release 12.2.0 and Release 12.2.1
• The 12.2.0 Release Notes, which describe features available in Release 12.2.0
• The 12.2.x documentation set, which provides detailed information about features available in Release 12.2.0

The 12.2.x documentation set consists of several manuals and is available only in electronic format. You can print your own documentation using the PDF and HTML formats available at the Juniper Networks Technical Documentation Web site at www.juniper.net/techpubs. Refer to the following table to help you decide which document to use.

Task	Document
Install the router	ERX Hardware Guide E120 and E320 Hardware Guide
Learn about modules	ERX Module Guide E120 and E320 Module Guide E Series End-of-Life Module Guide
Get up and running quickly	E Series Installation Quick Start poster or ERX Quick Start Guide E120 and E320 Quick Start Guide
Configure the router	JunosE System Basics Configuration Guide
Configure physical layer interfaces	JunosE Physical Layer Configuration Guide
Configure link layer interfaces	JunosE Link Layer Configuration Guide
Configure line module redundancy, stateful SRP switchover, unified ISSU, VRRP, and interchassis redundancy (ICR)	JunosE Service Availability Configuration Guide
Configure IP, IPv6 and Neighbor Discovery, and interior gateway protocols (RIP, OSPF, and IS-IS)	JunosE IP, IPv6, and IGP Configuration Guide
Configure IP routing services, including routing policies, NAT, J-Flow statistics, BFD, IPSec, digital certificates, and IP tunnels	JunosE IP Services Configuration Guide
Configure IP multicast routing and IPv6 multicast routing	JunosE Multicast Routing Configuration Guide
Configure BGP, MPLS, Layer 2 service, and related applications	JunosE BGP and MPLS Configuration Guide
Configure policy management	JunosE Policy Management Configuration Guide
Configure quality of service (QoS)	JunosE Quality of Service Configuration Guide
Configure remote access	JunosE Broadband Access Configuration Guide
Get specific information about commands	JunosE Command Reference Guide A to M JunosE Command Reference Guide N to Z
Monitor system events	JunosE System Event Logging Reference Guide
Look up definitions of terms used in JunosE technical documentation	JunosE Glossary