Overview
This document provides detailed release notes for Juniper Networks' Junos OS version 21.1R1. It covers the software highlights, new features, and hardware support across a wide range of Juniper devices and platforms.
Key Features and Software Highlights
Junos OS Release 21.1R1 introduces significant advancements, including:
- Support for multiple independent IGP instances of IS-IS for ACX, MX, and PTX Series.
- Flexible algorithm support in OSPFv2 for segment routing traffic engineering.
- New transport class-based architecture for service mapping over colored tunnels.
- Enhanced support for EVPN-MPLS and BGP MVPN.
- Next Generation Services for MX Series routers.
- Support for VRRP, microsegmentation on VLANs and VXLANs, and EVPN-VXLAN tunnel inspection.
- Policy-based threat profiling and traffic selector enhancements for SRX Series.
Hardware Highlights
The release also includes support for new hardware, such as:
- The new EX4400 Switch for enterprise environments.
- Features for MPC10E and MPC11E on MX Series Routers.
- Support for new 100G DAC and bidirectional transceivers for QFX10002-60C.
Additional Information
For more in-depth information on specific features, known issues, and upgrade procedures, please refer to the detailed sections within this document. Juniper Networks is committed to providing robust and reliable network solutions.
For setup assistance, Juniper offers a Junos OS setup tool.
