Overview
This document details the Junos OS Evolved Release 21.1R1 for Juniper Networks' PTX10001-36MR, PTX10003, PTX10004, PTX10008, QFX5130-32CD, and QFX5220 devices. It outlines key software highlights, new features, hardware support, and important considerations for this release.
Software Highlights
- Support for BGP neighbor telemetry with sharding.
- Enhanced P2MP LSP re-merge behavior configuration.
- Support for Layer 2 circuit, Layer 2 VPN, and VPLS services with BGP-labeled unicast.
- Flexible algorithms for IS-IS segment routing-traffic engineering (SR-TE).
- Relaxed BGP router ID format support per RFC 6286.
Key Features and Updates
This release introduces several enhancements across various network functionalities, including:
- Hardware: Updates and support for specific hardware configurations.
- MPLS: Improvements in MPLS capabilities, including point-to-multipoint (P2MP) ping and traceroute.
- Routing Protocols: Enhancements in BGP, FIB compression, and flow specification filtering.
- Services Applications: Support for GRE tunnel encapsulation and improved network monitoring tools like TWAMP and sFlow.
- Firewall Filters: Introduction of nested filters and Layer 2 firewall filter match conditions.
For detailed information on each feature and its implementation, please refer to the respective sections within the full document.
Getting Started
A new setup tool is available to assist users in getting Junos OS Evolved up and running quickly.
Further Information
For more in-depth information, users can consult the Juniper Networks documentation portal for guides such as the Junos OS Evolved Release Notes and specific user guides related to features like MPLS, Routing, and Firewall Filters.
