Overview
This document provides release notes for Cisco IOS XR Software Release 4.3.2, designed for Cisco ASR 9000 Series Aggregation Services Routers. It details the features, system requirements, supported hardware, and known issues (caveats) for this software version. Please note that this product has reached end-of-life status.
Key Features and Capabilities
Cisco IOS XR Software offers robust capabilities for aggregation services routers, including:
- IP and Routing: Comprehensive support for IPv4/IPv6 services and routing protocols like BGP, OSPF, IS-IS, and more.
- Ethernet Services: Features such as Ethernet Virtual Connections (EVCs), VLAN classification and translation, and IEEE bridging.
- Multiprotocol Label Switching (MPLS): Including Traffic Engineering (TE), RSVP, LDP, and Layer 3 VPNs.
- Quality of Service (QoS): Advanced mechanisms for traffic management, including policing, queuing, and shaping.
- Manageability & Security: Industry-standard interfaces (CLI, SNMP, XML) and robust security features.
- Availability & Performance: High availability features like fault tolerance, fast switchover, and enhanced core competencies for rapid convergence.
Contents
The release notes also cover essential information such as:
- System Requirements
- Detailed Feature Set Tables
- Supported Hardware components
- Memory Requirements
- Firmware Support details
- Software and Hardware Caveats
- New Software Features
- Upgrade Procedures
