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Release Notes for Cisco ASR 1000 Series, Cisco IOS XE Amsterdam 17.3.x

About Cisco ASR 1000 Series Aggregation Services Routers

The Cisco ASR 1000 Series Routers feature a modular, integrated design engineered for reliability and performance. They enhance network capacity and services without requiring hardware upgrades, leveraging advancements in silicon and security. The series is powered by Cisco IOS XE Software, a modular operating system known for its packaging, feature velocity, and resiliency. These routers are ideal for enterprises managing high network traffic and service providers delivering high-performance services.

Available models include:

  • Cisco ASR 1001-X Router
  • Cisco ASR 1002-X Router
  • Cisco ASR 1001-HX Router
  • Cisco ASR 1002-HX Router
  • Cisco ASR 1004 Router
  • Cisco ASR 1006 Router
  • Cisco ASR 1006-X Router
  • Cisco ASR 1009-X Router
  • Cisco ASR 1013 Router

For detailed features and specifications, refer to the Cisco ASR 1000 Series Routers datasheet.

Key notes include information on the last release supporting subpackage upgrades for certain platforms and changes related to Smart Licensing Using Policy.

New and Enhanced Software Features

This document details new and enhanced software features introduced in Cisco IOS XE Amsterdam 17.3.x releases. Notable enhancements include:

  • Support for IP Multicast over UDL functionality for PIM.
  • Support for openconfig-lldp 0.2.1.
  • Improvements to the show ip nat pool and show diagnostic commands.
  • BGP EVPN Route Reflector enhancements.
  • Policy-Based Routing support for categorizing Office 365 traffic.
  • New cipher suites for IP SSH client and server.
  • Features for Cisco Unified Border Element (CUBE), such as support for Cisco ASR-1006, 100 VRFs, and OPUS codec negotiation.
  • Updates to Smart Licensing Using Policy and Cisco DNA Center integration.

Resolved and Open Bugs

The release notes provide extensive lists of resolved and open bugs impacting Cisco IOS XE Amsterdam versions. These are categorized by caveat ID and include descriptions of the issues encountered with various ASR 1000 Series platforms and features. The Cisco Bug Search Tool (BST) is highlighted as a resource for detailed defect information.

ROMmon Release Requirements

Information is provided on ROMmon support for various processors on the Cisco ASR 1000 Series. A specific note details restrictions on reverting ROMmon to earlier versions after upgrading to 17.3(1r) for certain platforms (ASR 1001-X, ASR 1001-HX, ASR 1002-HX, ASR 1000-RP3).

Further details can be found at: Cisco ASR 1000 Series ROMmon Upgrade Guide.

Related Documentation

A list of related documentation is provided, including:

  • Release Notes for Previous Versions
  • Hardware Guides
  • Configuration Guides
  • Command Reference Guides
  • Product Landing Page
  • Datasheets
  • Field Notices
  • Cisco Bulletins

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