Release Notes for Cisco Routed Optical Networking Release 4.0

Routed Optical Networking

Routed Optical Networking simplifies complex multilayer networks by collapsing network layers and minimizing functional overlap. It enhances overall network efficiency by optimizing each layer. The architecture integrates open data models and standard APIs, promoting automation and making Routed Optical Networking easier to operate than legacy networks.

Routed Optical Networking offers improvements and simplification through:

Leveraging state-of-the-art optical and routing technologies to converge services over an IP infrastructure connected by a simplified DWDM layer.
Merging IP and private line services onto a single unified IP layer.
Simplifying end-to-end network architecture.
Utilizing a modern software stack spanning network management and control planes.
Improving network capacity and cost efficiency.
Reducing carbon footprint.
Offering unified capacity planning, unified EMS, unified path optimization, orchestration, and assurance.
Providing an automation ecosystem with open, programmable, and modular components.
Achieving total Cost of Ownership savings across CapEx and OpEx.

Routed Optical Networking utilizes high-density routers, high-capacity ZR or ZR+ pluggable digital coherent optics, simplified DWDM line systems, and end-to-end multi-layer automation to create next-generation networks.

New features in Release 4.0

This section provides a brief description of the new features introduced in this release.

New software features for Routed Optical Networking, Release 4.0
Feature	Release	Description
Automation Starter Solution	Crosswork Hierarchical Controller Release 11.0 Crosswork Network Controller Element Management System 7.1	The Routed Optical Networking Automation Starter solution is a simplified automation stack comprised of Crosswork Hierarchical Controller 11.0 and CNC 7.1 EMS. The reduced footprint installation fully supports IP network inventory, topology, and PM data using CNC EMS and full multi-layer network management using Crosswork HCO.
HCO Discovery and Assurance for QDD-OLS	Crosswork Hierarchical Controller Release 11.0	QDD-OLS pluggable discovery and assurance is supported in Crosswork Hierarchical Controller Release 11.0.

Router Support

Support for QDD 400G Ultra-Long Haul pluggable modules	Cisco IOS XR Release 25.2.1	The following routers support DP04QSDD-ULH-A1: 88-LC0-36FH-M 88-LC0-36FH NC57-18DD-SE NC57-24DD
Support for QSFP28 ZR DCO	Cisco IOS XR Release 25.2.1	The following routers support DP01QS28-E20 and DP01QS28-E25: ASR-9902 ASR-9903 A9903-20HG-PEC A9K-4HG A99-4HG A9K-8HG A9K-20HG A99-32HG A99-4T N540X-16Z4G8Q2C-D/A N540-ACC-SYS
NCS 2000 SVO and EPNM adapters	Crosswork Hierarchical Controller Release 11.0	Crosswork Hierarchical Controller can now manage NCS 2000 devices directly with the help of the SVO adapter.
CMIS AppSel support	Cisco IOS XR Release 25.2.1	You can now manage your DP04QSDD-ULH-A1 modules using Common Management Interface Specification AppSel.

Open issues

This table lists the open issues in this specific software release.

Note: This software release may contain open bugs first identified in other releases. To see additional information, click the bug ID to access the Cisco Bug Search Tool.

Open issues for Routed Optical Networking, Release 4.0
Bug ID	Description
CSCwo63497	Incorrect Channel Power Value Displayed Under Optical Cross Connections for All OXCS
CSCwo76407	Service Status Shows as OOS-AU, AINS Instead of OOS-AU, AINS & FLT Under Optical Cross Connections
CSCwo97263	DAC Rates Not Updated for 400G ULH After Configuration
CSCwq07255	HCO IP Link Service Create failure due to Bandwidth Mismatch btw Coherent DSP & Eth IF in CNC
CSCwq09784	HCO CrossLink Validation not supported for 100G ZR (E20/25)
CSCwo87237	NCS57b1(LNT) - ZR Ports are not showing under NI and SHQL
CSCwp65619	ONC Displays Incorrect Submode (N/A) for 400G-ULH Coherent Optics aliens
CSCwq20807	CoherentDSP 0/0/1/0 on asr9903 Router Not Reflected in CNC API Response After Service Creation, Causing IP Link Creation Failure in HCO
CSCwp65792	Issue with Termination API response from CNC for QDD-OLS pluggable
CSCwp64091	The setting of Expected Power on add/drop ports is no more available in 25.1.1
CSCwq10237	CONC Displays Incorrect Submode (N/A) for 100G-ZR(E20/E25) Coherent Optics aliens
CSCwq18209	[Brain] HCO::Operation Details Missing in Service Manager Due to Brain Unavailability During IP-Link Creation
CSCwq08085	Configured Tx Power Displays as -999.90 dBm for All Appsel Codes in 400G-ULH Optics

Legal information

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Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1110R)

Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

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