New and Changed Feature Information

This section lists all the new and changed features for the Programmability Configuration Guide.

New and Changed Programmability Features

Feature Name Description Changed in Release

Revised OpenConfig Data Models

Release 7.9.1

This releases introduces revisions to OpenConfig data models. For the list of models, the revised version and details, see the Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.9.x.

Disable TLS 1.0 to avoid security risks

Release 7.9.1

Although Transport Layer Security (TLS) protocol provides secure communication between servers and clients, TLS 1.0 may pose a security threat. This version is deprecated as per RFC 8996. You can now disable TLS 1.0 using the tlsv1-disable command. Use TLS 1.2 or later versions.