Routing Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 26.1.x

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Updated:: February 28, 2026

Chapter: New and Changed Routing Features

New and Changed Routing Features
New and Changed Routing Features

New and Changed Routing Features

This table summarizes the new and changed feature information for the Routing Configuration Guide for Cisco ASR 9000 Series Routers, and tells you where they are documented.

New and Changed Routing Features

This table lists the technical changes made to this document since it was first released.

Table 1. **Routing Features Added or Modified in IOS XR Release 25.x.x**
Feature	Description	Changed in Release	Where Documented
IS-IS static neighbor	This feature was introduced.	Release 25.2.1	IS-IS static neighbor
IS-IS auto-cost reference bandwidth	This feature was introduced.	Release 25.4.1	IS-IS auto-cost reference bandwidth

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