IP Addresses and Services Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 25.1.x, 25.2.x

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Updated:: June 17, 2025

Chapter: New and Changed IP Addresses and Services Features

New and Changed IP Addresses and Services Features
IP Addresses and Services Features Added or Modified in IOS XR Release 25.x.x

New and Changed IP Addresses and Services Features

This table summarizes the new and changed feature information for the IP Addresses and Services Configuration Guide for Cisco NCS 5500 Series Routers, and tells you where they are documented.

IP Addresses and Services Features Added or Modified in IOS XR Release 25.x.x

This section describes the new and changed IP addresses features for Cisco IOS XR.

IP Addresses Features Added or Modified in IOS XR Release 25.x.x

Table 1. New and Changed Features
Feature	Description	Changed in Release	Where Documented
Configure DHCPv6 relay source address	This feature was introduced.	Release 25.1.1	Configure DHCPv6 relay source address

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