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 6.6.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 6.6.x

Table 1. New and Changed Features
Feature Description Changed in Release Where Documented

Proactive ARP and ND

This feature was introduced in this release.

Release 6.6.25

Proactive Address Resolution Protocol and Neighbor Discovery

IPv6 Extension Header

This feature was introduced in this release.

Release 6.6.3

Filtering Packets with IPv6 Extension Headers

DHCPv6 Relay over BVI for IANA Address Allocation

This feature was introduced in this release.

Release 6.6.3

DHCPv6 Relay Over BVI for IANA Address Allocation

LPTS Domain based Policers

This feature was introduced in this release.

Release 6.6.3

LPTS Domain Based Policers

Per Port Rate Limit Multicast and Broadcast Punted Traffic

This feature was introduced in this release.

Release 6.6.3

Per Port Rate Limiting of Multicast and Broadcast Punt Packets