Cisco Cisco IOS XR Software Release 3.9

IPv6 Filtering

IPv6 Routing

IPv6 Forwarding

IPv6 ACL

ECMP

ICMP

HSRP-VRRP L3VPN support

QoS Shared Policy Instance

ANCP-triggered interface bandwidth modification

Tri-rate SFP copper port bandwidth modification

IPv6 Classification

Tri-rate copper SFP

ANCP Termination

IPv4 VRF on main and sub-interfaces

CSC, Inter-AS L3VPN

CE-PE Link and FRR Protection for VPNv4 traffic on MPLS core

IGMP Snooping v2 and v3

Multicast Redirect UNI

PIM to SSM Mapping

IGMP VRF override

IPv6 OSPF, RIP, BGP

Multi-segment dynamic and static VPWS pseudo wires

Split Horizon Group for ACs

BGP Auto-discovery and signaling for VPLS and VPWS

Broadcast Storm Control

For Cisco IOS XR Software Release ,3.9.1 the Cisco ASR 9000 Series Router does not support the 
following inventory schemas:

vkg_invmgr_adminoper.xsd

vkg_invmgr_common.xsd

vkg_invmgr_oper.xsd

Only MLPPP encapsulation channels on the OC-12 SONET interface can be protected by IP-FRR 
in Cisco IOS XR software Release 3.9.0 and above.

For Cisco IOS XR software Release 3.9.0 and above the SIP 700 with the 2-Port Channelized 
OC-12/DS0 SPA  does not support SDH (including all the mappings under SDH) or DS0 mappings.

For Cisco IOS XR software Release 3.9.0 and above the SIP 700 with the 2-Port Channelized 
OC-12/DS0 SPA  does not support ATM or POS.