New and Changed Features in Cisco IOS XR Software, Release 4.3.x for Cisco ASR 9000 Series Aggregation Services Router
New and Changed Features for Cisco IOS XR Software, Release 4.3.x
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New and Changed Features for Cisco IOS XR Software, Release 4.3.x

New and Changed Features for Cisco IOS XR Software, Release 4.3.x

This list summarizes the new and changed features in the Cisco IOS XR Software, Release 4.3.x and tells you where the features are documented.

To read additional information about Cisco IOS XR Software, Release 4.3.x features, see the Release Notes available at the following Cisco website:

http:/​/​www.cisco.com/​en/​US/​products/​ps9853/​prod_​release_​notes_​list.html

The latest versions of Cisco IOS XR Software, Release 4.3.x documentation is available at the following Cisco website:

http:/​/​www.cisco.com/​en/​US/​products/​ps5845/​tsd_​products_​support_​series_​home.html

http:/​/​www.cisco.com/​en/​US/​products/​ps9853/​tsd_​products_​support_​series_​home.html

New and Changed Features Information in Cisco IOS XR Software, Release 4.3.x

Table 1 New and Changed Features for Cisco ASR 9000 Series Router
Feature Changed in Release Where Documented
Routing Features    

BFD over Logical Bundle

Release 4.3.0

BFD IPv6 Multihop

Release 4.3.0

BFD over GRE

Release 4.3.0

Route Convergence Monitoring and Diagnostics (RCMD) Prefix Monitoring

Release 4.3.0

Route Convergence Monitoring and Diagnostics (RCMD) OSPF Type 3/5/7 LSA Monitoring

Release 4.3.0

BGP-RIB Feedback Mechanism for Update Generation

Release 4.3.0

OSPFv2 VRF-lite

Release 4.3.0

OSPFv3 Timers Update

Release 4.3.0

EIGRP Wide Metric Computation

Release 4.3.0

Interface and Hardware Component Features    

Y.1731 Synthetic Loss Measurement

Release 4.3.0

Circuit Emulation SPA Support for ASR9000

Release 4.3.0

Remote satellite client node

Release 4.3.0

Broadband Network Gateway Features    

DHCPv6

Release 4.3.0

IPv6 Neighbor Discovery

Release 4.3.0

BNG Packaging

Release 4.3.0

IPv6 over PPPoE and IPoE Sessions and IPv6 uRPF for IPoE and PTA

Release 4.3.0

IPv6 Support on DAPS

Release 4.3.0

Packet Handling on Subscriber Interfaces Enhancements

Release 4.3.0

QoS - Support for Shared Policy Instance

Release 4.3.0

IPv6 Support on ACL

Release 4.3.0

Excessive Punt Flow Trap

Release 4.3.0

TCP MSS Handling

Release 4.3.0

Radius-based Lawful Intercept

Release 4.3.0

L2VPN and Ethernet Services    

Any Transport over MPLS (AToM) iMSG

Release 4.3.0

L2VPN over GRE

Release 4.3.0

Pseudowire Headend

Release 4.3.0

L2VPN Nonstop Routing

Release 4.3.0

Provider Backbone Bridge VPLS

Release 4.3.0

Multiple I-SID Registration Protocol Lite

Release 4.3.0

Per-VLAN Spanning Tree Access Gateway on Bundle Interfaces

Release 4.3.0

Pseudowire Grouping

Release 4.3.0

MPLS Layer 3 VPN    

Generic Routing Encapsulation (GRE)

Release 4.3.0

IP Addresses and Services Features    

IPv6 ACL on L2 interface

Release 4.3.0

Refer Access List Commands chapter in Cisco ASR 9000 Series Aggregation Services Router IP Addresses and Services Command Reference for information on the ipv6 access-group command and ipv6 access-list command used for configuring IPv6 ACL on L2 interface.

IPv6 FA over IPv4 TE Tunnel

Release 4.3.0

IPv6 SLA ICMP Echo Op EOT for HSRPv6 & IP Static

Release 4.3.0

ABFv4 over IRB/BVI

Release 4.3.0

HSRPv6, MGO for VRRP, HSRPv6 IPv6 BFD, HSRPv6 EOT

Release 4.3.0

Vidmon metric: MDI (MPEG VBR/CBR) & Vidmon metric: RTP (VBR/CBR), MPLS Encapsulated Video Packets

Release 4.3.0

MPLS Features    

GMPLS UNI

Release 4.3.0

Quality of Service Features    

ECN support

Release 4.3.0

QoS on IRB (BVI)

Release 4.3.0

Satellite QoS

Release 4.3.0

QoS for Pseudowire Head End

Release 4.3.0

CGv6 Features    

Stateful NAT64

Release 4.3.0

Mapping of Address and Port-Translation Mode (MAP-T)

Release 4.3.0

High Availability (HA)

Release 4.3.0

Destination-Based Logging (DBL)

Release 4.3.0

Multicast Features    

MLD Snooping

Release 4.3.0

Multicast VPN

Release 4.3.0

MoFRR

Release 4.3.0

System Management Features    

ISSU

Release 4.3.0

PTP Hybrid

Release 4.3.0

NTP-PTP Interworking

Release 4.3.0

ITU-T Telecom Profile for PTP

Release 4.3.0

System Monitoring Features    

Asynchronous Syslog Communication

Release 4.3.0

ROM Monitor Features    

ROMMON Version Updates

Release 4.3.0

Netflow Features    

No new features in this release

Release 4.3.0

NA
System Security Features    

No new features in this release

Release 4.3.0

NA