Cisco ASR 903 Release Notes

3
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter
New Software Features in Cisco IOS XE Release 3.8(0)S
and MPLS-VPN feature creates and stores a backup/alternate path in the routing information base
(RIB), forwarding information base (FIB), and Cisco Express Forwarding so that when a failure is
detected, the backup/alternate path can immediately take over, thus enabling fast failover. For more
information, see
http://www.cisco.com/en/US/partner/docs/ios-xml/ios/iproute_bgp/configuration/xe-3s/asr903/irg-
xe-3s-asr903-book.html
• VPLS BGP Signaling—This release introduces support for VPLS BGP Signaling. The two primary
functions of the Virtual Private LAN Service (VPLS) control plane are autodiscovery and signaling.
The VPLS BGP Signaling feature enables you to use BGP as both an autodiscovery and a signaling
protocol for VPLS. For more information, see
http://www.cisco.com/en/US/docs/ios-xml/ios/iproute_bgp/configuration/xe-3s/asr903/irg-vpls-bg
p-sig.html
• E-LMI PE Support—This release introduces support for Ethernet Local Management Interface
(LMI) at the Provider Edge (PE). For more information about this feature, see
http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/xe-3s/asr903/ce-elmi-pe.html
• IP SLA Y.1731 SLM Feature Enhancements—This release introduces support for IP SLA SLM
enhancements as described in the Y.1731 standard. For more information about this feature, see
http://www.cisco.com/en/US/docs/ios-xml/ios/ipsla/configuration/xe-3s/asr903/sla_y1731_deman
d.html
• IS-IS Support for BFD over IPv6—This release introduces support for BFD on IS-IS IPv6
connections. For more information about this feature, see
http://www.cisco.com/en/US/products/ps11610/products_installation_and_configuration_guides_l
ist.html
• LACP Min-Links—This release introduces support for Etherchannel Min-Links, a minimum
threshold for the number of links in an Etherchannel before the it becomes active. For more
information about this feature, see
http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/xe-3s/asr903/ce-ieee-link-bndl
-xe.html
• Microwave Adaptive Bandwidth—This release introduces support for Microwave Adaptive
Bandwidth with G.8032 and CFM. For more information about this feature, see
http://www.cisco.com/en/US/docs/ios-xml/ios/cether/configuration/xe-3s/asr903/ce-cfm-adapt-ban
dwidth.html
• MPLS on PoS Interfaces—Release 3.8 introduces support for MPLS on Packet over SONET (PoS)
interfaces. For more information about this feature, see the Cisco ASR 903 Router Chassis
Configuration Guide, Release 3.8.
• MPLS-TP MIB—This release introduces support for the MPLS-TP MIB. For more information
about using MIBs, see MIB Support, page 1-4.
• MPLS-TP Pseudowire Support—This release introduces support for MPLS-TP on ATM and TDM
pseudowires. For more information, see the Cisco ASR 903 Router Chassis Configuration Guide,
Release 3.8 and
http://www.cisco.com/en/US/docs/ios-xml/ios/mp_basic/configuration/xe-3s/mp-mpls-tp.html
• OC-3 MLPPP QoS Support—Release 3.8 introduces support for QoS policies on egress MLPPP
interfaces on the optical interface module.
• Multicast on T1/E1 and Optical Interfaces—Release 3.8 introduces support for multicast on T1/E1
and OC-3 interface modules. For more information about multicast, see
http://www.cisco.com/en/US/products/ps11610/products_installation_and_configuration_guides_l
ist.html.

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English