Cisco ASR 903 Release Notes

2
Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
OL-26630-08
Chapter
New SoftwareFeatures in Cisco IOS XE Release 3.8(2)S
– XFP10GER-192IR-L
– XFP10GLR-192SR-L
– XFP-10GZR-OC192LR
For more information about how to configure these SFPs, see:
http://www.cisco.com/en/US/partner/docs/interfaces_modules/transceiver_modules/installation/note/O
L_24246.html
http://www.cisco.com/en/US/partner/products/hw/modules/ps5455/tsd_products_support_series_home
.html
New SoftwareFeatures in Cisco IOS XE Release 3.8(2)S
The IOS XE 3.8(2)S Release for the Cisco ASR 903 Router does not introduce any new software
features.
New Software Features in Cisco IOS XE Release 3.8(1)S
Release 3.8(1) introduces support for the following software features:
• uRPF Loose Mode—This release introduces support for Unicast Reverse Path Forwarding (uRPF)
Loose mode. For more information about this feature, see
http://www.cisco.com/en/US/docs/ios-xml/ios/sec_data_urpf/configuration/xe-3s/sec-unicast-rpf-l
oose-mode.html
New Software Features in Cisco IOS XE Release 3.8(0)S
Release 3.8(0) introduces support for the following software features:
• Automatic Protection Switching—This release introduces support for Automatic protection
switching (APS) for link failure protection on SONET networks. For more information, see
http://www.cisco.com/en/US/docs/routers/asr903/feature/guide/APS.html
• ATM IMA on OC-3 Interfaces—This release introduces support for ATM IMA on the OC-3
interface module. For more information about this feature, see the Cisco ASR 903 Router Chassis
Configuration Guide, Release 3.8.
• BFD Support on TDM interfaces—Release 3.8 introduces support for BFD on TDM interfaces. This
feature does not introduce any new CLI.
• BFD Support for HSRP—This release extends Bidirectional Forwarding Detection support in order
to send failure notifications using the Hot Standby Router Protocol (HSRP). For more information
about this feature, see
http://www.cisco.com/en/US/products/ps11610/products_installation_and_configuration_guides_l
ist.html
• BFD Timer Improvements—Release 3.8 introduces support for 3.3ms timers for offloaded IPv4
BFD traffic.
• BGP PIC—This release introduces support for BGP Prefix-Independent Convergence (PIC). This
feature improves BGP convergence after a network failure. This convergence is applicable to both
core and edge failures and can be used in both IP and MPLS networks. The BGP PIC Edge for IP

Cisco ASR 903 Specifications

General

Brand	Cisco
Model	ASR 903
Category	Network Router
Language	English