Cisco ASR 903 How to use

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Release Notes for the
Cisco ASR 903 Router
November 21, 2013
Text Part Number: OL-26630-08

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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
© 2013 Cisco Systems, Inc. All rights reserved.

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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
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CONTENTS
CHAPTER 1Release Notes for the Cisco ASR 903 Router 1-1
Cisco ASR 903 Router Overview 1-1
Feature Navigator 1-2
Software Licensing Overview 1-2
Documentation Roadmap 1-2
Determining the Software Version 1-2
Upgrading to a New Software Release 1-2
Supported ROMmon Versions 1-3
Deferrals 1-3
Field Notices and Bulletins 1-3
MIB Support 1-4
MIB Documentation 1-6
Open Source License Notices 1-6
CHAPTER 2New Features in Cisco IOS XE 3.6S Releases 2-1
New Hardware Features in Cisco IOS XE Release 3.6(2)S 2-1
New Hardware Features in Cisco IOS XE Release 3.6(1)S 2-1
New Hardware Features in Cisco IOS XE Release 3.6S 2-1
New Software Features in Cisco IOS XE Release 3.6(2)S 2-2
New Software Features in Cisco IOS XE Release 3.6(1)S 2-2
New Software Features in Cisco IOS XE Release 3.6S 2-4
CHAPTER 3New Features in Cisco IOS XE 3.7S Releases 3-1
New Hardware Features in Cisco IOS XE Release 3.7(4)S 3-1
New Hardware Features in Cisco IOS XE Release 3.7(3)S 3-1
New Hardware Features in Cisco IOS XE Release 3.7(2)S 3-2
New Hardware Features in Cisco IOS XE Release 3.7(1)aS 3-2
New Hardware Features in Cisco IOS XE Release 3.7(0)S 3-2
New Software Features in Cisco IOS XE Release 3.7(4)S 3-2
New Software Features in Cisco IOS XE Release 3.7(3)S 3-2
New Software Features in Cisco IOS XE Release 3.7(2)S 3-2
New Software Features in Cisco IOS XE Release 3.7(1)aS 3-2

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New Software Features in Cisco IOS XE Release 3.7(0)S 3-2
CHAPTER 4New Features in Cisco IOS XE 3.8S Releases 4-1
New HardwareFeatures in Cisco IOS XE Release 3.8(2)S 4-1
New Hardware Features in Cisco IOS XE Release 3.8(1)S 4-1
New Hardware Features in Cisco IOS XE Release 3.8(0)S 4-1
New SoftwareFeatures in Cisco IOS XE Release 3.8(2)S 4-2
New Software Features in Cisco IOS XE Release 3.8(1)S 4-2
New Software Features in Cisco IOS XE Release 3.8(0)S 4-2
CHAPTER 5New Hardware Features in Cisco IOS XE Release 3.9(2)S 5-1
New Software Features in Cisco IOS XE Release 3.9(2)S 5-1
New Hardware Features in Cisco IOS XE Release 3.9(1a)S 5-1
New Software Features in Cisco IOS XE Release 3.9(1a)S 5-2
New Hardware Features in Cisco IOS XE Release 3.9(0)S 5-2
New Software Features in Cisco IOS XE Release 3.9(0)S 5-3
CHAPTER 6New Features in Cisco IOS XE 3.10S Releases 6-1
New Hardware Features in Cisco IOS XE Release 3.10.1S 6-1
DC PEM Module (A900-PWR550-D-E) 6-1
Fan Tray (A903-FAN-E) 6-1
Dust Filter (A903-FAN-F) 6-2
Dummy Cover (A903-FAN-F-B) 6-2
Cable Bracket (A903-CAB-BRACKET) 6-2
Air Plenum 6-2
New Hardware Features in Cisco IOS XE Release 3.10S 6-2
Serial Interface Module 6-2
CWDM SFP 6-3
New Software Features in Cisco IOS XE Release 3.10.1S 6-3
New Software Features in Cisco IOS XE Release 3.10S 6-3
Access Circuit Redundancy 6-4
Access Switch Device Manager Template 6-4
Auto-IP 6-4
BFD Debug Enhancement 6-4
Bidirectional Forwarding Detection Deterministic Hardware Offload 6-5
Broadcast and Multicast Suppression 6-5
IGMP Snooping 6-5
Licensing the OC-3 and OC-12 Interface Modules 6-5

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Multichassis LACP 6-6
Pseudowire Group Switchover 6-6
Raw Socket 6-6
Hardware Limitations 6-7
Software Limitations 6-7
Remote LFA FRR Protection for TDM and ATM Pseudowires 6-7
Remote LFA FRR and Labeled BGP PIC FRR Integration 6-7
VPLS over Remote LFA 6-8
CHAPTER 1New Features in Cisco IOS XE 3.11S Releases 1-1
New Hardware Features in Cisco IOS XE Release 3.11S 1-1
New Software Features in Cisco IOS XE Release 3.11S 1-1
AAL5 termination 1-2
Access Switch Device Manager Template 1-2
Data Plane Ethernet Loopback with QoS 1-2
Dissimilar PHB Match at Ingress and Egress 1-2
Dying Gasp 1-2
DS3 Framing on OC-3 and OC-12 1-3
Fast Reroute Support for Bridge Domain Interface 1-3
IPv6 Multicast: Multicast Listener Discovery (MLD) 1-3
IPv6 Multicast: PIM v6 1-3
ISIS Local Microloop Protection 1-3
MR-APS Integration with Hotstandby Pseudowire 1-3
Remote SPAN 1-4
Service Groups 1-4
TCAM Threshold Based Alarms 1-4
CHAPTER 2Limitations and Restrictions 2-1
Limitations and Restrictions in Cisco IOS XE Release 3.6(2)S 2-1
Limitations and Restrictions in Cisco IOS XE Release 3.6(1)S 2-2
Limitations and Restrictions in Cisco IOS XE Release 3.6S 2-4
Caveats in Cisco IOS XE 3.6S Releases 2-6
Open Caveats—Cisco IOS XE Release 3.6(2)S 2-6
Resolved Caveats—Cisco IOS XE Release 3.6(2)S 2-9
Open Caveats—Cisco IOS XE Release 3.6(1)S 2-11
Resolved Caveats—Cisco IOS XE Release 3.6(1)S 2-13
Open Caveats—Cisco IOS XE Release 3.6(0)S 2-17
Resolved Caveats—Cisco IOS XE Release 3.6(0)S 2-28

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CHAPTER 3Restrictions and Caveats in Cisco IOS XE 3.7S Releases 3-1
Limitations and Restrictions 3-1
Limitations and Restrictions in Cisco IOS XE Release 3.7(4)S 3-1
Limitations and Restrictions in Cisco IOS XE Release 3.7(3)S 3-2
Limitations and Restrictions in Cisco IOS XE Release 3.7(2)S 3-2
Limitations and Restrictions in Cisco IOS XE Release 3.7(1)aS 3-2
Limitations and Restrictions in Cisco IOS XE Release 3.7(0)S 3-2
Caveats in Cisco IOS XE 3.7S Releases 3-4
Open Caveats—Cisco IOS XE Release 3.7(4)S 3-5
Resolved Caveats—Cisco IOS XE Release 3.7(4)S 3-8
Open Caveats—Cisco IOS XE Release 3.7(3)S 3-16
Resolved Caveats—Cisco IOS XE Release 3.7(3)S 3-19
Open Caveats—Cisco IOS XE Release 3.7(2)S 3-35
Resolved Caveats—Cisco IOS XE Release 3.7(2)S 3-43
Open Caveats—Cisco IOS XE Release 3.7(1)aS 3-45
Resolved Caveats—Cisco IOS XE Release 3.7(1)aS 3-49
Open Caveats—Cisco IOS XE Release 3.7(0)S 3-51
Resolved Caveats—Cisco IOS XE Release 3.7(0)S 3-58
CHAPTER 4Restrictions and Caveats in Cisco IOS XE 3.8 Releases 4-1
Limitations and Restrictions 4-1
Limitations and Restrictions in Cisco IOS XE Release 3.8(2)S 4-1
Limitations and Restrictions in Cisco IOS XE Release 3.8(1)S 4-1
Limitations and Restrictions in Cisco IOS XE Release 3.8(0)S 4-2
Caveats in Cisco IOS XE 3.8S Releases 4-6
Open Caveats—Cisco IOS XE Release 3.8(2)S 4-7
Resolved Caveats—Cisco IOS XE Release 3.8(2)S 4-12
Open Caveats—Cisco IOS XE Release 3.8(1)S 4-20
Resolved Caveats—Cisco IOS XE Release 3.8(1)S 4-23
Open Caveats—Cisco IOS XE Release 3.8(0)S 4-36
Resolved Caveats—Cisco IOS XE Release 3.8(0)S 4-43
CHAPTER 5Restrictions and Caveats in Cisco IOS XE 3.9 Releases 5-1
Limitations and Restrictions 5-1
Caveats in Cisco IOS XE 3.9S Releases 5-5
Open Caveats—Cisco IOS XE Release 3.9(2)S 5-5
Resolved Caveats—Cisco IOS XE Release 3.9(2)S 5-6
Open Caveats—Cisco IOS XE Release 3.9(1a)S 5-13
Resolved Caveats—Cisco IOS XE Release 3.9(1a)S 5-17

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Open Caveats—Cisco IOS XE Release 3.9(0)S 5-26
Resolved Caveats—Cisco IOS XE Release 3.9(0)S 5-30
CHAPTER 6Restrictions and Caveats in Cisco IOS XE 3.10 Releases 6-1
Limitations and Restrictions 6-1
Caveats in Cisco IOS XE 3.10S Releases 6-2
Open Caveats—Cisco IOS XE Release 3.10.1S 6-3
Resolved Caveats—Cisco IOS XE Release 3.10.1S 6-5
Open Caveats—Cisco IOS XE Release 3.10S 6-10
Resolved Caveats—Cisco IOS XE Release 3.10S 6-13
CHAPTER 7Restrictions and Caveats in Cisco IOS XE 3.11 Releases 7-1
Caveats in Cisco IOS XE 3.10S Releases 7-1
Open Caveats—Cisco IOS XE Release 3.11S 7-2
Resolved Caveats—Cisco IOS XE Release 3.11S 7-2

Contents
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CHAPTER
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Cisco IOS XE 3S Release Notes for the Cisco ASR 903 Router
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1
Release Notes for the Cisco ASR 903 Router
The Cisco ASR 903 Router runs the Cisco IOS XE software beginning with Release 3.5.0S. This
document provides information about the IOS XE software release for the Cisco ASR 903 Router
beginning with Release 3.6(0)S.
Note For information about Cisco IOS Release 3.5, see the Release Notes for Cisco IOS XE Release 3S.
The following sections provide an overview of the Cisco ASR 903 Router and Cisco IOS XE releases:
•Cisco ASR 903 Router Overview, page 1-1
•Feature Navigator, page 1-2
•Documentation Roadmap, page 1-2
•Determining the Software Version, page 1-2
•Upgrading to a New Software Release, page 1-2
•Deferrals, page 1-3
•MIB Support, page 1-4
•Open Source License Notices, page 1-6
Cisco ASR 903 Router Overview
TheCiscoASR903Routerisafully-featured routing platform designed for the cost-effective delivery
of converged mobile and business services. With full redundancy, shallow depth, low power
consumption and high service scale, this 3-rack-unit (3RU) router is optimized for small aggregation and
remote point-of-presence (POP) applications. The Cisco ASR 903 Router provides a rich and scalable
feature set of Legacy, Timing, Carrier Ethernet, Layer 2 VPN (L2VPN) and Layer 3 VPN (L3VPN)
services in a compact package.
The Cisco ASR 903 Router is a fully modular platform with support for 6-Interface Modules (IMs), two
Route Switch Processor (RSP) slots, two power supplies and redundant fans. Cisco offers a wide choice
of LAN and WAN interfaces available in speeds ranging from nxDS0 to 10 Gigabit Ethernet. The design
of the Cisco ASR 903 Router delivers in-box hardware redundancy for all hardware components and
supports software redundancy with In Service Software Upgrade (ISSU) and Non-Stop Forwarding
(NSF) support.
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Chapter
Feature Navigator
Feature Navigator
You can use Cisco Feature Navigator to find information about feature, platform, and software image
support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on
cisco.com is not required.
Software Licensing Overview
The Cisco ASR 903 Router offers the following base licenses:
•Metro Services
•Metro IP Services
•Metro Aggregation Services
The Cisco ASR 903 Router offers the following additional feature licenses:
•ATM
•IEEE 1588-2008 Boundary Clock/Master Clock
•OC-3 Port License
Note These features require a software license to use.
For more information about each software license including part numbers, see the
CiscoASR903RouterDatasheet. For instructions on how to install licenses on the
CiscoASR903Router,seetheSoftware Activation Configuration Guide, Cisco IOS XE Release 3S.
Documentation Roadmap
To view other documents for the Cisco ASR 903 Router, see the Cisco ASR 903 Router Documentation
Roadmap.
Determining the Software Version
You can use the following commands to verify your software version:
•Consolidated Package—show version
•Individual sub-packages—show version installed (lists all installed packages)
Upgrading to a New Software Release
Only Cisco IOS XE 3S consolidated packages can be downloaded from Cisco.com; users who want to
run the router using individual subpackages must first download the image from Cisco.com and extract
the individual subpackages from the consolidated package.