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Table Of Contents
Cisco ASR 9000 Series Right-To-Use (RTU) Licensing
Determining Your Software Version
Features Supported on the Cisco ASR 9000 Series Router
New Features in Cisco IOS XR Software Release 4.0.1
New Features in Cisco IOS XR Software Release 4.0.0
New Software Features Supported on all Platforms
Cisco ASR 9000 Series-Specific Software Features
Cisco ASR 9000 Series Hardware Features Introduced in Cisco IOS XR Software Release 4.0.0
Features Introduced in Cisco IOS XR Software Release 3.9.2
Features Introduced in Cisco IOS XR Software Release 3.9.1
Features Introduced in Cisco IOS XR Software Release 3.9.0
Features Introduced in Cisco IOS XR Software Release 3.7.3
Features Introduced in Cisco IOS XR Software Release 3.7.2
Open Cisco IOS XR Software Release 4.0.1 Caveats
Caveats Specific to the Cisco ASR 9000 Series Router
Resolved Cisco IOS XR Software PSIRT-Related Caveats
Upgrading Cisco IOS XR Software
Obtaining Documentation and Submitting a Service Request
Release Notes for Cisco ASR 9000 Series Aggregation Services Routers for Cisco IOS XR Software Release 4.0.1
April 22, 2013
Cisco ASR 9000 Series Router Software Release 4.0.1
Text Part Number OL-24065-03
Note
For information on Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1, see the "New Features in Cisco IOS XR Software Release 4.0.1" section.
These release notes describe the features provided on the Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1 and are updated as needed.
For a list of software caveats that apply to the Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1, see the "Caveats" section. The caveats are updated for every release and are described on the World Wide Web at www.cisco.com.
Contents
These release notes contain the following sections:
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Introduction
Cisco IOS XR software is a distributed operating system designed for continuous system operation combined with service flexibility and high performance.
Cisco IOS XR software running on the Cisco ASR 9000 Series Router provides the following features and benefits:
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For more information about new features provided on the Cisco ASR 9000 Series Router platform for Cisco IOS XR Software Release 4.0.1, see the "New Features in Cisco IOS XR Software Release 4.0.1" section in this document.
System Requirements
This section describes the system requirements for Cisco ASR 9000 Series Router Software Release 4.0.1. The system requirements include the following information:
Feature Set Table
The Cisco ASR 9000 Series Router software is packaged in feature sets (also called software images). Each feature set contains a specific set of Cisco ASR 9000 Series Router Software Release 4.0.1 features.
Table 1 lists the Cisco ASR 9000 Series Router software feature set matrix (PIE files) and associated filenames available for the Release 4.0.1 supported on the Cisco ASR 9000 Series Router.
Table 1 Cisco ASR 9000 Series Router Supported Feature Sets
(Cisco IOS XR Software Release 4.0.1 PIE Files)Cisco IOS XR IP Unicast Routing Core Bundle
asr9k-mini-p.pie-4.0.1
Contains the required core packages, including OS, Admin, Base, Forwarding, Forwarding Processor Card 40G, FPD, Routing, SNMP Agent, Diagnostic Utilities, and Alarm Correlation.
Cisco IOS XR IP Unicast Routing Core Bundle
asr9k-mini-p.vm-4.0.1
Contains the required core packages including OS, Admin, Base, Forwarding, Forwarding Processor Card 40G, FPD, Routing, SNMP Agent, Diagnostic Utilities, and Alarm Correlation.
Cisco IOS XR Manageability Package
asr9k-mgbl.pie-4.0.1
CORBA2 agent, XML3 Parser, and HTTP server packages. This PIE also contains some SNMP MIB infrastructure. Certain MIBs won't work if this PIE is not installed.
Cisco IOS XR MPLS Package
asr9k-mpls.pie-4.0.1
MPLS-TE,4 LDP,5 MPLS Forwarding, MPLS OAM,6 LMP,7 OUNI,8 RSVP,9 and Layer-3 VPN.
Cisco IOS XR Multicast Package
asr9k-mcast.pie-4.0.1
Multicast Routing Protocols (PIM, MSDP,10 IGMP,11 Auto-RP), Tools (SAP, MTrace), and Infrastructure (MRIB,12 MURIB13 , MFWD14 ), and BIDIR-PIM.15
Cisco IOS XR Security Package
asr9k-k9sec.pie-4.0.1
Cisco IOS XR Advanced Video Package
asr9k-video-p.pie-4.0.1
Firmware for the advanced video feature for Cisco ASR 9000 Series Router chassis.
Cisco IOS XR Optics Package
asr9k-optic.pie-4.0.1
Firmware for the optics feature for Cisco ASR 9000 Series Router chassis.
Cisco IOS XR Upgrade Package
asr9k-upgrade-p.pie-4.0.1
Firmware for the upgrade feature for Cisco ASR 9000 Series Router chassis.
Cisco IOS XR Documentation Package
asr9k-doc.pie-4.0.1
.man pages for Cisco IOS XR software on the Cisco ASR 9000 Series Router chassis.
1 Packages are installed individually
2 Common Object Request Broker Architecture
3 Extensible Markup Language
4 MPLS Traffic Engineering
5 Label Distribution Protocol
6 Operations, Administration, and Maintenance
7 Link Manager Protocol
8 Optical User Network Interface
9 Resource Reservation Protocol
10 Multicast Source Discovery Protocol
11 Internet Group Management Protocol
12 Multicast Routing Information Base
13 Multicast-Unicast RIB
14 Multicast forwarding
15 Bidirectional Protocol Independent Multicast
16 Secure Shell
17 Secure Socket Layer
Table 2 lists the Cisco ASR 9000 Series Router TAR files.
Memory Requirements
Caution
The minimum memory requirements for Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1 consist of the following:
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These minimum memory requirements are met with the base board design.
RSP Memory Upgrade
This section describes the process to upgrade the Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1 from a small memory model (ASR9k-RSP-4G) RSP card to a large memory model (ASR9k-RSP-8G) RSP card.
The upgrade sequence is as follows:
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RSP Memory Downgrade
This section describes the process to downgrade the Cisco ASR 9000 Series Router running Cisco IOS XR Software Release 4.0.1 from a large memory model (ASR9k-RSP-8G) RSP card to a small memory model (ASR9k-RSP-4G) RSP card.
Caution
The RSP memory downgrade sequence is as follows:
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Hardware Supported
Cisco IOS XR Software Release 4.0.1 supports Cisco ASR 9000 Series Routers. All hardware features are supported on Cisco IOS XR software, subject to the memory requirements specified in the "Memory Requirements" section.
Table 3 lists the supported hardware components on the Cisco ASR 9000 Series Router and the minimum required software versions. For more information, see the "Other Firmware Support" section.
Software Compatibility
Cisco IOS XR Software Release 4.0.1 is compatible with the following Cisco ASR 9000 Series Router systems:
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Table 4 lists the supported software licenses on the Cisco ASR 9000 Series Router and the appropriate part numbers.
Note that error messages may display if features run without the appropriate licenses installed. For example, when creating or configuring VRF, if the A9K-IVRF-LIC license is not installed before creating a VRF, the following message displays:
RP/0/RSP0/CPU0:PE1-AS1#LC/0/0/CPU0:Dec 15 17:57:53.653 : rsi_agent[247]: %LICENSE-ASR9K_LICENSE-2-INFRA_VRF_NEEDED : 5 VRF(s) are configured without license A9K-iVRF-LIC in violation of the Software Right To Use Agreement. This feature may be disabled by the system without the appropriate license. Contact Cisco to purchase the license immediately to avoid potential service interruption.For Cisco license support, please contact your Cisco Sales Representative or Customer Service at 800- 553-NETS (6387) or 408-526-4000. For questions on the program other than ordering, please send e-mail to: cwm-license@cisco.com.
Cisco ASR 9000 Series Right-To-Use (RTU) Licensing
Here are on-line locations of the Cisco ASR 9000 Series Right-To-Use (RTU) licensing docs:
http://www.cisco.com/en/US/docs/routers/asr9000/hardware/Prodlicense/A9k-AIP-LIC-B.html
http://www.cisco.com/en/US/docs/routers/asr9000/hardware/Prodlicense/A9k-AIP-LIC-E.html
Note
The activation of VRF capability requires the use of the appropriate per line card license (A9K-IVRF-LIC / A9K-AIP-LIC-B / A9K-AIP-LIC-E). Please contact your sales representative for more details.
Other Firmware Support
The Cisco ASR 9000 Series Router supports the following firmware code:
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Check the firmware needed by running the show fpd package command in admin mode.
RP/0/RSP0/CPU0:PE44_ASR-9010(admin)#show fpd packageThu Sep 09 11:27:15.963 DST===================================== ==========================================Existing Field Programmable Devices==========================================HW Current SW Upg/Location Card Type Version Type Subtype Inst Version Dng?============ ======================== ======= ==== ======= ==== =========== ====0/RSP0/CPU0 A9K-RSP-8G 1.0 lc fpga3 0 1.18 Nolc fpga1 0 1.05 Nolc fpga2 0 1.15 Nolc cbc 0 1.02 Nolc fpga4 0 3.08 Nolc hsbi 0 4.00 Nolc rommon 0 1.05 No--------------------------------------------------------------------------------0/RSP0/CPU0 ASR-9010-FAN 1.0 lc cbc 1 4.00 No--------------------------------------------------------------------------------0/RSP0/CPU0 ASR-9010-FAN 1.0 lc cbc 2 4.00 No--------------------------------------------------------------------------------0/RSP1/CPU0 A9K-RSP-4G 1.0 lc fpga3 0 1.18 Nolc fpga1 0 1.05 Nolc fpga2 0 1.15 Nolc cbc 0 1.02 Nolc fpga4 0 3.08 Nolc hsbi 0 4.00 Nolc rommon 0 1.05 No--------------------------------------------------------------------------------0/0/CPU0 A9K-40GE-E 1.0 lc fpga1 0 0.43 Nolc fpga2 0 0.10 Nolc cbc 0 2.02 Nolc cpld1 0 0.19 Nolc rommon 0 1.05 No--------------------------------------------------------------------------------0/0/CPU0 A9K-40GE-E 1.0 lc fpga1 1 0.43 No--------------------------------------------------------------------------------0/2/CPU0 A9K-8T-L 1.0 lc fpga1 0 1.00 Nolc fpga2 0 0.11 Nolc cbc 0 6.02 Nolc cpld2 0 0.08 Nolc cpld1 0 1.00 Nolc cpld3 0 0.03 Nolc cpld4 0 1.00 Nolc rommon 0 1.03 No--------------------------------------------------------------------------------0/2/CPU0 A9K-8T-L 1.0 lc fpga1 1 1.00 No--------------------------------------------------------------------------------0/5/CPU0 A9K-SIP-700 1.0 lc fpga1 0 0.22 Nolc cbc 0 3.05 Nolc rommon 0 1.03 Nolc fpga2 0 5.14 Nolc cpld1 0 0.15 No--------------------------------------------------------------------------------0/5/0 SPA-8XOC12-POS 1.0 spa fpga1 0 1.00 No--------------------------------------------------------------------------------0/5/1 SPA-2XCHOC12/DS0 1.0 spa rommon 1 2.02 Nospa fpga1 1 1.36 Nospa fpga2 1 1.00 No--------------------------------------------------------------------------------0/5/2 SPA-2XOC48POS/RPR 1.0 spa fpga1 2 1.00 No--------------------------------------------------------------------------------0/6/CPU0 A9K-8T/4-B 1.0 lc fpga1 0 0.43 Nolc fpga2 0 0.10 Nolc cbc 0 2.02 Nolc cpld2 0 0.08 Nolc cpld1 0 0.19 Nolc cpld3 0 0.03 Nolc rommon 0 1.05 Nolc fpga3 0 14.44 No--------------------------------------------------------------------------------0/6/CPU0 A9K-8T/4-B 1.0 lc fpga1 1 0.43 No--------------------------------------------------------------------------------Determining Your Software Version
To determine the version of Cisco IOS XR software running on your router, log in to the router and enter the show version command:
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RP/0/RSP0/CPU0:router#show versionFri Dec 17 11:47:52.176 PSTCisco IOS XR Software, Version 4.0.1[Default]Copyright (c) 2010 by Cisco Systems, Inc.ROM: System Bootstrap, Version 1.05(20101118:025914) [ASR9K ROMMON],AC2 uptime is 23 hours, 47 minutesSystem image file is "bootflash:disk0/asr9k-os-mbi-4.0.1/mbiasr9k-rp.vm"cisco ASR9K Series (MPC8641D) processor with 8388608K bytes of memory.MPC8641D processor at 1333MHz, Revision 2.2ASR-9010 AC Chassis4 Management Ethernet8 WANPHY controller(s)16 DWDM controller(s)16 TenGigE40 GigabitEthernet12 SONET/SDH10 Packet over SONET/SDH1 MgmtMultilink1 Serial network interface(s)219k bytes of non-volatile configuration memory.975M bytes of compact flash card.33994M bytes of hard disk.1605616k bytes of disk0: (Sector size 512 bytes).1605616k bytes of disk1: (Sector size 512 bytes).Configuration register on node 0/RSP0/CPU0 is 0x102Boot device on node 0/RSP0/CPU0 is disk0:Package active on node 0/RSP0/CPU0:asr9k-optics-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-optics-supp-4.0.1Built on Wed Dec 15 01:19:46 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-fwding, V 4.0.1[00], Cisco Systems, at disk0:asr9k-fwding-4.0.1Built on Wed Dec 15 01:12:35 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-cpp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-cpp-4.0.1Built on Wed Dec 15 01:13:27 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-scfclient, V 4.0.1[00], Cisco Systems, at disk0:asr9k-scfclient-4.0.1Built on Wed Dec 15 01:13:26 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-security, V 4.0.1[00], Cisco Systems, at disk0:iosxr-security-4.0.1Built on Wed Dec 15 01:18:59 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-video-adv, V 4.0.1[00], Cisco Systems, at disk0:iosxr-video-adv-4.0.1Built on Wed Dec 15 01:19:20 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-mpls, V 4.0.1[00], Cisco Systems, at disk0:iosxr-mpls-4.0.1Built on Wed Dec 15 01:18:03 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-mgbl, V 4.0.1[00], Cisco Systems, at disk0:iosxr-mgbl-4.0.1Built on Wed Dec 15 01:18:43 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-mcast, V 4.0.1[00], Cisco Systems, at disk0:iosxr-mcast-4.0.1Built on Wed Dec 15 01:18:21 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-routing, V 4.0.1[00], Cisco Systems, at disk0:iosxr-routing-4.0.1Built on Wed Dec 15 01:08:01 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-infra, V 4.0.1[00], Cisco Systems, at disk0:iosxr-infra-4.0.1Built on Wed Dec 15 01:03:02 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-fwding, V 4.0.1[00], Cisco Systems, at disk0:iosxr-fwding-4.0.1Built on Wed Dec 15 01:05:09 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieiosxr-diags, V 4.0.1[00], Cisco Systems, at disk0:iosxr-diags-4.0.1Built on Wed Dec 15 01:08:22 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-adv-video-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-adv-video-supp-4.0.1Built on Wed Dec 15 01:19:25 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-fpd, V 4.0.1[00], Cisco Systems, at disk0:asr9k-fpd-4.0.1Built on Wed Dec 15 01:14:10 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-diags-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-diags-supp-4.0.1Built on Wed Dec 15 01:13:24 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-k9sec-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-k9sec-supp-4.0.1Built on Wed Dec 15 01:19:07 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-mgbl-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-mgbl-supp-4.0.1Built on Wed Dec 15 01:18:54 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-mcast-supp, V 4.0.1[00], Cisco Systems, at disk0:asr9k-mcast-supp-4.0.1Built on Wed Dec 15 01:18:39 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-base, V 4.0.1[00], Cisco Systems, at disk0:asr9k-base-4.0.1Built on Wed Dec 15 01:11:56 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieasr9k-os-mbi, V 4.0.1[00], Cisco Systems, at disk0:asr9k-os-mbi-4.0.1Built on Wed Dec 15 01:11:50 PST 2010By sjc-lds-524 in /auto/srcarchive4/production/4.0.1/asr9k/workspace for pieConfiguration register on node 0/RSP1/CPU0 is 0x102
Features Supported on the Cisco ASR 9000 Series Router
The following sections describe the features supported on the Cisco ASR 9000 Series Router platform:
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New Features in Cisco IOS XR Software Release 4.0.1
The following sections contain information on new features and enhancements in Cisco IOS XR Software Release 4.0.1:
Software Features Introduced in Cisco IOS XR Software Release 4.0.1 for the Cisco ASR 9000 Series Router
The following new software features were introduced in Cisco IOS XR Software Release 4.0.1 on the Cisco ASR 9000 Series Router platform:
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The following commands are modified to support this feature:
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For more information about these commands, refer to the Cisco IOS XR Routing Command Reference documentation.
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For more information about this feature, refer to the Downstream on Demand section of the Cisco ASR 9000 Series Aggregation Services Router MPLS Configuration Guide.
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With HDLC over MPLS, the entire HDLC packet is transported. The ingress PE router removes only the HDLC flags and FCS bits.
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With PPP over MPLS, the ingress PE router removes the flags, address, control field, and the FCS bits.
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IP source address
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When you run BFD on link bundles, you can run an independent BFD session on each underlying physical interface that is part of that bundle.
When BFD is running on a link bundle member, the following layers of connectivity are effectively tested as part of the interface state monitoring for BFD:
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The BFD agent on each bundle member link monitors state changes on the link. BFD agents for sessions running on bundle member links communicate with a bundle manager. The bundle manager determines the state of member links and the overall availability of the bundle. The state of the member links contributes to the overall state of the bundle based on the threshold of minimum active links or minimum active bandwidth that is configured for that bundle.
BFD Echo Latency Detection—Beginning in Cisco IOS XR 4.0.1, you can configure BFD sessions on non-bundle interfaces to bring down a BFD session when it exceeds the configured echo latency tolerance.
BFD Echo Startup Validation—Beginning in Cisco IOS XR Release 4.0.1, you can verify that the echo packet path is working and within configured latency thresholds before starting a BFD session on non-bundle interfaces.
For more information about BFD Per Member Link, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide.
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For more information about this feature, refer to the Implementing Multiple Spanning Tree Protocol section of the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide.
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Multicast IRB provides the ability to route multicast packets between a bridge group and a routed interface using a bridge-group virtual interface (BVI).
For more information about IRB, refer to the Configuring Integrated Routing and Bridging on the Cisco ASR 9000 Series Router section of the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide.
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For more information about the traffic mirroring features, refer to the Configuring Traffic Mirroring on the Cisco ASR 9000 Series Router section of the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide.
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For more information about DAI, refer to the Dynamic ARP Inspection section of the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide.
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For more information about these commands, refer to the Cisco ASR 9000 Series Aggregation Services Router IP Addressing Command Reference.
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For more information about this feature, refer to the IP Source Guard section of the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide.
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MAC Address Security for EVC Bridge-Domain—For information about how to configure MAC Address Security, refer to the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide.
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The interface basic-counters keyword has been added to support a new entity for performance statistics collection and display on Layer 2 interfaces in the following commands:
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The performance-mgmt threshold interface basic-counters command supports the following attribute values for Layer 2 statistics, which also appear in the show performance-mgmt statistics interface basic-counters and show performance-mgmt monitor interface basic-counters command:
For information about how to configure Performance Monitoring, see the Implementing Performance Management section of the Cisco ASR 9000 Series Aggregation Services Router System Monitoring Configuration Guide.
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For more information about these commands, refer to the Video Monitoring Commands on Cisco ASR 9000 Series Router section of the Cisco ASR 9000 Series Aggregation Services Router Multicast Command Reference.
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For more information about this feature, refer to the Implementing Layer-3 Multicast Routing on Cisco ASR 9000 Series Routers section of the Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide.
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For more information, refer to the Pseudowire Load Balancing section of the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide.
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For more information, refer to the Configuring Modular QoS Service Packet Classification and Marking on Cisco ASR 9000 Series Routers section of the Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide.
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For information about how to configure scale profiles, refer to the Information About Scale Profiles section of the Cisco ASR 9000 Series Aggregation Services Router System Management Configuration Guide.
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For information about how to configure ABF, refer to the ABF section of the Cisco ASR 9000 Series Aggregation Services Router IP Addresses and Services Configuration Guide.
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router#(config-if) path-selection hop-limit <1-255>•
To obtain SNMP data from the CISCO-MLD-SNOOPING-MIB for a bridge domain, create an snmp community mapped to the bridge domain using the following commands:
router(config)#snmp-server community community-name rw systemownerrouter(config)#snmp-server community-map community-name context vpls_bridge-domain-nameFor more information about IGMP Snooping, refer to the Implementing Layer-2 Multicast with IGMP Snooping on Cisco ASR 9000 Series Routers section of the Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide.
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You can retain performance management history statistics across a process restart or route processor (RP) failover using the new history-persistent keyword option for the performance-mgmt statistics interface command.
You can save performance management statistics to a local file using the performance-mgmt resources dump local command.
You can filter performance management instances by defining a regular expression group (performance-mgmt regular-expression command), which includes multiple regular expression indices that specify strings to match. You apply a defined regular expression group to one or more statistics or threshold templates in the performance-mgmt statistics interface or performance-mgmt thresholds interface commands.
Hardware Features Introduced in Cisco IOS XR Software Release 4.0.1 for the Cisco ASR 9000 Series Router
The following hardware features introduced in Cisco IOS XR Software Release 4.0.1 are supported on the Cisco ASR 9000 Series Router platform:
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New Features in Cisco IOS XR Software Release 4.0.0
The following sections contain information on new features and enhancements in Cisco IOS XR Software Release 4.0.0:
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New Software Features Supported on all Platforms
The following new software features in Cisco IOS XR Software Release 4.0.0 are supported on all platforms:
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MPLS-TE SRLG CLI Migration Steps from pre Release 4.0 to Release 4.0
In Cisco IOS XR Software Release 4.0.0 the MPLS TE SRLG command has been moved from MPLS TE config to Global level config. Other protocols can now use the SRLG configuration.
SRLG command syntax in releases prior to Release 4.0:
mpls traffic-enginterface GigabitEthernet0/3/0/0srlg 400srlg 401srlg 402SRLG command syntax in releases prior to Release 4.0:
srlginterface GigabitEthernet0/3/0/0value 400value 401value 402Migration Steps
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config tmpls traffic-engint GigabitEthernet0/3/0/0no srlg 400no srlg 401no srlg 402commitStep 4
config t <enter>srlg <enter>interface GigabitEthernet0/3/0/0 <enter>value 400 <enter>value 401 <enter>value 402 <enter>commit–
For more information on these new MPLS features, refer to the Implementing MPLS Traffic Engineering module and the Implementing MPLS OAM module of the Cisco IOS XR MPLS Configuration Guide for the Cisco ASR 9000 Series Router, Release 4.0.
Cisco ASR 9000 Series-Specific Software Features
The following new software features were introduced in Cisco IOS XR Software Release 4.0.0 on the Cisco ASR 9000 Series Router platform:
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Only the 8-port OC-12 SPA, the 2-port OC-48 SPA and the 1-port OC-192 SPA support the MPLS/TE Fast Reroute feature. The MPLS/TE Fast Reroute feature is supported on the main interface, not on sub-interfaces. There is no support for the MPLS/TE FRR feature on the 2-port channelized OC-12 SPA or on the 1-port channelized OC 48 SPA.
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For detailed software configuration information on the shared port adapters (SPAs) and SPA interface processors (SIPs), see the following document:
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For more information on this feature, refer to the Implementing Multicast Routing on Cisco IOS XR Software module of the Cisco IOS XR Multicast Configuration Guide for the Cisco ASR 9000 Series Router, Release 4.0.
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For more information on these features, refer to the Implementing Multicast Routing on Cisco IOS XR Software module of the Cisco IOS XR Multicast Configuration Guide for the Cisco ASR 9000 Series Router, Release 4.0.
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With this feature, BGP advertises additional paths.
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Use this attribute for BGP to report the sum of the metric of each link along the path.
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For more information on these features, refer to the Cisco IOS XR Routing Configuration Guide for the Cisco ASR 9000 Series Router, Release 4.0.
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For more information on these new MPLS features, refer to the Implementing MPLS Traffic Engineering module and the Implementing MPLS OAM module of the Cisco IOS XR MPLS Configuration Guide for the Cisco ASR 9000 Series Router, Release 4.0.
Cisco ASR 9000 Series Hardware Features Introduced in Cisco IOS XR Software Release 4.0.0
The following hardware features introduced in Cisco IOS XR Software Release 4.0.0 are supported on the Cisco ASR 9000 Series Router platform:
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For detailed hardware information on the shared port adapters (SPAs) and SPA interface processors (SIPs), see the following document:
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Features Introduced in Cisco IOS XR Software Release 3.9.2
The following features introduced in Cisco IOS XR Software Release 3.9.2 are supported on the Cisco ASR 9000 Series Router platform:
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Cisco IOS XR Software Release 3.9.2 adds IPv6 as a protocol that can be passed over link bundles on the Cisco ASR 9000 Series Router platform.
This feature covers IPv6 support over Ethernet and POS bundles, including Bundle-VLANs. The features in this release that are supported on IPv6 over bundle interfaces are:
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The following features are not supported in IPv6 over Bundle:
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Limitations:
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More information about link bundling configuration and monitoring can be found in the following Command Reference Guides, Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference and Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Command Reference, online.
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Cisco IOS XR Software Release 3.9.2 introduces support on the Cisco ASR 9000 Series Router platform for packet forwarding and routing according to customer defined policies.
An access control list (ACL) consists of one or more access control entries (ACE) that collectively define the network traffic profile. This profile can then be referenced by Cisco IOS XR software features such as traffic filtering, route filtering, QoS classification, and access control. Each ACL includes an action element (permit or deny) and a filter element based on criteria such as source address, destination address, protocol, and protocol-specific parameters.
Prefix lists are used in route maps and route filtering operations and can be used as an alternative to access lists in many Border Gateway Protocol (BGP) route filtering commands. A prefix is a portion of an IP address, starting from the far left bit of the far left octet. By specifying exactly how many bits of an address belong to a prefix, you can then use prefixes to aggregate addresses and perform a function on them, such as redistribution (filter routing updates).
Hardware Limitations:
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Attaching ACL having a nexthop option in the egress direction.
Modifying an ACL attached in the egress direction having nexthop.
deny ACE with nexthop.
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Cisco IOS XR Software Release 3.9.2 introduces support on the Cisco ASR 9000 Series Router platform for the GRE tunneling protocol. GRE is a simple, generic way to transport packets of one protocol over another protocol by means of encapsulation. The GRE tunneling protocol enables:
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For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide and the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference online.
Hardware Limitations:
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The GRE feature has the following restrictions.
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Features Introduced in Cisco IOS XR Software Release 3.9.1
The following features introduced in Cisco IOS XR Software Release 3.9.1 are supported on the Cisco ASR 9000 Series Router platform:
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for Alarm Indication Signal (AIS) functionality for Connectivity Fault Management (CFM) in conformance to the ITU-T Y.1731 standard. For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for Ethernet Connectivity Fault Management (CFM) over bundled link members (BLM). For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for Ethernet Connectivity Fault Management (CFM) over link aggregation groups (LAGs). For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for EFD for CFM. Ethernet Fault Detection (EFD) is a feature of Ethernet Connectivity Fault Management (CFM) that provides line protocol fault detection for Ethernet interfaces.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for configurable tagging for CFM. For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the IEEE 802.1ah Standard for Provider Backbone Bridging (PBB). For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for MVRP-Lite (Multiple VLAN Registration Protocol Lite). For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Multicast Command Reference and the Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide online.
Note that MVRP-Lite describes does not implement the MAP or Registrar functions of the MRP specification or enact attribute registrations in the local forwarding table.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for Netflow. NetFlow is useful for the following:
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For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Netflow Command Reference and the Cisco ASR 9000 Series Aggregation Services Router Netflow Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the 6PE (IPv6 over MPLS) feature. 6PE allows IPv6 domains to communicate with each other over an MPLS IPv4 core network. Note that IPv6 over bundles is NOT supported on the Cisco ASR 9000 Series Router platform running Cisco IOS XR Software Release 3.9.1 or earlier.
Also note that when downgrading from Cisco IOS XR Software Release 4.0.1 or Release 3.9.1 to an earlier release, if a 6PE/VPE configuration is present in the system, the 6PE/VPE configuration needs to be unconfigured before initiating the downgrade.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the 16x10-Gigabit Ethernet (16 x 10 GE) SFP+ line card.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for extending the BGP-AD feature to add support for LDP signalling. BGP-AD with BGP signalling was already supported on the Cisco ASR 9000 Series Router platform. LDP signalling is tied to L2VPN services.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the SSH remote command execution feature. This feature allows an operator to execute a command on the Cisco ASR 9000 Series Router without logging into the Cisco ASR 9000 Series Router, using non-interactive SSH mode. The result of the command is sent via the established channel to the operator. The SSH client running on the operator end prints the output.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for high bandwidth flow on the Video Monitoring service introduced in Cisco IOS XR Software Release 3.9.0.
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Cisco IOS XR Software Release 3.9.1 added support on the Cisco ASR 9000 Series Router for 16K Queues per Network Processing Unit (NPU) on the 10 Gigabit Ethernet line cards.
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Cisco IOS XR Software Release 3.9.1 added support on the Cisco ASR 9000 Series Router for up to 2000 Virtual Router Redundancy Protocol (VRRP) sessions.
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Cisco IOS XR Software Release 3.9.1 added support for SONET DS3 on the Cisco ASR 9000 Series Router with SIP-700 and SPA-2XCH0C12. For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 added support for the show plugin slot counts command which displays cumulative and running counts of card inserts per slot on the Cisco ASR 9000 Series Router with the BPID-02 card. For more information on the show plugin slot counts command, refer to the Cisco ASR 9000 Series Aggregation Services Router System Management Command Reference online.
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Cisco IOS XR Software Release 3.9.1 added support for the MPLS-TE automatic bandwidth feature The MPLS-TE automatic bandwidth feature measures the traffic in a tunnel and periodically adjusts the signaled bandwidth for the tunnel.
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Cisco IOS XR Software Release 3.9.1 added support for the Multicast VPN feature. (For IPv4 address family only - MVPNv6 is not supported on the Cisco ASR 9000 Series Routers in Cisco IOS XR Software Release 4.0.1). For more information on this feature, refer to the Cisco ASR 9000 Series Aggregation Services Router Multicast Command Reference and the Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 added support for the Policy Based Forwarding and Layer 2 Protocol Tunneling features. Layer 2 Protocol Tunneling (L2PT) is a Cisco proprietary protocol for tunneling Ethernet protocol frames across Layer 2 (L2) switching domains. This includes protocol tunnelling of CDP, PVST+, STP, and VTP protocol frames. For more information on these two features, refer to the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 added support for the Multiple Spanning Tree Protocol (MSTP) over Link Aggregation Groups (LAGs) feature and the MSTP over MSTAG feature. For more information on these features, refer to the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Configuration Guide online.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the medium queue 8x10-Gigabit Ethernet line card (A9K-8T-B). Support for the high and low queue 8x10-Gigabit Ethernet line cards was introduced in Cisco IOS XR Software Release 3.9.0.
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Cisco IOS XR Software Release 3.9.1 introduced support on the Cisco ASR 9000 Series Router platform for the REP (Resilient Ethernet Protocol) Access Gateway feature.
The REP (Resilient Ethernet Protocol) Access Gateway provides the same functionality as MST-AG, (Multiple Spanning Tree Access Gateway) but where the access network is running REP rather than MST. All of the old syntax is extended to allow 'repag' where 'mstag' could be specified before:
Configuration Commands including REPAG
spanning-tree { mstag | repag } <protocol instance identifier>preempt delay { until <hh:mm:ss> |for <n> { hours | minutes | seconds } }interface <Inteface name>name <name>revision <revision>max age <secs>provider-bridgebridge-id <bridge id> [ startup-value <startup bridge id> ]port-id <port id> [ startup-value <startup port id> ]external-cost <cost> [ startup-value <startup cost> ]hello-time <secs>instance <id>vlan-id <vlan range>[,<vlan range][,<vlan range>][,<vlan range>]priority <pri> [ startup-value <startup pri> ]port-priority <pri> [ startup-value <startup pri> ]cost <cost> [ startup-value <startup cost> ]root-id <bridge id> [ startup-value <startup bridge id> ]root-priority <pri> [ startup-value <startup pri> ]Show Commands
show spanning-tree { mstag | repag } <proto-inst> [interface <intf>] [brief]show spanning-tree { mstag | repag } <proto-inst> bpdu interface <intf>Debug Command
debug spanning-tree { mstag | repag } packet { brief | full } { sent | received }Features Introduced in Cisco IOS XR Software Release 3.9.0
The following features introduced in Cisco IOS XR Software Release 3.9.0 are supported on the Cisco ASR 9000 Series Router platform:
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for up to 400 Access Node Control Protocol (ANCP) sessions and an associated 400 IP unnumbered interfaces.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for LACP running over bundle member interfaces at intervals down to 100 ms.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the A9K-8T line card, which provides an 80G line rate line card.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the A9K-2T20GE line card, which provides 2x10GE + 20xGE on a single line card.
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Cisco IOS XR Software Release 3.9.0 added support for WAN PHY and OTN(G.709) modes, which provide IPoDWM on the newly-introduced A9K-8T line card and on the newly-introduced A9K-2T20G line card.
Here is the syntax of the transport-mode command, used to choose WAN PHY or OTN(G.709) mode:
[no] transport-mode {wan | otn}RP/0/RSP0/CPU0:ROSH10(config-if)#transport-mode wanRP/0/RSP0/CPU0:ROSH10(config-if)#transport-mode otn bit-transparent {opu1e | ouu2e}There are two loopback modes available under IPoDWDM:
RP/0/RSP0/CPU0:ROSH10(config)#controller dwdm 0/2/0/0RP/0/RSP0/CPU0:ROSH10(config-dwdm)#loopback ?internal Select internal loopback modeline Select line loopback modeThere are three types of admin states: in-service, maintenance, and out-of-service. Set the admin-state to out-of-service before provisioning any command under controller dwdm mode.
RP/0/RSP0/CPU0:ROSH10(config)#controller dwdm 0/2/0/0RP/0/RSP0/CPU0:ROSH10(config-dwdm)#admin-state ?in-service change the admin-state to In-service (IS)maintenance change the admin-state to Out-of-service-Maintenance (OOS-MT)out-of-service change the admin-state to Out-of-service (OOS)Here are the show controllers commands introduced to support the three states (lan, wanphy and dwdm):
RP/0/RSP0/CPU0:ROSH10#sh controllers tenGigE 0/2/0/0 ?all Show all the informationbert Show BERT statuscontrol Show configuration and control informationinternal Show internal informationmac Show mac informationphy Show phy informationregs Show registers informationstats Show stats informationxgxs Show xgxs informationRP/0/RSP0/CPU0:ROSH10#sh controllers wanphy 0/2/0/1 ?alarms Show alarm informationall Show all informationregisters Show register informationRP/0/RSP0/CPU0:ROSH10#sh controllers dwdm 0/2/0/0 ?g709 Show G709 infolog Signal logging informationoptics Show transponder infopm show dwdm performance monitoringproactive Proactive Protection Feature Statussrlg Display Network SRLGs configured at this porttdc Show Tunable Dispersion infowavelength-map Wavelength channel number map table•
Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the following low queue line cards:
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the SIP-700, a 20G SPA Interface Processor.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the SPA-2XCHOC12/DS0, a 2-Port Channelized OC-12/DS0 SPA (Shared Port Adapter).
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router with the SIP-700 and SPA-2XCHOC12/DS0 for the following software features:
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router with the SIP-700 and SPA-2XCHOC12/DS0 for the following QoS features:
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for Y.1731 PM, which initially supports 2-way scheduled delay and delay variance measurements.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for IPFRR (IP Fast ReRoute), a set of technologies used in order to rapidly converge traffic flows around link and/or node failures. Only MLPPP encapsulation channels on the OC-12 SONET interface can be protected by IP-FRR in Cisco IOS XR Software Release 4.0.1.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the Layer 2 Multicast Limit feature, which supports IGMP Snooping based limits for both the maximum number of allowed multicast channels per subscriber and the maximum bandwidth available for multicast per subscriber.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for Local Traffic Mirroring (EFP to EFP) and also the option of appending a VLAN tag on the destination port for transport across an Ethernet network. Traffic Mirroring copies traffic from one or more Layer 2 interfaces or sub-interfaces, including Layer 2 link bundle interfaces/sub-interfaces, and sends the copied traffic to one or more destinations for analysis by a network analyzer or other monitoring device.
On a switch, unicast traffic from A to B is only forwarded to the B port. Therefore, the network analyzer does not see this traffic. When the Traffic Mirroring feature is enabled, the network analyzer is attached to a port that is configured to receive a copy of every packet that host A sends. This port is called a traffic mirroring port.
Currently, the Cisco ASR 9000 Series Router only supports Local SPAN and R-SPAN.
A maximum of 8 monitor sessions, and 800 source ports are supported.
You can configure 800 source ports on a single monitor session or configure an aggregate total of 800 source ports on up to 8 different monitor sessions.
The following SPAN types are not supported:
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Traffic is mirrored to a remote site via a GRE tunnel.
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Traffic is mirrored to a remote site via an MPLS pseudowire, instead of using a standard destination interface. (Plan to be supported in 4.0.1 release.)
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In this case, the source for the mirrored traffic is not simply a set of interfaces, but is a full bridge-domain.
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In this case, flow and ACL are applied in mirroring the traffic.
Cisco recommends not mirroring more 15% of total transit traffic. On TenGigE or bundle interfaces there is a limit of 1.5G on each ingress and egress traffic port to be mirrored.
SPAN Configurations:
To create a "monitor-session" in global config:
-monitor-session <name>
- destination interface <dst_interface>
To attach a source port in local-plane config:
-interface <src-interface> l2transport
- monitor-session <name> [direction {rx_only | tx_only]
SPAN Configuration Samples:
SPAN with Physical Interfaces (Local SPAN)
The following example shows a basic configuration for SPAN with physical interfaces. When traffic flows over the point to point cross connect between gig0/2/0/19 and gig0/2/0/11, packets received and transmitted on gig0/2/0/19 will also get mirrored to gig0/2/0/15.
monitor-session ms1destination interface gig0/2/0/15!interface gig0/2/0/11l2transport!interface gig0/2/0/15l2transport!interface gig0/2/0/19l2transportmonitor-session ms1!l2vpnxconnect group xg1p2p xg1_p1interface gig0/2/0/11interface gig0/2/0/19!!!SPAN with EFPs (R-SPAN)
The following example shows a basic configuration for SPAN with EFP interfaces. When traffic flows over the point to point cross connect between gig0/2/0/19.10 and gig0/2/0/11.10, packets received and transmitted on gig0/2/0/19.10 will also get mirrored to gig0/2/0/15.10.
monitor-session ms1destination interface gig0/2/0/15.10!interface gig0/2/0/11.10 l2transportencapsulation dot1q 10!interface gig0/2/0/15.10 l2transportencapsulation dot1q 10!interface gig0/2/0/19.10 l2transportencapsulation dot1q 10monitor-session ms1!l2vpnxconnect group xg1p2p xg1_p1interface gig0/2/0/11.10interface gig0/2/0/19.10!!!Display Commands
show monitor-session [session_name] status [detail] [error]
Shows the status of different monitor sessions.
Keywords:
session_name
detail
errors
Example output:
RP/0/RSP0/CPU0:RTP-VIKING-L2-8#show monitor-session statusFri Feb 20 14:56:04.233 UTCMonitor-session cisco-rtp1Destination interface GigabitEthernet0/5/0/38================================================================================Source Interface Dir Status--------------------- ---- ----------------------------------------------------Gi0/5/0/4 Both OperationalGi0/5/0/17 Both Operationalshow monitor-session [session_name] counters
Shows the statistics/counters (received/transmitted/dropped) of different source ports.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for the Video Monitor application, used to monitor video flows, detect quality degradation, report metrics and raise alarms.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for extending Hierarchical QoS (H-QoS) support to link aggregation bundles. Shared Policy Instances (SPI) allow for QoS policy shared across multiple sub-interfaces.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for EFP based load balancing, which provides a way to carry all the traffic of a specific EFP over a single physical member link.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for Ethernet Connectivity Fault Management (E-CFM), a subset of EOAM that provides a number of protocols and procedures that allow discovery and verification of the path through 802.1 bridges and LANs. Note that CFM 100 ms CCMs and CFM Exploratory Linktrace were introduced on the Cisco ASR 9000 Series Router with Cisco IOS XR Software Release 3.7.2.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for BGP PIC Edge for IP/MPLS, which provides sub-second convergence for IP and MPLS-VPN.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for MPLS TE path protection, which provides a backup tunnel between the MPLS/TE head-end and the tail router and added to Cisco's MPLS/TE suite of bandwidth protection features, which also include node protection and link protection.
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Cisco IOS XR Software Release 3.9.0 added support on the Cisco ASR 9000 Series Router for performing an image refresh using compact flash.
Features Introduced in Cisco IOS XR Software Release 3.7.3
The following features introduced in Cisco IOS XR Software Release 3.7.3 are supported on the Cisco ASR 9000 Series Router platform:
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Cisco IOS XR Software Release 3.7.3 added support on the Cisco ASR 9000 Series Router for multiple spanning tree access gateway (MSTAG) topology control.
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Cisco IOS XR Software Release 3.7.3 added support on the Cisco ASR 9000 Series Router for the following features added to MSTP:
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Cisco IOS XR Software Release 3.7.3 introduced EFP Egress Filtering on the Cisco ASR 9000 Series Router.
For more information on configuring the EFP Egress Filtering feature including the associated EFP Egress Filtering commands on the Cisco ASR 9000 Series router, refer to the Egress EFP Filtering on the Cisco ASR 9000 Series Router feature module.
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In prior releases the Cisco ASR 9000 Series Router acting as a bridge flooded broadcast and unknown unicast traffic to all the forwarding engines on all the line cards.
In Cisco IOS XR Software Release 3.7.2 if a pseudo wire is configured in a bridge domain all broadcast and unknown unicast traffic is flooded to all line cards in the system in order to attain fast convergence. With Cisco IOS XR Software Release 3.7.3 the flood optimization feature changes this default behavior. FGID will get programmed based on the primary paths on which the pseudo wire is going out and traffic will get flooded only to the line cards on which the pseudo wire resides. This mode is called Bandwidth Optimization mode.
But if a Fast ReRoute event occurs when fast convergence is set up it will take a longer time to complete the reroute as more hardware programming such as adding bridge ports etc. needs to be done. So for customers who are sensitive to this increased delay a command called flood mode convergence-optimized is provided in Cisco IOS XR Software Release 3.7.3. Use this flood mode convergence-optimized command to switch back to the convergence optimized mode where traffic gets flooded to all the line cards.
With this flood mode convergence-optimized command users are able to turn on/off the bandwidth optimized mode.
For more information on the flooding disable command and other Layer 2 VPLS commands on the Cisco ASR 9000 Series router, refer to the Point to Point Layer 2 Services Commands section in the Cisco ASR 9000 Series Aggregation Services Router L2VPN and Ethernet Services Command Reference here:
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In Cisco IOS XR software Release 3.7.3 as part of pseudo wire flood optimization, the Layer 3 interface list for a pseudo wire is now based on Virtual Connection labels. By using ECMP Link Bundle hashing, the Layer 3 interface list for a pseudo wire can be condensed to a single Layer 3 interface. This Layer 3 interface (slot and network protocol flood mask) is derived from the ordered array of Layer 3 interface list (masks).
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Cisco IOS XR software Release 3.7.3 added support for the Early Fast Discard command. This command was added to process all high priority packets
Command syntax:
(config)# hw-module location <loc> early-fast-discard(config-early-fast-discard)# mode [outer-encap-only | include-inner-encap](config-early-fast-discard)# vlan-cos <0-8> vlan-op [lt | ge]The defaults are 6 and ge (greater than or equal to)(config-early-fast-discard)# ip-prec <0-8> ip-op [lt | ge]The defaults are 6 and ge (greater than or equal to)(config-early-fast-discard)# mpls-exp <0-8> mpls-op [lt | ge]The defaults are 6 and ge (greater than or equal to)(config)# no hw-module location <loc> early-fast-discard•
Cisco IOS XR software Release 3.7.3 added support for the user to override the Power Management feature in order to configure extra line cards without full power supply redundancy.
This feature allows a card to be forced to power up, regardless of an unprogrammed EEPROM power draw value. As with the ROMMON variable, this feature is intended for temporary use. After the cookie value has been programmed, remove this configuration by repeating the CLI command with the ''no'' option.
Command example:
RP/0/RSP0/CPU0:ios(admin-config)# hw-mod power override location <loc>•
Starting with Cisco IOS XR software Release 3.7.3, mrouter and membership states on the Cisco ASR 9000 Series Router no longer need to be relearned after a port goes down. Once a port goes down, the IGMP Snooping feature immediately removes all group membership states from that port. Once an mrouter port goes down, the IGMP Snooping feature removes the port from the list of mrouter ports and removes that port from the flood set of all multicast routes.
New CLI:
tcn_relearning [cisco | rfc4541 | none]For more information on the IGMP Snooping feature on the Cisco ASR 9000 Series router, refer to the Implementing Layer 2 Multicast using IGMP Snooping on Cisco ASR 9000 Series Routers section in the Cisco ASR 9000 Series Aggregation Services Router Multicast Configuration Guide here:
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Cisco IOS XR software Release 3.7.3 improves the Cisco ASR 9000 Series Router VRRP & FRR failover time after a hardware module reload to less than or equal to one second.
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Layer 2 VPNs can provide pseudo wire resiliency through their routing protocols. When the connectivity between end-to-end PE routers fails, an alternative path to the directed LDP session and the user data takes over. With Cisco IOS XR software Release 3.7.3, the user can fall-back to the preferred path once it has been restored.
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RP/0/RSP0/CPU0:Green_RO(admin)#show environment power-supplyThu Jul 23 17:01:08.829 pstR/S/I Modules Sensor Watts Status0/PM0/*host PM 3000 Ok0/PM1/*host PM 3000 Ok0/PM4/*host PM 3000 Ok0/PM5/*host PM 3000 OkPower Shelves Type: ACTotal Power Capacity: 12000WUsable Power Capacity: 9000WSupply Failure Protected Capacity: 9000WFeed Failure Protected Capacity: 6000WWorst Case Power Used: 3010WSlot Max Watts---- ---------0/0/CPU0 3750/1/CPU0 3950/RSP0/CPU0 2500/RSP1/CPU0 2500/4/CPU0 3750/6/CPU0 3750/FT0/SP 495 (default)0/FT1/SP 495 (default)Worst Case Power Available: 5990WSupply Protected Capacity Available: 5990WFeed Protected Capacity Available: 2990WFeatures Introduced in Cisco IOS XR Software Release 3.7.2
The following features in Cisco IOS XR Software Release 3.7.2 are supported on the Cisco ASR 9000 Series Router platform:
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Important Notes
For Cisco IOS XR Software Release ,4.0.1 the Cisco ASR 9000 Series Router does not support the following inventory schemas:
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vkg_invmgr_adminoper.xsd–
vkg_invmgr_common.xsd–
vkg_invmgr_oper.xsd•
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The serial interfaces are displayed in the show ip interface brief command output in the order shown in the example below:
The ordering is based on:
1.
2.
3.
a.
b.
c.
d.
This may be confusing (the interfaces appear out of order) for the user who is accustomed to IOS.
Example output:
With multiple cards:
Serial0/2/0/1/1/1:0 (t3/t1)Serial0/2/0/1/2/1:0Serial0/2/0/1/3/1:0Serial0/2/0/1/4/1:0Serial0/2/0/1/5/1:0Serial0/2/0/1/6/1:0Serial0/2/0/1/7/1:0Serial0/2/0/1/8/1:0Serial0/2/0/1/9/1:0Serial0/2/0/1/10/1:0Serial0/2/0/1/11/1:0Serial0/2/0/1/12/1:0Serial0/2/0/0/1/1/1:0 (vt15)Serial0/2/0/0/2/1/1:0Serial0/2/0/0/3/1/1:0Serial0/2/0/0/4/1/1:0Serial0/2/0/0/5/1/1:0Serial0/2/0/0/6/1/1:0Serial0/2/0/0/7/1/1:0Serial0/2/0/0/8/1/1:0Serial0/2/0/0/9/1/1:0Serial0/2/0/0/10/1/1:0Serial0/2/0/0/11/1/1:0Serial0/2/0/0/12/1/1:0Multilink 0/2/0/0/1Serial0/2/1/0/1 (t3)Serial0/2/1/1/1/1:0 (t3/t1)Serial0/2/1/1/2/1:0Serial0/2/1/1/3/1:0Serial0/2/1/1/4/1:0Serial0/2/1/1/5/1:0Serial0/2/1/1/6/1:0Serial0/2/1/1/7/1:0Serial0/2/1/1/8/1:0Serial0/2/1/1/9/1:0Serial0/2/1/1/10/1:0Serial0/2/1/1/11/1:0Serial0/2/1/1/12/1:0Serial0/6/0/1/1/1:0Serial0/6/0/1/2/1:0Serial0/6/0/1/3/1:0Serial0/6/0/1/4/1:0Serial0/6/0/1/5/1:0Serial0/6/0/1/6/1:0Serial0/6/0/1/7/1:0Serial0/6/0/1/8/1:0Serial0/6/0/1/9/1:0Serial0/6/0/1/10/1:0Serial0/6/0/1/11/1:0Serial0/6/0/1/12/1:0Serial0/6/0/0/1/1/1:0Serial0/6/0/0/2/1/1:0Serial0/6/0/0/3/1/1:0Serial0/6/0/0/4/1/1:0Serial0/6/0/0/5/1/1:0Serial0/6/0/0/6/1/1:0Serial0/6/0/0/7/1/1:0Serial0/6/0/0/8/1/1:0Serial0/6/0/0/9/1/1:0Serial0/6/0/0/10/1/1:0Serial0/6/0/0/11/1/1:0Serial0/6/0/0/12/1/1:0Multilink 0/6/0/0/1Serial0/6/1/0/1Serial0/6/1/1/1/1:0Serial0/6/1/1/2/1:0Serial0/6/1/1/3/1:0Serial0/6/1/1/4/1:0Serial0/6/1/1/5/1:0Serial0/6/1/1/6/1:0Serial0/6/1/1/7/1:0Serial0/6/1/1/8/1:0Serial0/6/1/1/9/1:0Serial0/6/1/1/10/1:0Serial0/6/1/1/11/1:0Serial0/6/1/1/12/1:0•
pw-class class1 encapsulation mpls control-word
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dsu mode Command Default—For E3 interfaces on the 4-Port Clear Channel T3/E3 SPA that interoperate with E3 interfaces on a Cisco 10000 Series router, the default data service unit (DSU) mode is digital-link. To change the DSU mode to cisco, configure scrambling.
Caveats
Caveats describe unexpected behavior in Cisco IOS XR software releases. Severity-1 caveats are the most serious caveats; severity-2 caveats are less serious.
This section lists the caveats for Cisco ASR 9000 Series Router Software Release 4.0.1 and the Cisco ASR 9000 Series platform.
Open Cisco IOS XR Software Release 4.0.1 Caveats
The following open caveats apply to Cisco IOS XR Software Release and are not platform specific:
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Basic Description:
Scale enhancements in rds timeouts.
Symptom:
The following trace back is seen on the router console:
rdsfs_svr[309]: %OS-RDS-7-QUERY_PEERS_TIMED_OUT : TID=10 Couldnt cmd=262 for GID=0x7d9 CHDL=0x40000009(0x40000009) #to_resp=6 req=6 got=0 state=0x10, expstate=0x20 preq_id=15 rds_type=1 : pkg/bin/rdsfs_svr : (PID=598104) : -Traceback= 4ce44d2c 4ce4877c 4ce545dc 4ce5868c 4ce58fc0 40012db8 40000c04 40005494 40006038 4c2c0a64 4c2c2250 4c2a2298 4c2a1604 4c2a03b0 4c29f9f0 4c28f3c4Conditions:
On rare occasions, the trace back is seen on the router console under the following conditions:
1.
2.
3.
Workaround:
There is no workaround available for this issue.
Recovery:
The recovery is automatic. There is no functional impact on the node.
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Basic Description:
Show mrib route does not show proper "Flag" output for ExtranetV6
Symptom:
Flag field is incorrect in "show mrib route".
Conditions:
When you have IPv6 MVPN enabled.
Workaround:
There is no work around. It is a show command issue.
Further Problem Description:
None.
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Basic Description:
%ROUTING-BGP-3-NEGCOUNTER msgs after router reload or APS switchover
Symptom:
%ROUTING-BGP-3-NEGCOUNTER messages are seen on console.
Conditions:
The error messages were seen on performing a router reload or during APS switchover
Workaround:
None.
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Basic Description:
SONET_SDH XML does not bind to correct path for history stats
Symptom:
'PM get path data failed : Invalid argument ' message will be displayed on the console
Conditions:
This symptom is observed when querying the SONET_SDH XML schema.
Workaround:
None.
Recovery:
None.
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Basic Description:
Slow CLI response during multiple VTY connections.
Symptom:
In Cisco IOS XR software if the telnet or ssh access frequency is very high, the CLI response performance may decrease significantly. The CPU load increases to more than 90% with the top consumer processes of sysdb_svr_local, sysdb_shared_nc, and sysdb_mc. Eventually telnet and ssh access is not possible any more.
Conditions:
This issue occurs with fast consecutive and lasting telnet or ssh login attempts and multiple logins per minute over a long period of time.
Workaround:
Do not use more than three telnet or ssh login attempts per minute continuously over a lasting period of time.
Recovery:
Reduce the frequency of telnet or ssh logins.
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Basic Description:
"snmpd[1101]: t11 Failed process trap" flooding the console.
Symptom:
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Conditions:
This was seen with "logging trap debug" and "snmp-server traps syslog" configured while a high rate debugs are enabled. This is likely with the above configuration when enabling of "debug snmp trap" as it creates a feedback loop resulting in exponential growth in the rate of syslog traps.
Workaround:
Change any "logging trap debug" configuration to have syslogs of higher severity generated as traps, for example 'logging trap informational' or 'logging trap warning'. It is not recommended to use the configuration 'logging trap debug' as that causes EVERY syslog, including debugs, to be generated as SNMP traps via the CISCO-SYSLOG-MIB. This causes a trap storm.
Recovery:
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Basic Description:
Process 'cerrno_server' failed to pick up notified event within 240 second
Symptom:
Notice the following message after RPFO and standby RP reload:
RP/0/RP0/CPU0::Oct 31 03:44:20.893 : sysdb_svr_local[435]: %SYSDB-SYSDB-4-TIMEOUT_NFN : Process 'cerrno_server' (jid 152, node 0/RP0/CPU0) failed to pick up notification event within the timeout period (240 seconds)Conditions:
RPFO OR standby RP reload.
Workaround:
None.
Recovery:
Yes.
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Basic Description:
BGP NSR: stnby bgp keep restarting due to PFX mismatched after RP FO .
Symptom:
BGP sessions keep flapping on standby RP after RP fail over. The following syslog indicates this issue:
bgp[1044]: %ROUTING-BGP-3-INITSYNC_FAILED : Nbr: 194.13.122.2 VRF: default AFI: IPv4 Unicast Pfx received: 155420 expected: 1 - will retry once moreConditions:
This issue can occur if the following conditions are met:
1.
2.
3.
Workaround:
Identify the neighbor for which the prefix-mismatch is seen. First, try a soft clear for the neighbor. It may necessary to try a hard reset if the soft clear does not clear the problem.
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Basic Description:
BGP IAS functionality now requires explicit next-hop-self config.
Symptom:
BGP IAS functionality has changed since Cisco IOS XR Release 3.9.x.
Conditions:
End-to-end connectivity for IAS failed due to the removal of implicit next-hop-self configuration.
Workaround:
Explicitly configure next-hop-self.
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Basic Description:
IPv6 BGP session flapping due to RX path issue.
Symptom:
Few IPv6 BGP sessions configured with <= (15/45) timer might flap during RP FO when configured with NSR.
Conditions:
This issue might occur if the following conditions are met:
1.
2.
3.
Workaround:
No workaround required. Those sessions come up.
Recovery:
Recovery occurs automatically.
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Basic Description:
Not able to modify RPL and delete prefix-set in a single commit.
Symptom:
When a policy that is attached directly or indirectly to an attach point needs to be modified, a single commit operation cannot be performed when:
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Workaround:
The commit must be performed in two steps:
1.
2.
Caveats Specific to the Cisco ASR 9000 Series Router
The following caveats are specific to the Cisco ASR 9000 Series platform:
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Basic Description:
After OIR, OC-192 SPA fails to come up, its in disabled state.
Symptom:
Sometimes a SPA might fail to come up after insertion and is kept in DISABLED state. A message is logged indicating "PLATFORM-SPAQFPBridgeCtrl-1-SPI_BUSx_ERROR" for this slot/bay, and the SPA is "DISABLED". The show platform CLI shows the SPA in "DISABLED" state.
Conditions:
SPA is physically removed and then reinserted within 15 seconds after removal.
Recovery:
Remove the SPA. Examine the SIP bay connector pins and the SPA connector pins for any damage. If there is no damage, reinsert the SPA. If the SPA fails to come up again, call tech support.
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Basic Description:
PIM snooping reopt times for multicast traffic at 10 seconds.
Symptom:
When mrouter forwarding disable feature is configured under IGMP snooping profiles, multicast traffic upon any Layer 2 access ring failures (topology changes) results in greater than one second loss of traffic.
Conditions:
This behavior is observed when BVI interfaces bridging the layer two access ring with the Layer 3 multicast topology is configured. The Layer 2 access ring is serviced by a bridge-domain with IGMP snooping and mrouter forwarding disabled. The NPE routers are connected via a pseudowire within the same bridge-domain.
Workaround:
None.
Recovery:
Multicast traffic would automatically be restored when convergence is over.
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Basic Description:
pifibm_server_lc TB due to eot msg send failed No space left on device.
Symptom:
Error message showing on console "[cpp_lpts_cgm_notif_handler:402] eot msg send failed No space left on device" with traceback.
Conditions:
This issue occurs when the number of IPv6 VRFs with ebgp configuration. In this test case with a total of about 150 IPv6 ebgp sessions, the 103th ebgp caused the problem. The problem is caused by v6 compression. LPTS uses classification (cgm/cfm), and cfm uses v6 compressions. When adding up the IPv6 addresses to the v6 compression table, in some special combination of IPv6 addresses, the v6 compression failed.
Workaround:
When the problem happens, the IPv6 address fails the CPP classification v6 compress function. With the newly added syslog to Cisco IOS XR Release 4.0.1, the IPv6 address which failed the v6 compress is logged. The workaround, which is suitable for this particular pattern of IPv6 addresses is as follows:
1.
ipv6 access-list workaround permit ipv6 200::1:1:200:2/128 any
(200::1:1:200:2 is the failed compressed address in log).
2.
3.
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Basic Description:
Set qos-grp/discard-class/exp-imp not working for L2->BVI(L3) path.
Symptom:
For packets forwarded from L2->BVI (L3) path if the policy attached to the L2 interface has "set action" on qos-group/discard-class/exp-imposition, they are not effective. Similarly for packets forwarded from L3 (ingress)-L3(BVI)>L2 path if the policy on L3 ingress interface has "set action" for qos-group/discard-class they are not effective as well. This results in not having a mechanism to implement Diffserve tunnel models (uniform/pipe/short-pipe) for BVI traffic. For such traffic the qos-group/discard-class are set to 0. Default Exp is based on DSCP of the packet and cannot be changed by using "set exp-imposition" from QOS policymap. However, for L2->L2 path or L3->L3 regular paths without any BVI interaction, these markings (qos-group/discard-class/exp-imposition) work as expected.
Conditions:
This issue affects BVI routed traffic, where you want to influence the exp-imposition/qos-group/discard-class using an ingress policymap on the L2 or L3 interface.
Workaround:
There are no workarounds for set-actions for qos-group/discard-class for BVI traffic. For L2->BVI path, DSCP of the packet could be modified using an ingress policy, which would set exp based on the modified DSCP.
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Basic Description:
Trap and Clone MIB has invalid OIDs.
Symptom:
Top-level (root) OID (14001) for the MIB used in the implementation is incorrect. The correct OID is 765. Query to any Trap and Clone MIB objects with the correct OID return no data.
Conditions:
None.
Workaround:
Presently we can access (retrieve/set) Trap and Clone MIB data using these invalid OIDs.
Please contact your Cisco representative for more information about the workaround.
Resolved Cisco IOS XR Software PSIRT-Related Caveats
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Basic Description:
BGP flaps due to unknown attribute
Symptom:
Cisco IOS XR Software contains a vulnerability in the Border Gateway Protocol (BGP) feature. The vulnerability manifests itself when a BGP peer announces a prefix with a specific, valid but unrecognized transitive attribute. On receipt of this prefix, the Cisco IOS XR device will corrupt the attribute before sending it to the neighboring devices. Neighboring devices that receive this corrupted update may reset the BGP peering session.
Conditions:
Affected devices running Cisco IOS XR Software corrupt the unrecognized attribute before sending to neighboring devices, but neighboring devices may be running operating systems other than Cisco IOS XR Software and may still reset the BGP peering session after receiving the corrupted update. This is per standards defining the operation of BGP.
Workaround:
No workaround. Cisco developed a fix that addresses this vulnerability and will be releasing free software maintenance upgrades (SMUs) progressively starting 28 August 2010.
A Security Advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20100827-bgp.shtml
Upgrading Cisco IOS XR Software
Cisco IOS XR software is installed and activated from modular packages, allowing specific features or software patches to be installed, upgraded, or downgraded without affecting unrelated processes. Software packages can be upgraded or downgraded on all supported card types, or on a single card (node).
Software packages are installed from package installation envelope (PIE) files that contain one or more software components. Refer to Table 1 for a list of the Cisco ASR 9000 Series Router software feature set matrix (PIE files) and associated filenames available for the Cisco IOS XR Software Release 4.0.1 supported on the Cisco ASR 9000 Series Router.
The following URL contains links to information about how to upgrade Cisco IOS XR software:
http://www.cisco.com/web/Cisco_IOS_XR_Software/index.html
Troubleshooting
For information on troubleshooting Cisco IOS XR software, see the Cisco ASR 9000 Series Aggregation Services Routers Getting Started Guide and the Cisco ASR 9000 Series Router Troubleshooting Feature Module.
Resolving Upgrade File Issues
Note
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RP/0/RSP0/CPU0:PE44_ASR-9010# run nvgen -F 1b.
RP/0/RSP0/CPU0:PE44_ASR-9010# configRP/0/RSP0/CPU0:PE44_ASR-9010(config)# hostname <hostname>RP/0/RSP0/CPU0:PE44_ASR-9010(config)# commitRP/0/RSP0/CPU0:PE44_ASR-9010(config)# endc.
RP/0/RSP0/CPU0:PE44_ASR-9010# reloadUpdating Commit Database. Please wait...[OK]Proceed with reload? [confirm]d.
In some cases other activity may preclude a reload. The following message may display:
RP/0/RSP0/CPU0:PE44_ASR-9010# reloadPreparing system for backup. This may take a few minutes ............System configuration backup in progress [Retry later]If you receive this message wait and then retry the command after some time.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see What's New in Cisco Product Documentation at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html.
Subscribe to What's New in Cisco Product Documentation, which lists all new and revised Cisco technical documentation, as an RSS feed and deliver content directly to your desktop using a reader application. The RSS feeds are a free service.
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