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Table Of Contents
Release Notes for Cisco Network Analysis Module Software, 4.0
Support for Cisco NAM 2200 Series Appliances
Intelligent Application Performance
Enhanced Voice Quality Analytics
Support for .pcap Format Capture Export
Platform Hardware Requirements
Using NME-NAMs with Cisco Integrated Services Routers
Platform Software Requirements
NAM and IOS Software Requirements for Virtual Switch System
Catalyst 6500 NAM-1 and NAM-2 Memory Recommendation
Catalyst 6500 and Cisco 7600 NAM-1 and NAM-2 Maintenance Image and BIOS Requirements
Viewing Software Version Information
Upgrading the NAM Maintenance Image Software
Upgrading Catalyst 6500 and Cisco 7600 NAM-1 and NAM-2 BIOS Image
NAM Support For Non-Cisco H.323 Voice Devices and Call Managers
Direct Flow Packets to NAM Data Port
Intelligent Application Performance and Voice Quality Analytics
Intelligent Application Performance
Analyzing Direct RTP Streams and Voice Traffic
Checking the NAM Maintenance Image and BIOS Versions
NAM Appliance Support for Cisco Nexus 7000
Restrictions for NM-NAM and NME-NAMs
IOS Image Incompatibility Prevents Creating SPAN Data Sources Using NAM GUI
Cisco 7600 With Redundant Supervisor Cards Running IOS Image 12.2(33)SRC2
Running IOS Image Newer Than 12.2(18)SXF5
RSPAN and ERSPAN Unsupported in IOS Image 12.2(33)SRD
Wrong Egress Interface Found in 12.4(20)T and 12.4(22)T
Cisco NAM 4.0 Software Documentation
Release Notes for the Cisco Network Analysis Module, Release 4.0
User Guide for the Cisco Network Analysis Module Traffic Analyzer, Release 4.0
Cisco NAM Command Reference, Release 4.0
Cisco Branch Routers Series NAM Installation and Configuration Note, Release 4.0
Copyright Notices for the Cisco Network Analysis Module, Release 4.0
Cisco NAM 2200 Series Appliance Documentation
Quick Start and Documentation Guide for the Cisco NAM 2200 Series Appliance
Installation and Configuration Guide for the Cisco NAM 2220 Appliance
Installation and Configuration Guide for the Cisco NAM 2204 Appliance
Regulatory Compliance and Safety Information for the Cisco NAM 2200 Series Appliances
Obtaining Documentation and Submitting a Service Request
Release Notes for Cisco Network Analysis Module Software, 4.0
Revised: October 29, 2009, OL-14960-06Original Cisco.com Date: December 2008These release notes provide general information about Cisco Network Analysis Module (NAM) software release 4.0 including system requirements, limitations and restrictions, new features, product documentation, and known and resolved anomalies.
NAM 4.0 software enables network managers to understand, manage, and improve how applications and services are delivered to end-users.
NAM 4.0 offers flow-based traffic analysis of applications, hosts, and conversations, performance-based measurements on application, server, and network latency, quality of experience metrics for network-based services such as voice over IP (VoIP) and video, and problem analysis using deep, insightful packet captures.
The Cisco NAM includes an embedded, web-based Traffic Analyzer GUI that provides quick access to the configuration menus and presents easy-to-read performance reports on voice, video, and TCP-based traffic.
This version of the release notes adds information about the Cisco NAM 2200 Series appliances. The Cisco NAM 2200 Series appliances, an extension of the Cisco NAM blades, offer next-generation performance, superior scalability, and maximum deployment flexibility to deliver performance monitoring throughout your Cisco network. The Cisco NAM 2200 Series appliances include the Cisco NAM 2220 and Cisco NAM 2204 appliances.
Software Product Numbers
SC-SVC-NAM-4.0
(Cisco Catalyst 6500 Series and Cisco 7600 Series Network Analysis Module Software 4.0)
NME-NAM-SW-4.0
(Cisco Branch Routers Series Network Analysis Module Software 4.0)
NAM 4.0 is a complete software release, not a patch, and includes all functionality from NAM 3.5 and NAM 3.6 including all patches.
NAM 4.0 software supports upgrade paths from the NAM 3.5 and NAM 3.6 releases. For information about upgrading earlier releases of NAM software, see Upgrading NAM Software.
NAM 4.0 is available as part of new hardware orders or by download from Cisco.com for the following NAM models:
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NAM2204-RJ45
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NAM 4.0 is available for NM-NAM devices only by download from Cisco.com.
Throughout this document the following general references apply:
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Contents
This document includes the following sections:
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New Features in NAM 4.0
This section describes the following new features and improvements in NAM 4.0:
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Support for Cisco NAM 2200 Series Appliances
NAM 4.0 software provides support for the Cisco NAM 2200 Series appliances:
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The Cisco NAM 2200 Series appliances have been tested with Catalyst 4500 Series switches, Catalyst 6500 Series switches, Cisco 7600 Series routers, and Cisco Nexus 7000 Series switches.
The Cisco NAM 2204-RJ45 appliance supports Catalyst 4500 Series Switches except for the Monitor > Managed Device > Health window.
The Cisco NAM 2200 Series appliances provide support for Cisco Nexus 7000. See NAM Appliance Support for Cisco Nexus 7000 for more information.
Intelligent Application Performance
The NAM 4.0 Intelligent Application Performance (IAP) feature helps you gain a better understanding of your applications' performance and enables you to do the following:
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The IAP feature helps you see how well the network is delivering services to the end user, providing an overall view of what is happening on the network. It monitors the TCP application packets as they travel from the client through the network to the data center and out again, measuring network round trip time, client response time, and server response time.
NAM 4.0 calculates additional metrics to help you ensure the efficient and effective delivery of applications and services in your network. The following lists some of the new metrics:
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Enhanced Voice Quality Analytics
The enhanced voice quality analytics enable you to quickly identify and troubleshoot voice performance degradation issues and includes the following:
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WAAS Support
NAM 4.0 provides support for wide-area application services (WAAS) and enables you to measure the application response time and bandwidth improvements WAAS delivers and to view the application delivery improvements at the client-side, the WAN-side, and the server-side. Reports include:
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Support for .pcap Format Capture Export
NAM 4.0 now enables you to export capture files in .pcap format. This enables you to use the capture files with third-party tools.
More Automatic Captures
NAM 4.0 enables you to configure more than one capture that automatically starts and stops when pre-configured thresholds are exceeded. For example, you can configure one capture to begin gathering data when bandwidth utilization of a particular application exceeds a certain level and start a second capture when response time of a particular server exceeds a pre-defined threshold.
System Requirements
This section describes the hardware, software, and browser requirements for NAM 4.0 software:
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Platform Hardware Requirements
Table 1 identifies the hardware modules and platforms required to use NAM 4.0.
Table 1 NAM Hardware Compatibility
WS-SVC-NAM-1
WS-SVC-NAM-1-250S
WS-SVC-NAM-2
WS-SVC-NAM-2-250SSUP720
SUP720
SUP32
RSP720-1G
SUP720-10G
RSP720-10G•
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NME-NAM-120S
NME-NAM-80Sn/a
n/a
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NM-NAM
n/a
n/a
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1 See Table 3, Minimum Cisco Catalyst 6500 and Cisco 7600 Series IOS and CatOS Versions Required for NAM 4.0, for information about support for various Supervisor cards.
Using NME-NAMs with Cisco Integrated Services Routers
This section describes the requirements to use NME-NAMs with Cisco Integrated Services Router (ISR) and ISR Generation Two (G2) Platforms.
You can deploy the NME-NAM-120S and NME-NAM-80S in any network module slot in the Cisco router platforms indicated in Table 2. A Network Module (NM) Adapter Card, SM-NM-ADPTR, is required to successfully integrate the NME-NAM into supported ISR G2 platforms. The NME-NAM supports the router platforms using NAM 3.6 or later. See Table 4, Minimum Cisco ISR and ISR G2 IOS Versions Required for NAM 4.0, for the minimum IOS software requirements to support NME-NAM. Only one Cisco NAM 4.0 can be installed in a Cisco branch router.
To install an NME-NAM-120S network module in supported ISR G2 platforms using the NM Adapter Card, see Installing Cisco Network Modules and Service Modules, section "Using Network Modules in Service Module Slots on Cisco 2900 Series and Cisco 3900 Series Routers":
Platform Software Requirements
Table 3, Minimum Cisco Catalyst 6500 and Cisco 7600 Series IOS and CatOS Versions Required for NAM 4.0, lists the minimum IOS requirements for NAM 4.0.
Table 4 lists the Minimum Cisco ISR and ISR G2 IOS Versions Required for NAM 4.0 on both the NME-NAM-120S and the NME-NAM-80S.
The minimum Cisco ISR IOS version required for NAM 4.0 on NM-NAM is Cisco IOS Software 12.3(7)T or Cisco IOS Software 12.4(1).
NAM and IOS Software Requirements for Virtual Switch System
Table 5 lists the NAM and IOS software requirements for NAM blades used in a Cisco Virtual Switch System (VSS) environment.
Catalyst 6500 NAM-1 and NAM-2 Memory Recommendation
To optimize the performance of NAM software, particularly of NAM 4.x releases given new features that can have large table sizes, Cisco offers a field-installable memory upgrade kit that can be purchased for WS-SVC-NAM-1 and WS-SVC-NAM-2 devices. The memory upgrade kit comes with 2GB of DRAM. Its part number is MEM-C6KNAM-2GB=.
Cisco has characterized that the memory upgrade can increase the number of hosts and conversations that can be monitored by up to a factor of two (the improvement can vary depending on packet sizes monitored, burstiness of traffic, NAM features enabled, switch/router features enabled, and so on). The memory upgrade not only can improve the number of hosts and conversations monitored, but also, as a result of the foregoing, can increase the number of concurrent flows that can be monitored. This can result in improved NAM performance when the NAM is deployed in places in the network where it can see a large number of concurrent flows.
You can find information about how to upgrade your memory in the document NAM Memory Upgrade Install Note at the following URL:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/hardware/Config_Notes/
78_18630.htmlNo memory upgrade kit is offered for the WS-SVC-NAM-1-250S and WS-SVC-NAM-2-250S, which already ship from factory with 2GB DRAM.
Browser Requirements
Table 6 describes the browser requirements for all platforms. We recommend you use the Internet Explorer browser, but Firefox is also supported.
Table 6 Browser Requirements
Internet Explorer
6.0 (with Service Pack 2)
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Firefox
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1 A Java plug-in might be required to use the Java Virtual Machine (JVM).
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Catalyst 6500 and Cisco 7600 NAM-1 and NAM-2 Maintenance Image and BIOS Requirements
Note
Table 7 lists the minimum versions of NAM maintenance image, the maintenance image filename, and the BIOS image required for NAM-1 and NAM-2 when using NAM application image 4.0(1).
Table 7 NAM Maintenance Images
(minimum)
VersionWS-SVC-NAM-1
2.1(3)
c6svc-nam-maint.2-1-3.bin.gz
4.0-Rel 6.0.9 or later
WS-SVC-NAM-2
Before upgrading WS-SVC-NAM-1 or WS-SVC-NAM-2 from NAM 3.6 release to NAM 4.0, the BIOS image in the NAM must be checked to determine whether it is running version 6.0.9 or later. If it is, NAM 3.6 can be upgraded to NAM 4.0 without upgrading the BIOS image. If it is not, the BIOS image must be upgraded. If the BIOS is not upgraded before installing NAM 4.0, NAM 4.0 will cause the NAM to lock up.
The BIOS image is bundled with the NAM's maintenance image. The maintenance image must first be upgraded and then the BIOS image. The new BIOS will take effect only after the NAM is rebooted following the maintenance image and BIOS image upgrades.
The Upgrading NAM Software section of these Release Notes provides information on:
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Upgrading NAM Software
This section provides the following topics:
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Supported Upgrades
NAM 4.0 supports upgrades from the NAM 3.5 and NAM 3.6 software releases (with any patches) on the following NAM devices:
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NAM 4.0 does not support upgrades from NAM 3.4 or below. However you can reinstall NAM 4.0. See the next section, Reinstalling NAM Software.
Reinstalling NAM Software
Although you cannot upgrade from a version prior to NAM 3.4, you can do a re-install instead using the upgrade command and the --install option. See the Catalyst 6500 Series Switch and Cisco 7600 Series Router Network Analysis Module Installation and Configuration Note at the following URL for more information:
When you re-install software with NAM 4.0, you will lose your previous configuration; however, and you will have to use the NAM GUI to restore your configuration.
Before You Begin
Before you begin the upgrade process, we recommend that you perform a complete backup of your current NAM configuration. Doing so will record your current configuration which will be helpful if you have difficulties duplicating your previous configuration after the software upgrade.
To back up your current configuration, from the NAM command line, enter a config upload command like the following:
config upload ftp://server/path
The config upload command sends a copy of the NAM running configuration to the destination you specify. The information is stored in a back-up configuration file with an ending suffix of .config as in NAM_host-c6svc-nam-3.6.1b.config. The destination address should be a valid server name and directory path.
NAM 4.0 has a new architecture that will cause you to lose some of the configuration you have currently set in your NAM. When you upgrade from NAM 3.6 or NAM 3.5 to NAM 4.0, due to the new architecture, the settings for alarms, reports, and capture files will not be upgraded to NAM 4.0. We highly recommend that you record these configurations in a final database backup so you maintain an archive of your final configuration before your software upgrade using the config upload command.
Table 8 provides information about configurations you might have issues with following your upgrade.
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Table 8 Configurations in Jeopardy After Software Upgrade to NAM 4.0
Configuration is not carried over in NAM 4.0. See Alarm Settings for more information.
Capture File Settings are carried over in NAM 4.0, but you will lose active captures that are configured as Capture to Buffer. To save current data, click Save to File or the current data will be lost. See Capture File Settings for more information.
Report configuration is carried over in NAM 4.0, and all reports will work properly except for those configured to gather data about the ALL SPAN data source on NAM-1 and NAM-1-250S devices. This data source is renamed DATA PORT in NAM 4.0.
Settings for voice monitoring and RTP stream monitoring will be disabled when NAM is upgraded to NAM 4.0. See Voice and RTP Monitoring for more information.
Configuration is set to default values and will need to be reconfigured using the NAM GUI. See Application Response Time for more information.
Alarm Settings
Due to changes in the NAM configuration file, alarms settings will not be carried over during the NAM 4.0 software upgrade. When you have completed the upgrade, go to the Setup > Alarms window and configure your desired alarm settings. We recommend that you record your settings for alarms before you begin the software upgrade to NAM 4.0.
Capture File Settings
Capture files will be retained after you upgrade to NAM 4.0, but you will lose active data still in memory for those captures configured as Save to Buffer.
Click Save to File to save current capture data in a file on disk.
Reports
Reports you have configured in NAM 3.6 will be carried over after you upgrade to NAM 4.0 and all reports will work properly except for those configured for the ALL SPAN data source on NAM-1 and NAM-1-250S devices. This data source is renamed in NAM 4.0 as the DATA PORT data source. After you upgrade to NAM 4.0, you need to recreate any reports set up for the ALL SPAN data source to use the DATA PORT data source instead.
Voice and RTP Monitoring
Settings for voice monitoring and RTP stream monitoring will be disabled when NAM is upgraded to NAM 4.0 due to architectural changes. We recommend that you record your settings for voice monitoring and RTP monitoring before you begin the software upgrade to NAM 4.0.
Application Response Time
The configuration you set up for application response time (ART) at the Setup > Response Time > Configuration window will be set to the default values after you complete the software upgrade to NAM 4.0. Use the information in the configuration file to reconfigure these settings.
Upgrading NAM Software
If you are upgrading a NAM-1 or a NAM-2 module, follow the software upgrade procedures described in the chapter Administering the Network Analysis Module in the following documents:
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If you are upgrading an NME-NAM, follow the software upgrade procedures described in the section Upgrading the NAM Software-Full Image of the Cisco Branch Router Series (NME-NAM) Installation and Configuration Note.
If you are upgrading an NM-NAM, follow the software upgrade procedures described in the section Upgrading the NAM Software-Full Image of the NM-NAM Feature Guide.
http://www.cisco.com/en/US/docs/ios/12_3/12_3x/12_3xd/feature/guide/
nm_nam.html#wp1046561
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NAM 4.0 using NAM CLI command patch.
Viewing Software Version Information
To display the NAM version information, use the show version command. The following is an example of the show version command and the information it returns:
Root@localhost# show versionNAM application image version: 4.0(1)Maintenance image version: 2.1(5)BIOS Version: 4.0-Rel 6.0.9PID: WS-SVC-NAM-1-250SMemory size: 2048MBDisk size: 250GBInstalled patches:No patches are installed on this system.Root@localhost#For more detailed information about the show version command, see the Network Analysis Module Command Reference Guide, 4.0 at the following URL:
Upgrading the NAM Maintenance Image Software
To upgrade the NAM maintenance image software, follow these steps.
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Step 1
You can download the latest version of the NAM maintenance image from the following URL:
http://www.cisco.com/pcgi-bin/tablebuild.pl/ws-svc-nam
The most recent NAM maintenance image software available to download is 2.1(5), and its filename is c6svc-nam-maint.2-1-5.bin.gz.
Step 2
Step 3
Router# hw-module module 9 reset hdd:1Device BOOT variable for reset = hdd:1Warning:Device list is not verified.Proceed with reload of module? [confirm]% reset issued for module 9Router#00:31:11:%SNMP-5-MODULETRAP:Module 9 [Down] Trap00:31:11:SP:The PC in slot 9 is shutting down. Please wait ...00:31:25:SP:PC shutdown completed for module 900:31:25:%C6KPWR-SP-4-DISABLED:power to module in slot 9 set off (adminrequest)00:31:28:SP:Resetting module 9 ...00:31:28:%C6KPWR-SP-4-ENABLED:power to module in slot 9 set on00:33:26:%SNMP-5-MODULETRAP:Module 9 [Up] Trap00:33:26:%DIAG-SP-6-BYPASS:Module 9:Online Diagnostics is Bypassed00:33:26:%OIR-SP-6-INSCARD:Card inserted in slot 9, interfaces are nowonlineStep 4
Step 5
root@localhost# upgrade ftp-urlwhere ftp-url is the FTP location and name of the NAM software image file.
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Step 6
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Step 8
Router# hw-module module 9 reset cf:1Device BOOT variable for reset = cf:1Warning:Device list is not verified.Proceed with reload of module? [confirm]% reset issued for module 9Router#00:16:06:%SNMP-5-MODULETRAP:Module 9 [Down] Trap00:16:06:SP:The PC in slot 9 is shutting down. Please wait ...00:16:21:SP:PC shutdown completed for module 900:16:21:%C6KPWR-SP-4-DISABLED:power to module in slot 9 set off (admin request)00:16:24:SP:Resetting module 9 ...00:16:24:%C6KPWR-SP-4-ENABLED:power to module in slot 9 set on00:18:21:%SNMP-5-MODULETRAP:Module 9 [Up] Trap00:18:21:%DIAG-SP-6-BYPASS:Module 9:Online Diagnostics is Bypassed00:18:21:%OIR-SP-6-INSCARD:Card inserted in slot 9, interfaces are now onlineRouter#Step 9
root@localhost# show ipStep 10
Router# hw-module module 9 resetThis example shows how to upgrade the NAM maintenance image software:
Router#Router# hw-module module 9 reset hdd:1Device BOOT variable for reset = hdd:1Warning:Device list is not verified.Proceed with reload of module? [confirm]% reset issued for module 9Router#00:31:11:%SNMP-5-MODULETRAP:Module 9 [Down] Trap00:31:11:SP:The PC in slot 9 is shutting down. Please wait ...00:31:25:SP:PC shutdown completed for module 900:31:25:%C6KPWR-SP-4-DISABLED:power to module in slot 9 set off (adminrequest)00:31:28:SP:Resetting module 9 ...00:31:28:%C6KPWR-SP-4-ENABLED:power to module in slot 9 set on00:33:26:%SNMP-5-MODULETRAP:Module 9 [Up] Trap00:33:26:%DIAG-SP-6-BYPASS:Module 9:Online Diagnostics is Bypassed00:33:26:%OIR-SP-6-INSCARD:Card inserted in slot 9, interfaces are nowonlineRouter#Router# session slot 9 proc 1The default escape character is Ctrl-^, then x.You can also type 'exit' at the remote prompt to end the sessionTrying 127.0.0.91 ... OpenCisco Network Analysis Module (WS-SVC-NAM-2)login:rootPassword:Cisco Network Analysis Module (WS-SVC-NAM-2) Console, 4.0Copyright (c) 2008 by cisco Systems, Inc.WARNING! Default password has not been changed!root@localhost.cisco.com#root@localhost.cisco.com# upgrade ftp://host/pub/c6svc-nam-maint.2-1-5.bin.gzDownloading image...ftp://host/pub/c6svc-nam-maint.2-1-5.bin.gz (11065K)- [########################] 11065K | 837.65K/s11331153 bytes transferred in 13.21 sec (837.64k/sec)Uncompressing the image...Verifying the image...Applying the Maintenance image.This may take several minutes...Upgrade of Maintenance image completed successfully.root@hostname.cisco.com# exitRouter# hw-module module 9 reset cf:1Device BOOT variable for reset = cf:1Warning:Device list is not verified.Proceed with reload of module? [confirm]% reset issued for module 9Router#02:27:19:%SNMP-5-MODULETRAP:Module 9 [Down] Trap02:27:19:SP:The PC in slot 9 is shutting down. Please wait ...02:27:36:SP:PC shutdown completed for module 902:27:36:%C6KPWR-SP-4-DISABLED:power to module in slot 9 set off (adminrequest)02:27:39:SP:Resetting module 9 ...02:27:39:%C6KPWR-SP-4-ENABLED:power to module in slot 9 set on02:29:37:%SNMP-5-MODULETRAP:Module 9 [Up] Trap02:29:37:%DIAG-SP-6-BYPASS:Module 9:Online Diagnostics is Bypassed02:29:37:%OIR-SP-6-INSCARD:Card inserted in slot 9, interfaces are nowonlineRouter#Upgrading Catalyst 6500 and Cisco 7600 NAM-1 and NAM-2 BIOS Image
Note
Note
The NAM maintenance image software also provides upgrade software for your BIOS. If the show version command indicates a BIOS version below 4.0-Rel 6.0.9, see one of the following sections for information about how to perform a BIOS upgrade:
Using IOS Commands
Step 1
hw-module module <module-number> reset cf:1
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session slot <module-number> processor 1
Step 3
Step 4
enable-guest
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Step 5
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The default password for the guest account is cisco.
Warning
A message such as BIOS programming complete displays when the procedure is finished, usually in less than two minutes.
Step 7
upgrade-bios
Step 8
B01MQ009.ROM
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The following output shows an example of this procedure:
---------------------------------------------------------guest@nam-test.cisco.com#upgrade-biosEnter filename of BIOS file to be programmed: B01MQ009.ROMWrite BIOS File B01MQ009.ROM to FlashWARNING: Removing or powering down this module during BIOS programming may resul t in the module unable to come online!Erasing old BIOS...Programming new BIOS...DONEVerifying new BIOS...DONEBIOS programming completeguest@nam-test.cisco.com#---------------------------------------------------------Step 9
hw-module module <module-number> reset hdd:1
Step 10
show version
The output of the show version command should look something like the following:
BIOS Version: 4.0-Rel 6.0.9This show version command output indicates that the most recent BIOS version (4.0-Rel 6.0.9) is installed.
You can now reboot the NAM Application image and resume normal NAM operation.
Using CatOS Commands
This version updates the BIOS using CatOS commands.
Step 1
reset <module-number> cf:1
Step 2
session <module-number>
Step 3
Step 4
enable-guest
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Step 5
Step 6
The default password for the guest account is cisco.
Warning
A message such as BIOS programming complete displays when the procedure is finished, usually in less than two minutes.
Step 7
upgrade-bios
Step 8
B01MQ009.ROM
Note
The following shows an example of the BIOS upgrade output:
---------------------------------------------------------guest@nam-test.cisco.com#upgrade-biosEnter filename of BIOS file to be programmed: B01MQ009.ROMWrite BIOS File B01MQ009.ROM to FlashWARNING: Removing or powering down this module during BIOS programming may resul t in the module unable to come online!Erasing old BIOS...Programming new BIOS...DONEVerifying new BIOS...DONEBIOS programming completeguest@nam-test.cisco.com#---------------------------------------------------------Step 9
reset <module-number> hdd:1
Step 10
show version
The output from of the show version command should look like the following:
BIOS Version: 4.0-Rel 6.0.9This show version command output indicates that the most recent BIOS version (4.0-Rel 6.0.9)is installed.
You can now reboot the NAM Application image and resume normal NAM operation.
Limitations and Restrictions
The following limitations and restrictions currently apply to the NAM 4.0 software release:
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NAM Support For Non-Cisco H.323 Voice Devices and Call Managers
NAM voice call monitoring may not function properly with some of the non-Cisco voice devices and Call Managers such as Avaya. This is only for non-Cisco voice devices. Cisco IP Phone and Call Managers do not have any problems.
You should use a third party voice monitoring tool for non-Cisco devices instead of using the NAM.
Direct Flow Packets to NAM Data Port
If you use a NAM-2 device, either WS-SVC-NAM-2 or WS-SVC-NAM-2-250S, we recommend that you direct all packets for the same flow to the same data port.
Note
NAM-2 devices have two data ports (DATA_PORT1 and DATA_PORT2), but the packets received on these two ports are not well merged in respect to the order in which the packets are received. When packets for a given flow are split into two data ports, it might impact the calculation of application response time (ART) metrics and voice quality metrics.
No Default CLI Password
For security purposes, beginning with NAM 4.0, we no longer provide a default root password. After you upgrade the NAM software to NAM 4.0, you must specify a password for the root account. Store this password in accordance with your site's security policies. You will need the root account password for additional software upgrades.
Intelligent Application Performance and Voice Quality Analytics
The calculation of IAP and voice quality metrics in NAM 4.0 depends on the actual packet arrival time and packet sequences. If these kinds of events occur, the NAM will not be able to calculate accurate quality metrics for the associated polling interval.
Administrators should pay attention to the NAM syslog messages and system alerts to be aware of any packet drops, duplicated packets, or asymmetric routing occurrences.
Intelligent Application Performance
Due to the way NAM 4.0 processes packets in a TCP connection, response time monitoring on WAAS data sources probably will not include the first response of the TCP connection. This occurs because the WAAS optimization engine might not be able to determine to which optimized or non-optimized segment the first few packets belong.
This issue will be noticed when you monitor a TCP connection that has only a single response. No response time will be reported for this connection. The NAM determines response time by taking the average response time over multiple TCP connections. Because most TCP connections have multiple responses, this issue is generally unnoticed over a longer period of monitoring.
Analyzing Direct RTP Streams and Voice Traffic
To successfully build the association between the active phone list and RTP streams, you should direct both voice traffic (the control plane) and related RTP streams (the data plane) to NAM data ports. The data port number is insignificant because the NAM analyzes voice quality based on the ALL SPAN data source.
Checking the NAM Maintenance Image and BIOS Versions
NAM 4.0 software requires that you use the correct NAM maintenance image and BIOS versions. The recommended BIOS version for NAM 4.0 software is BIOS 6.0.9.
The recommended MP version depends on the NAM model. See Table 7 for the recommended maintenance image for each NAM platform. If you need to upgrade your NAM maintenance image, see Upgrading the NAM Maintenance Image Software.
NAM Appliance Support for Cisco Nexus 7000
With the deployment flexibility the new Cisco NAM 2200 Series appliances offer, you now have a NAM solution to gain visibility into network and application performance for the Cisco Nexus 7000 Series switches. The Cisco NAM 2200 Series appliances provide core NAM functionality to support the Cisco Nexus 7000 Series including monitoring, reporting, capturing data and alarms. The NAM appliances support features such as traffic analysis, Intelligent Application Performance (IAP) monitoring, differentiated services analysis, and voice quality monitoring. The same NAM software image supports all tested infrastructure devices.
The Cisco NAM 2200 Series appliances do not yet offer the same level of management interface support they offer other tested devices, such as the Catalyst 6500 Series switches. This affects the following NAM functions:
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Support for both NBAR-PD and MPLS functionality is not available for the Nexus 7000.
Restrictions for NM-NAM and NME-NAMs
Note
The NAM Traffic Analyzer (web GUI) provides Layer 3 and higher layer information about the original packets. The Layer 2 header is modified by the router when it forwards the packets to the NAM, so the Layer 2 information that the NAM records is not applicable to the original packets.
IOS Issues Affecting NAM 4.0
The following IOS issues affect the use of NAM 4.0:
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IOS Image Incompatibility Prevents Creating SPAN Data Sources Using NAM GUI
An issue with the supervisor card and IOS images 12.2(18)SXF9 and 12.2(33)SRB1 prevents you from creating SPAN data sources (SPAN sessions) using the NAM GUI. (This issue is described in CSCse98807.) This issue has been resolved with IOS image 12.2(18)SXF10.
You can also use switch command-line interface (CLI) commands to create SPAN sessions, or you can use other IOS releases on the supervisor card, such as 12.2(18)SXF10 or 12.2(33)SRB2, that fix this IOS issue.
On affected systems, when you attempt to use the NAM GUI to create a SPAN session by choosing
Setup > Data Source and clicking Create, the NAM GUI displays no information for the Destination Port. This prevents you from creating the SPAN session.Cisco 7600 With Redundant Supervisor Cards Running IOS Image 12.2(33)SRC2
You might experience an error condition with a Cisco 7600 chassis that has redundant supervisor cards running the 12.2(33)SRC2 IOS image and a NAM service blade. The error occurs when you perform a sequential boot of the two supervisor cards because the secondary (standby) supervisor does not go into proper standby mode.
You can find more information about this issue in Field Notice #63179.
This problem does not occur:
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Problem Symptom
When the primary supervisor functions as a standalone with the secondary supervisor card in RPR mode, the Cisco 7600 chassis functions normally (as if it has a standalone supervisor card). A switchover causes the system to be unavailable for up to three minutes because the secondary supervisor card is not in proper standby mode.
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Solution
This problem requires you to downgrade the IOS image from 12.2SRC2 to 12.2SRC1. Account teams will help you do this if needed.
This problem will be fixed in 12.2(33)SRC4; a target date for this release is not yet available.
Running IOS Image Newer Than 12.2(18)SXF5
If you upgrade your IOS to an image newer than 12.2(18)SXF5, you remain vulnerable to a security issue where IOS switches the SNMP communication between the NAM and the SUP from inband to EOBC.
Due to this issue, you should not apply the NAM CLI command supervisor address <sup-address>. To remove this configuration from the NAM, use the negating form of the command,
no supervisor address.RSPAN and ERSPAN Unsupported in IOS Image 12.2(33)SRD
The ERSPAN command is not working properly in NAM 4.0 when using IOS image 12.2(33)SRD. The problem is noticed when you attempt to configure a destination on the NAM in ERSPAN or RSPAN sub-mode.
After issuing the command:
destination analysis-module 3 data-port 1
Where module 3 is the NAM you have set up to monitor (using the command monitor session 1 type erspan-destination), the configured destination cannot be found.
This problem also affects the local SPAN (with sub-mode configuration).
Wrong Egress Interface Found in 12.4(20)T and 12.4(22)T
This issue is described in caveat CSCsr18741. This issue affect NME-NAMs using image 12.4(20)T and 12.4(22)T.
This issue will be noticed when you attempt to use the NME-NAM to monitor interface-based traffic using CEF support.
A change to correct this issue is expected in 12.4(23.7)T.
Caveats
This section provides information about active and resolved anomalies in the NAM 4.0 software. To obtain more information about known problems, access and log in to the Cisco Software Bug Toolkit at the following URL:
http://www.cisco.com/pcgi-bin/Support/Bugtool/home.pl.
This section provides the following:
Known Anomalies in NAM 4.0
Table 9 provides a list of known anomalies found in NAM 4.0 software. Each anomaly includes a description of the symptom, conditions in which the anomaly occurs, and any workaround.
Table 9 Known Anomalies in NAM 4.0
CSCsr58782
DNS lookup might slow down monitor screens
Symptom: You might notice slow loading of the Monitor windows on the NAM 4.0 GUI.
Conditions: This might be observed when the Name Resolution function is enabled and the number of entries in the NAM monitor window is high (more than 5,000 entries, for example). This occurs on all NAM platforms.
Workaround: Disable Name Resolution.
Further Problem Description: It occasionally takes a long time to resolve the DNS name or IP address. Occasionally the DNS name does not resolve causing a long timeout.
CSCsr93255
TCP stream analysis of large files takes a long time
Symptom: You might experience slow GUI response when performing TCP stream analysis with large captured files (larger than 500 MB, for example).
Conditions: This occurs under normal operating conditions and occurs on all NAM platforms.
Workaround: Use a smaller size capture file. For example, use capture files smaller than 200 MB.
CSCso90689
The Setup > Managed Device > SNMP test should take read-write string only
Symptom: This window requires you to enter correct community string, then click Test, then click Apply.
If you enter an invalid community string and click Apply without testing it, some switch and router windows will not work correctly.
Conditions: This occurs on NM-NAM and NME-NAM platforms only.
Workaround: Enter the correct community string in NAM GUI.
Further Problem Description: If invalid information is entered, any window such as Port Stats, Interface Stats or NBAR Stats that requires contact with the remote device or the router will be affected. This could result in a partial or no information displayed on these windows.
CSCsq02246
The NAM appliance backplane utilization occasionally indicates no activity in NAM reports.
Symptom: Occasionally the Managed Device Backplane Utilization report on the NAM appliance shows no activity.
Conditions: This occurs on NAM appliances when you have set up a Managed Device Health report (Reports > Basic Reports > Create).
Workaround: None
CSCsq04306
On rare occasions, the Monitor > Remote Device > Interface Statistics window shows negative numbers after a reboot.
Symptom: On rare occasions, negative numbers display on the first view of the Monitor > Remote Device > Interface Statistics window.
Conditions: This occurs under normal operation on Cisco NAM 2200 appliances.
Workaround: Click your browser Refresh button a few times to resolve the problem.
CSCsr81988
The NAM Top Port report or target report occasionally displays negative numbers
Symptom: Occasionally the NAM Report on Switch Ports indicates negative values (for Packet Drops for example). Also, the affected report can be either type of target (specific to one port or system-wide for Top Ports.
Conditions: This occurs on all NAM platforms.
Workaround: None
CSCsu50908
The NAM CLI command config network does not completely restore the NAM configuration.
Symptom: a configuration restore does not completely restore the NAM configuration.
Conditions: This occurs on all NAM platforms and depends on the order in which the NAM was configured. All configuration statements prior to the time command should be restored. When the NAM sees the time command, it reboots, so all configuration that follows the time command will be lost.
Workaround: First, use a text editor to move the time command to bottom of the NAM configuration file (such as NAM_host_name-c6svc-nam-3.6.1b.config). Then execute the config network command.
Another way to work around this problem would be to use the show log config command to determine which commands failed during the CLI command config network. Then manually repair the missing configuration using the GUI or CLI.
CSCsv28003
Cisco 7600 fails with SRC2 image when the system attempts to synchronize on a dual supervisor system installed with the NAM.
Symptoms: IOS causes the redundant supervisor to reboot to RPR mode because it was unable to synchronize.
Conditions: This occurs when you boot the primary supervisor first, then boot the redundant supervisor with Cisco 7600 routers running IOS image 12.2(33)SRC2.
Workaround: Downgrade the IOS image from 12.2SRC2 to 12.2SRC1. See Cisco 7600 With Redundant Supervisor Cards Running IOS Image 12.2(33)SRC2 for more detailed information.
CSCsv41026
Initial display of application host screen may be slow for larger tables.
Symptom: It takes several minutes to open a large table of entries for Application Hosts on the Monitor > Conversations > Application Hosts window.
Conditions: This only occurs when the NAM sees a large number of host and conversation entries per second and the host and conversation collections are configured with Maximum Possible option.
You configure these collections at the Setup > Monitor > Core Monitoring window. A pull-down menu provides three options for the Max Entries field including Max Possible for Host Statistics (Network & Application layers) and Conversation Statistics (Network & Application layers).
With this configuration, a large table of entries grows quickly because the NAM data port will see several thousand concurrent host and conversation entries each second.
Workaround: Use the NAM GUI to modify the collection configuration to limit the size of the Max Entries field.
CSCsv41047
Intermittent multiple instances are created for collections
Symptom: Attempting to click the check box for monitoring data collection to Off has no affect; the window returns with the box checked.
Conditions: This occurs on all NAM platforms.
Go to the Setup > Monitoring > Core Monitoring window fields for functions like Application Statistics and Network Hosts, then click the check box off.
Walking the respective SNMP MIB control table such as the hlMatrixControlTable and hlHostControlTable for examples above) shows more than one row for the same data source and owner (LocalMgr).
Workaround: On Setup > Monitoring > Core Monitoring window, click a check box for a Monitoring Function to off repeatedly until it takes effect (each attempt deletes one entry) or delete extra entries using SNMP SET requests.
CSCsv75490
You can reach URLs that are not applicable to current NAM platform
Symptom: You can enter a URL to a location that is not pertinent to your current NAM device. For example, if you enter a URL on a NAM2, such as /setup/remote/remote.php, the NAM will display the Setup Managed Device parameters of a different device.
Conditions: This occurs on all NAM platforms.
Workaround: You can avoid this by using the GUI buttons and not entering URLs by keyboard input.
CSCsw29434
The Service Monitor (SM) receives duplicate RTP records from NAMs.
Symptom: When the SM receives RTP stream metrics from the NAM each polling interval, the SM receives duplicate RTP stream records as many as eight times depending on the configured size of the RTP table.
Conditions: This occurs on all NAM platforms.
Workaround: This anomaly was fixed in NAM 4.0(1) patch 1.
CSCsw41208
Unable to install NAM application image for NAM 4.0 on NME-NAM-80S and NME-NAM-120S
Symptom: You are unable to install NAM application image using the TFTP installation option.
Conditions: This applies only to NME-NAM-80S and NME-NAM-120S. This occurs when you use the TFTP download option for install from the helper.
Workaround: Use the FTP or HTTP download method for installation.
Further problem description: The size of the NAM 4.0 application image is too large for a TFTP download.
CSCsx44498
Data points are occasionally not found in Application Response Time reports.
Symptoms:
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"Jan 22 17:43:52 6513A-NAM logger[7840]: RD_WD: trendd is dead!"Conditions: This occurs when ART reports created from the Monitor window contain hostnames and NAM Preferences window has the DNS hostname resolution to off.
Workaround:
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The trendd report daemon restarts automatically.
CSCsx63181
The NAM application crashes on some ESP packets
If esp-null encapsulation is set to application or application and tunnel and the real encryption algorithm is used (not NULL) then the heuristic to look for esp-null can result in crashes of mond.
Symptom: The NAM application occasionally crashes on the Cisco NAM 2220 and 2204 appliances.
Conditions: This occurs when traffic with ESP (part of IPSEC) with an encryption algorithm other than NULL is present and ip-esp encapsulation is set to application or application and tunnel.
Workaround: Set the ip-esp encapsulation to tunnel.
Further Problem Description: When the ip-esp encapsulation is set to application or application and tunnel, the NAM tries a heuristic to determine if a NULL encryption algorithm is used. The algorithm can cause problems if a non-NULL algorithm is used.
CSCsx67180
ART reports created from the Monitor window have hostnames even with the DNS Off flag
Symptom: ART reports created using the Report button from the ART monitor window contain hostnames and not IP addresses. This causes the report triplets to indicate No Data status.
Conditions: This occurs under normal operating conditions when creating ART reports from the ART Monitor window with DNS off on the network preferences window.
Workaround: When you set the DNS hostname resolution to off, also remove any nameservers in the network preferences.
CSCsx67644
Jumbo packets on WS-SVC-NAM2 can stop monitoring
Symptom: The NAM stops monitoring traffic.
Conditions: This occurs when the WS-SVC-NAM2 processes jumbo frames.
Workaround: Disable esp-null heuristic (in NAM 3.6) or change the protocol encapsulation setting for IPESP to tunnel (in NAM 4.0).
Further Problem Description: The firmware on the WS-SVC-NAM2 indicates a wrong length for jumbo packets at the end of a buffer. The indicated length is the original length, but only part of the packet is copied into the buffer. Accessing memory beyond that buffer (if the buffer is the last in the packet memory) can lead to access errors.
Only very few NAM features access data that far in the packet. Two features that can do that are the ESP-NULL heuristic and capture (if the slice size is set that big).
CSCsz054194
Upgrading SVC-NAM-1-250S and SVC-NAM-2-250S occasionally fails with disk errors when you upgrade NAM software.
Conditions: This occurs when you upgrade NAM software on a SVC-NAM-1-250S or a SVC-NAM-2-250S from NAM 3.6 to NAM 4.0.
Workaround: Use the --install flag of the upgrade command to upgrade your software.
Note
Anomalies Fixed in NAM 4.0
Table 10 describes anomalies known to exist in previous versions of NAM software that have been fixed in the NAM 4.0 release. Each anomaly listed includes information about symptoms, conditions, and any available workaround.
Cisco NAM 4.0 Software Documentation
The following is a list of the documentation for Cisco Network Analysis Module, Release 4.0.
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You can access the URLs listed for each document on the Documentation CD-ROM and at www.cisco.com on the World Wide Web. You can access all product documentation at the following URL:
http://www.cisco.com/en/US/products/sw/cscowork/ps5401/tsd_products
_support_series_home.htmlRelease Notes for the Cisco Network Analysis Module, Release 4.0
OL-14944-01
This document, the Release Notes for the Cisco Network Analysis Module, provides a collection of information including software and hardware compatibility and information about new features, requirements, and anomalies that might exist.
User Guide for the Cisco Network Analysis Module Traffic Analyzer, Release 4.0
OL-14964-01
The User Guide for the Cisco Network Analysis Module Traffic Analyzer describes how to use the Network Analysis Module Traffic Analyzer and NAM 4.0 user software.
http://cisco.com/en/US/docs/net_mgmt/network_analysis_module_software/4.0/user/guide/users.html
Cisco NAM Command Reference, Release 4.0
OL-14941-01
The Cisco NAM Command Reference, Release 4.0 provides information about how to use the NAM command-line interface to manage the NAM devices supported by NAM 4.0 software including:
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Catalyst 6500 Series Switch and Cisco 7600 Series Router NAM Installation and Configuration Note, Release 4.0
This document describes how to configure the NAM to work with the Catalyst 6500 series switch, Catalyst 6000 series switch, and Cisco 7600 series routers. This document also describes how to configure the NAM using the command-line interface (CLI) for the operating system supporting the NAM (Cisco IOS or the Catalyst operating system).
Cisco Branch Routers Series NAM Installation and Configuration Note, Release 4.0
OL-14942-01
This document supports the basic installation and configuration of the NME-NAM, NME-NAM-80S, and the NME-NAM-120S. This document is meant as an introduction to Cisco Branch Routers Series NAM and is not meant to replace the Cisco Branch Routers Series Hardware Installation Guide chapter.
Copyright Notices for the Cisco Network Analysis Module, Release 4.0
OL-14961-01
The Copyright Notices for the Cisco Network Analysis Module, Release 4.0 provides a listing of all copyright notices for the open source third-party software used in NAM 4.0.
Cisco NAM 2200 Series Appliance Documentation
This section provides information about the documentation for the Cisco NAM 2200 Series appliances.
Quick Start and Documentation Guide for the Cisco NAM 2200 Series Appliance
78-18440-01
The Quick Start and Documentation Guide for the Cisco NAM 2200 Series Appliance (this document), contains a description of the documentation for the NAM appliance and NAM 4.0 software and information about how to get started with the NAM appliance.
The Quick Start and Documentation Guide for the Cisco NAM 2200 Series Appliance is a printed document that ships with the NAM appliance and is also available online at the following URLs:
Installation and Configuration Guide for the Cisco NAM 2220 Appliance
OL-16692-01
The Installation and Configuration Guide for the Cisco NAM 2220 Appliance provides information to help you install and configure the Cisco NAM 2220 appliance. This guide includes overview information and details about how to install the appliance, connect the appliance to power and the device it monitors, configure the appliance, log in, and get started setting up the appliance to monitor the device.
The Installation and Configuration Guide for the Cisco NAM 2220 Appliance is an online only document you can find at the following URL:
Installation and Configuration Guide for the Cisco NAM 2204 Appliance
OL-14943-01
The Installation and Configuration Guide for the Cisco NAM 2204 Appliance provides information to help you install and configure the NAM 2204 appliance. This guide includes overview information and details about how to install the appliance, connect the appliance to power and the device it monitors, configure the appliance, log in, and get started setting up the appliance to monitor the device.
The Installation and Configuration Guide for the Cisco NAM 2204 Appliance is an online only document you can find at the following URL:
Regulatory Compliance and Safety Information for the Cisco NAM 2200 Series Appliances
78-18308-01
The Regulatory Compliance and Safety Information for the Cisco NAM 2200 Series Appliances is a printed document that ships with the NAM appliance and is also available online at the following URLs:
The Regulatory Compliance and Safety Information for the Cisco NAM 2200 Series Appliances contains regulatory compliance and safety information for the Cisco NAM 2200 Series appliances.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at the following URL:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0.
Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1005R)
