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Cisco Performance Visibility Manager 1.0 Technical Implementation Guide Corporate Headquarters Cisco Systems Inc. 170 West Tasman Drive San Jose, Ca 95134-1706 USA http://www.
All contents are Copyright © 1992–2004 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 2 of 66 Corporate Headquarters Cisco Systems, Inc.
All contents are Copyright © 1992–2004 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement. Page 3 of 66 TECHNICAL IMPLEMENTA TION GUIDE Cisco Performance Visibility Manager 1.0 INTRODUCTION ............................
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 4 of 66 INTRODUCTION The Cisco® Performance Visibility Manager is an enterprise-level, centralized network mana.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 5 of 66 NA M GUI Drill dow n Cisco PVM provides you the ability to drill down into the NAM GUI for more detailed and efficient troubleshooting, once it has been identified with the help of PVM’s traffic an alysis and monitoring components.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 6 of 66 DEPLOYMENT CONSIDERA TIONS AND PLA NNING Cisco PVM works in conjunction with the Cisc o Network Analysis Modules (NAMs) to provide y ou in-depth visibility into your netw ork traffic.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 7 of 66 5. Create the appropriate datasource groupings of NAMs and/or Switch/Routers to aggregate data from. 6. Use the Traffic Analysis features of Cisc o PVM to identify or troubleshoot the problem.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 8 of 66 • Access Layer : Place Cisco NAMs at the access layer only if critical clients are required to be monitored. IP phones, for example, can be monitored for latency or for adequate response to and from Cisco CallManagers.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 9 of 66 Create the Datasource Groups (DSGs) in Cisco PVM Since Cisco PVM collects information from multiple NAMs, and each NAM can be monitoring multiple datasources, you have to group these datasources together in Cisco PVM to view useful aggregated data.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 10 of 66 USA GE SCENARIOS After following the workflow of installing Ci sco PVM, the next step is to understand the usage of the statistics provided by Ci sco PVM so you can utilize it to monitor your network.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 11 of 66 e. Log into the Web application, configure th e SPAN sessions, and enable data collection such as applications , hosts and conversat ions. See the following user guide for Cisco NAM.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 12 of 66 To add a user, click Add and fill in the appropriate information in the window s hown. For more details on configuring users through the GUI, see the User Guide.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 13 of 66 • ldap.auth.scheme= ssl • ldap.account.name= admin • ldap.server.name= ware.trendium.com • ldap.server.port= 636 For SSL communication with the LDAP server, you need to import th e public key from the LDAP server.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 14 of 66 Cisco PVM allows the user to add an individual NAM and its a ssociated device through the GUI. Click the Setup Tab and select th e NAMs menu item to see the list of NAMs.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 15 of 66 set to be 50 ms. This might not be appropr iate for your network topology. Ensure that this value is appropriate based on your knowledge of the network. 5.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 16 of 66 5. Any problems encountered during the import pr ocess are reported in the Alerts window. 6. Remember to refresh the Alerts window periodica lly as well to see the latest list of alerts.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 17 of 66 Note: 1. Remember to wait for at least one minute for the devices to be im ported. Also, remember to refresh the NAM list page to view th e latest list of NAMs in Cisco PVM.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 18 of 66 NAM Type DSG: This type of DSG allo ws the user to group NAM datasources Switch/Router Type DSG: This t.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 19 of 66 Usage Scenar ios: Gather Statis tics and Test Monitoring and Trouble shooting After completing the depl.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 20 of 66 Step 1 (Contd) c. Type the Name d. Select the NAM Type in the Type dropdown e. Select the device. f. Click the right arrow to see the datasources from the device.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 21 of 66 Step 2. Go to the Monitor tab and select the Applic ations Re por t Suite . a. Click the Monitor Tab. b. Click (right arrow) at the top left corner to toggle the menu, and the (down arrow) at the top right corner to toggle the parameters page.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 22 of 66 Step 3. If you find a protocol that is using exc e ssive bandw idth, you can find out w ho is using it. a. Click the Protocol of interest. b. PVM lists the hosts that were using the protocol and the amount of traffic they generated.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 23 of 66 Step 4. You can also s chedule these reports to be run at a given time for later perus al. a. Click the Reports Tab. By default the Applications Report page is shown.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 24 of 66 Step 4. (Contd.) a. Scheduled reports are visible from the View Schedules menu item. b. Click the Schedules tab to see scheduled reports. c. Reports that have already been run are available in the Completed tab.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 25 of 66 Scenario 2: Proactive Monitoring Network engineers receive calls to troubles hoot user issues. They would like to pro actively monitor the network and troubleshoo t issues before users become aware of them.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 26 of 66 Step 1. (Contd.) c. Type a Name for the ART Group. d. Type the appropriate Report Interval e. Select the NAM from the list. f. Select the appropriate datasource from the NAM g.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 27 of 66 Step 2. Create a Threshold for th e Application Re sp onse Time of the server you are interes ted in. a. Click the Setup tab b. Click the Thresholds menu item.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 28 of 66 Step 2. (Contd.) d. Type the Name for the Threshold. e. Select the severity of the Alert to be issued. f. Select ART from the Statistics list. g. Select the Average Response Time metric.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 29 of 66 Step 3. PVM will now start base-lining the Av erage Response time for that server. If the thresholds are crosse d, it issues an a lert. a. To view alerts, click Alerts tab.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 30 of 66 Step 3. (Contd.) c. PVM displays the details of the threshold violation.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 31 of 66 Scenario 3: Trouble shooting You are base-lining your response times from the server. An alert is issued that a critical corporate server has a very high re sponse time when compared to the baseline.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 32 of 66 Step 2. Verify the link utilizatio n on the client Branch Router. a. Click the Monitor tab b. Click Switch/Router -> Interface c. In the Parameters Pane, select th e appropriate DSG and time period.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 33 of 66 Step 3. Using the PVM Single Sign-On feature, logon to the Br anch Router NM-NAM for fu rther troubleshooting. a. Click the Setup tab b. Verify the appropriate NAM c.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 34 of 66 Step 3. Using the PVM Single Sign-On feature, logon to the Br anch Router NM-NAM for fu rther troubleshooting. a. Click Monitor Æ Apps b. Select the appropriate datasource c.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 35 of 66 Ove rvie w of PVM functionality You now have an understanding of usage of Ci sco PVM with some of the scenarios men tioned earlier This section will explain all the features of Cisco PVM to provide a thorough ove rview of Cisco PVM capabilities.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 36 of 66 Clicking the right arrow or the green Monitor bar on the left toggl es the display of the Generate Reports menu. Similarly click ing the down arrow or the green Monitor bar toggles the display of the parameters pane.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 37 of 66 From the Parameters pane shown select th e appropriate DSG, view and report type a nd the time frame for which to run the report. Then select the appropriate report to run from the Generate Reports menu and Cisco PVM displays report.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 38 of 66 Datasource – This scheme allows the user to view traffic statistics per datasource. Aggregated – This scheme allows the user to view aggregated traffic statistics for all datasources in the DSG.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 39 of 66 The “ T ” hyperlink provides a trend report which displays all the data points for the given time period and shows a trend line for the statistic of choice.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 40 of 66 Report Name Drill-Down Reports Available Overview • Host Details • Application Details • DSCP App.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 41 of 66 The menu pane on the left pane lists the reports suites. You can click any of the reports, and then select the appropriate para meters in the right pane to either schedule the report or to run it right away .
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 42 of 66 Clicking the version number displays the report. Note: 1. Reports generated from the Reports Tab are automatically archived. These archives are vers ioned each run of a particular report .
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 43 of 66 Note: 1. You can include multiple datasources from mu ltiple NAMs in an ART group. Select the NAM of interest from the list and then add the datasources from those NAMs to th e chosen list of datasources.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 44 of 66 Server Response Time (SRT) – Gives you the server side latency sta tistic s from the Se rve r side NAMs. Client/Server Response Time (CSR T) – Gives you the total roundtrip respons e time from the client side NAMs.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 45 of 66 Note: 1. Pre-filtering: Cisco PVM depends on traffic statistics gathered by the NAM to perform its reporting. Cisco PVM performs some pr e- filtering of the data is has collected for the various ART Gr oups.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 46 of 66 From the Scheduled Reports menu subsection, you can select the View Schedules menu item to view the schedules of reports to be run. Cisco PVM lists the scheduled, running, pending and completed reports.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 47 of 66 Select the type of statistics and the particular metric that are required. You also need to specify which DSG you want to monit or (In the case of ART statistics, you will need to specify an ART group).
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 48 of 66 Baseline Period (Default is 1 day) – The amount of time over which the moving av erage baseline is calculated. Generating SNMP Traps Cisco PVM generates SNM P traps for the issued alerts.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 49 of 66 trapCommunity = public trapDestination = 172.16.11.161 trapPort = 162 You can define multiple [snmptarget] blocks, one for each destination.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 50 of 66 Note: 1. NAM Alarms are obtained by Cisco PVM from the RMON MIB in th e NAM. Since the MIB information does not specify a severity level, Cisco PVM always designates a NAM alarm as Minor severity level.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 51 of 66 Cisco PVM Requirements and Sizing Cisco PVM is a network monitori ng software that runs on Linux. The minimum recommended hardware and so ftware configurations are as follows: Minimum Server Requirements Hardware: • 2 Intel Xeon CPU – 3.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 52 of 66 Cisco PVM supports a maximum of 200 NAM–2s, or the equivalent of 100 NAM–2s plus 300 NM –NAMs. The hardwa re requirements for Cisco PVM installations differ de pending on the number of NAMs the sy stem is intended to support.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 53 of 66 Note: 1. If the environment you are installing in is configured for NIS, ensure that ‘oracle’ and ‘pvmadm’ users are not created. Cisco PVM will create these users.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 54 of 66 Remember to generate and install th e SSL certificate as ‘pvmadm’ u ser Troubleshooting Tips: 1. Verify the log files for any signs of trouble. Cisco PVM places the installation log files in the $PVM_BASE/installlogs directo ry.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 55 of 66 $su - oracle $export ORACLE_SID=cnam $sqlplus /nolog sqlplus>connect /as sy sdba sqlplus>shutdown.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 56 of 66 restart. If Cisco PVM is manually stopped, it w ill have to be restarted manually as well. 2. When Cisco PVM is started m anually, ensure that you are starting it as ‘pvmadm’ user.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 57 of 66 Cisco PVM is a database intensive software application. Similar to any database-drive n application, Cisco PVM has some maintena nce activities that the user can perform to ensure good performance a nd trouble free use.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 58 of 66 $archive –p <tadwop password> -f <archive f ile location> [-I] [-[{T|H}]C] {start|stop} The I flag runs the archive process immediately instead of scheduling it.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 59 of 66 CONCLUSION This guide attempts to make the deployment of Cisco PVM on your network easier to plan and execute. The tasks that y ou need to perform to successfully deploy and use Cisco PVM are e xplained in detail.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 60 of 66 A PPENDIX Deployment Q&A Q. What login permissions are re quired to install Cisco PVM? A. Cisco PVM installation require s root-level access to the Linux server that has been configured to run Cisco PVM.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 61 of 66 A. The installation software requires a minimum of 4.0 GB of dis k space to install Cisco P VM and third-party software. Cisco PVM requires that a minimum of 70 GB of disk space be available in the data storage directory.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 62 of 66 Q. Does Cisco PVM provide tracing capability? A. The Cisco PVM collection framework provides tracing capabilities fro m the Cisco PVM server. The trace level can be configured which dictates the detail of the trace information.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 63 of 66 Deployment Troubleshooting Symptom - During the Cisco PVM installation, I receive the error message “Not enough free disk space”. Possible Cause - The Cisco PVM installation directory has insufficient disk space.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 64 of 66 Symptom - After successfully installing the Cisco PVM product, when I invoke the web page to access the PVM GUI, I get the error message “The page cannot be displa yed” from the web browser.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 65 of 66 For More Information Release Notes for Cisco Perf ormance Visibility Manager , 1.0 (OL-8615-01) http://www.cisco.com/en/US/products /ps6768/prod_release_note09186a0080640a00.
Cisco Internal Use Only Copyright © 2006 Cisco Systems, Inc. All rights reserved. Page 66 of 66 Corporate Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA www.
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