Gebruiksaanwijzing /service van het product ExpertNet Lite Assessment Tool ELAT van de fabrikant Avaya
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ExpertNet™ Lite Assessment Tool User Guide May 2008.
© 2008 Avaya Inc. All rights reserved. Notice While reasonable effo rts were made to ensure th at the information in this document was complete and accurate at the time of printing, Avay a Inc. can assu me no liability for any erro rs. Changes and corrections to the information in this document ma y be incorporated in future releases.
ExpertNet Lite Assessment Tool - User Guid e 1 About this guide This guide is intended for BusinessP ar tners and A va ya As sociates using the ExpertNet ™ Lit e Assessment T ool (ELA T) for the first time.
ExpertNet Lite Assessment Tool - User Guid e 2 ExpertNet Lite Assessment Tool Architecture ● ExpertNet ™ Lit e Assessment T ool Controller – Runs on a PC to measure dela y and packet los s and to produce a dataset.
ExpertNet Lite Assessment Tool - User Guid e 3 Requirements for ELAT Controller Hardware ● Standard IBM PC -compatibl e ● Intel x86 CPU or compatible, Pent ium 1Ghz performance ● 512MB of RAM for Windows XP ● 3GB free disk space. Operating System ● Windows XPTM Professional Edition with Service Pack 2 ● .
ExpertNet Lite Assessment Tool - User Guid e 4 Installing ExpertNet Lite Assessment Tool Controller Before installing ELA T , please ensure that all PCs on which ELA T will be installed are set up as follows: ● Disable screen savers. ● Disable any time synchronization services.
ExpertNet Lite Assessment Tool - User Guid e 5 Install the Controller Download the ELA T Controller (a 40Mb binary file) from http://support.av ay a.com . The installation typic ally takes less than 5 minutes. F or more detail about ins talling the Controller , refer to Appendix A: Installing the Controller and T est Agents .
ExpertNet Lite Assessment Tool - User Guid e 6 Configuring the ELAT Controller T o run the ELA T Controller Co nfigur ation wizard , select Configuration > Modify Configuration . Y ou can review all the parameters and accept the defaults or change any par ameter as per your network needs.
ExpertNet Lite Assessment Tool - User Guid e 7 * Default v alues for these fields shoul d never be changed. Step 2: Network Discovery Options Each tim e th e user selec t s Network Paths > Discover Paths menu ite m from ELA T’ s main menu, the ED T tool discov ers the network and leaves behind a topology file.
ExpertNet Lite Assessment Tool - User Guid e 8 Step 2.1: Location to Start Network Discovery Steps 2.1 and 2.2 will only display if yo u select ed the Discover T opology option. Discover Topology Select this option if you want th e Controll er to discover network topology from scratch.
ExpertNet Lite Assessment Tool - User Guid e 9 Step 2.2: Parts of Network to Discover Step 3: SNMP Read Community Strings Re ad Community string s are used to retrieve SNMP data from the customer network. Without the community strings we cannot retr ieve retri eve pe rfor man ce cr iteri a (C PU, interface) from devices.
ExpertNet Lite Assessment Tool - User Guid e 10 If the customer is not willing to allow this lev el of access you can proceed without read community strings. Performance c riteria data will not be collected. Add the appropriate SNMP read community strings, and prioritize using Move Up and Move Down buttons.
ExpertNet Lite Assessment Tool - User Guid e 11 Step 4: SNMP Settings On this page you ca n set v alues for S NMP requests sent on th e ne tw ork. These settings r arely need to be changed. Poll Interval of Single Node Poll interval defines the interval fo r sending SNMP requests to a singl e node on the network.
ExpertNet Lite Assessment Tool - User Guid e 12 Step 5: Ping Settings On this page y ou have the option to change the default setti ngs for Ping tests run on the network. Again, these setting s r arely need to be modified. Average Number of Polls/Sec Determines the frequency of sending ping probes to the network.
ExpertNet Lite Assessment Tool - User Guid e 13 Step 6: RTP General Configuration On this page you hav e the option to change the default settings for R TP tests run on the network. All R TP t ests that are added automaticall y will use these settings.
ExpertNet Lite Assessment Tool - User Guid e 14 Step 7: RTP Ports Configuration In this page y ou must configure the port se tti ngs that will be used against the test agents. RTP Ports Range Defines the starting port for the rang e of ports whi ch can be used for RTP tests.
ExpertNet Lite Assessment Tool - User Guid e 15 Install and Configure the Avaya Traffic Simulator Installing the Avaya traffic Simulator Install the A va ya T raffic Simulator on each remote endpoin t you want to tes t. Eac h remote endpoint MUST be on the same V oic e VLAN on which the V oIP equipment wi ll be eventually installed.
ExpertNet Lite Assessment Tool - User Guid e 16 Adding RTP Tests and Ping Tests - Populating the Network Paths View Add RTP Tests About RTP Paths An RTP path is a route from the ELA T controller to an edge PC that has the Av ay a T r affic Simulator installed.
ExpertNet Lite Assessment Tool - User Guid e 17 TProtocolSelect a traceroute protocol to be used to discov er int ermediate r outers on To Endpoint Select an endpoint t o which the RTP te st is to be created.
ExpertNet Lite Assessment Tool - User Guid e 18 Add Ping Tests About Ping Paths A ping path is a route from the ELA T control ler to any edge device. Ping paths may optionally be tr acerouted. Like R TP paths, if Ping paths are t rac erou ted, the routers discovered are represented in the P ath Details View for an y selected path .
ExpertNet Lite Assessment Tool - User Guid e 19 To Endpoint Ho s t n a m e o r I P ad d r e s s of a d e v ic e t h a t y o u w a n t t o b e a n ed g e d e vi c e of the new ping test path. Protocol Select a protocol to discover and ping this path. UDP is the recommended protocol.
ExpertNet Lite Assessment Tool - User Guid e 20 Understanding the Network Paths View All of the Network P aths or T ests that you ha ve created are added in t he Network Paths view . The icon at the beginning of each row indicates the type of t est. The icons display in red for fai led tests.
ExpertNet Lite Assessment Tool - User Guid e 21 R TP tests offer more complex settings than ping tests and it maybe worthwhile having multiple tests to the same endpoint wit h di fferent settings to see whether there is an impact on the metrics gathered.
ExpertNet Lite Assessment Tool - User Guid e 22 When ELA T completes the data collection, it will upload the dataset automatically to the FTP server as configured in the Confi gu ration Wizard. DSCP (Diffe rentiated Services Code Poi n t) This column is useful for dete rmining DSCP problems on the network.
ExpertNet Lite Assessment Tool - User Guid e 23 Verify the Tests When all of the tests y ou w ant to run are co nfigured you should v erify them to ensu re that they can be run successfully . It is espe cially i mportant to verify all R TP tests at least once as you may hav e firewall and port related issues when the tests are started.
ExpertNet Lite Assessment Tool - User Guid e 24 Begin Data Collection At this point the Network P aths View should be populat ed with tests that prov ide a good cover age of your network, and a ll of these tests should be verified. Every ping test will collect ra w Round T rip Time (R T T) data for all ingres s interfaces on the path.
ExpertNet Lite Assessment Tool - User Guid e 25 When the tool is fini shed running a di alog will displa y giving you the option to upload the gathered data so that a re port can be gener ated.
ExpertNet Lite Assessment Tool - User Guid e 26 Avaya Associates Av a y a Associates should then access the ExpertNet Lite web server and download their report.
ExpertNet Lite Assessment Tool - User Guid e 27 Analyzing the Report Reports are gener ated in R TF format and can be viewed and edited in Microsoft W ord.
ExpertNet Lite Assessment Tool - User Guid e 28 Overview Graphs ● Overview chart is av aila bl e per path or target ● Delay and Jitter hav e maximum, aver age, and minimum val ues-max and min are .
ExpertNet Lite Assessment Tool - User Guid e 29 QoS Graphs Separate gr aphs displa ying Delay Jitter and L oss are av ailable for each target..
ExpertNet Lite Assessment Tool - User Guid e 30 SNMP Data If SNMP access to routers is enabled, and read community strings are available gr aphs displaying performance criteria will also be available. 1 . 1. This feature is only available for Cisco Routers, Caju n, Extrem e, 3Com, Xylogics devices at this time.
ExpertNet Lite Assessment Tool - User Guid e 31.
ExpertNet Lite Assessment Tool - User Guid e 32 Troubleshooting Q: My customer does not want to give us the community string. Is there a workaround to not giving Avaya or its representatives the community string(s)? A: With out the c ommunity s trings we cann ot retrieve performance criteri a (CPU, interface) from devices.
ExpertNet Lite Assessment Tool - User Guid e 33 Q: Why is there no CPU utiliz ation for one of my routers? A: There are sever al reasons why CPU is not being reported: ● CPU is supported for some (not all) d evices manufactured by 3Com, A v ay a, Cisco, Extreme, and X ylogics.
ExpertNet Lite Assessment Tool - User Guid e 34 Q: Where are the log files stored? C:/Progr am Files/A vay a/ELA T/logs Q: Can I use network de vice s as endpoints of a path? A: No, y ou should avoid using network devi ces if at all possible as endpoints.
ExpertNet Lite Assessment Tool - User Guid e 35 devices, cpuUtilization for X ylogic). Interface util ization is retrieved from stand ard MIB2 (ifInOctects, ifOutOctets , ifInDiscard, ifOutDiscards).
ExpertNet Lite Assessment Tool - User Guid e 36 Q: How does the thro ttling mechanism work? A: The throttling mechanism is separ ate for ping and SNMP polling. F or SNMP , configuration wizard in "Step 4: SNMP Settings" exposes P oll Interv al of Single Node[secs] and Maximum T o tal Number of Po lls/Sec par ameters.
ExpertNet Lite Assessment Tool - User Guid e 37 ● Navigate to HKEY_LOCAL_MACHINESYSTE MCurre ntControl SetServices T cpipPar amet ers EnableICMPR edirect and then set th e v al ue of this parameter to 0. Q: The Traffic Simulator is on a mach ine with dynamic IPs and its IP keeps changing.
ExpertNet Lite Assessment Tool - User Guid e 38 Appendix A: Installing the Controller and Test Agents Installing the ExpertNet™ Li te Assessment Tool Controller 1. Double-click on the instal ler icon 2. Click Next. 3. The license agreement is presented.
ExpertNet Lite Assessment Tool - User Guid e 39 Server port from the default val ue of 80 you need to na vigate to http:// <controller_ip_address>:<port_number> NOTE: T o find the IP address of the PC open t he Control Panel > Network Connections > LAN Area Connection dialog and open the Su pport tab .
ExpertNet Lite Assessment Tool - User Guid e 40 6. On this page enter the IP Address or hos tname of the Controller and click Next. 7. Enter the install loca ti on, use the default instal l location and click Next. 8. Y o u are now ready to begi n the in s tal l ati on .
ExpertNet Lite Assessment Tool - User Guid e 41 Appendix B: Firewall Configuration If you hav e installed A v a ya Exp ertNet Lite Assessment T ool or A v ay a T raffic Simulator on a computer with a firewall installed, you ma y find that R TP tests fail.
ExpertNet Lite Assessment Tool - User Guid e 42 To configure PC-Cillin Internet Security: 1. Open PC -Cillin Internet Security 2. Click Network Security along the left side. 3. Click Edit . 4. From the Personal Firewall Profile window, open the Exception Lis t .
ExpertNet Lite Assessment Tool - User Guid e 43 Appendix C: Avaya Associates: Downloading the Report Download Report Once the dataset is uploaded, y ou will be able to view and analyz e the data by generating a rep ort. 1. Click on ExpertNet™ Li te Home li nk.
ExpertNet Lite Assessment Tool - User Guid e 44 Generate and Download Custom Reports A custom report that ex cludes certain targets or paths can also be gener ated. 1. Select the Generate link in the Custom R eport column on the View Datasets page. 2.
ExpertNet Lite Assessment Tool - User Guid e 45 Glossary End of Document ExpertNet™ Lite Assessme nt Tool A tool designed to assess whether a customer network is ready to support V oIP calls ExpertN.
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