Manuale d’uso / di manutenzione del prodotto WAN Probe Kit del fabbricante Network Instruments
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August 2003 W AN Probe Kit Inst allation & Quick S t art Guide.
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© 2003 Network Instruments, LLC i Trademark Notices © 1994-2004 by Network Instruments, LLC (Limited Liability Corporation). All rights reserved. “Observer”, “Network Instruments” and the “N with a dot” logo are registered tr ademarks of Network Instruments, LLC, Minneapolis, Minnesota, USA.
ii WAN Probe Kit Quick Start and Installation Guide Technical Support Network Instruments provides technical support: By phone (depending on where you are located): US & Countries outside Eu rope .
Contents © 2003 by Network Instruments, LLC iii Getting Started ................... ................................................................ 1 Installation Overview ............. ...............................................................
iv WAN Probe Kit Installation and Quick Start Guide.
1 Getting S tarted Thank you for purchasing Network Instrume nts W AN Probe Kit. The W AN Probe Kit, when coupled with Networ k Instruments Observer ® software, offers full-featured frame capture, decode, and analysis for T1/E1, DS3/E3 and HSSI W AN links.
2 Unpacking and Inspecting the Parts Unp acking and Inspecting the Part s Y our W AN Probe Kit includes a number of components. T ake a moment after unpacking the kit to locate and inspect all of the parts.
Getting S tarted 3 Hardware and Software Requirement s Make sure that the system on which you plan to install the Probe Kit meets these requirements before you begin installing the kit. Hardware Requirement s The PC must meet or ex ceed these specifications: • T o guarantee T1/E1 or DS3/E3 wire-sp eed: Pentium III 1.
4 W AN Probe Kit Quick Installation Diagrams W AN Probe Kit Quick Installation Diagrams Follow the diagrammed steps below to instal l the W AN Probe Kit.
Getting S tarted 5 Digit al DS3/E3 T A P Quick Inst allation Diagram Frame Relay Card A P r o b e S e r v i c e R u n n i n g TCP/IP LAN TX RX TX RX DS3 Line (DCE) IN OUT DS3 TA P B A DTE DCE LOS LOF LOS LOF POWER LOS LOF LOS LOF IN OUT IN OUT CSU/DSU (DT E ) Move the DCE connect ors fr om the DS3 li ne to the & ports on the T A P .
6 W AN Probe Kit Quick Installation Diagrams Serial T1 T AP Quick Inst allation Diagram 10/100 NIC WAN Card A Probe Service Running Observer Console TCP/IP LAN B A 2 Inst all the Network Instrument s Probe sof tware. 3 From the Observer Console, the newly- configured Probe will now be available on Observer ’ s Probe List.
Getting S tarted 7 HSSI T AP Quick Inst allation Diagram TX RX TX RX 10/100 NIC Probe Service Running 2 Inst all the Network Instrument s Probe software. 1 Inst all the interface cards, drivers, and cabling. 3 From the Observer Console, the newly- configured Probe will now be available on Observer ’ s Probe List.
8 W AN Probe Kit Quick Installation Diagrams 1. Install the Interface Cards, Drivers, and Cabling The T AP kit allows the Probe to capture fra mes from a T1/E1 or DS3/E3 link. The 10/100 NIC allows the Probe to communicate with the Observer console via TCP/IP , or to capture packets from a 10/100 network.
9 Inst alling the Interface Cards and Drivers Safety and Handling Precautions Danger! Electrical current from power , phon e and communications cables can be hazardous. T o avoid potential shock hazards: • Only use grounded sockets for connecting equipment to the power supply .
10 Installing the Interface Cards Inst alling the Interface Cards Have the computer manual available a nd if necessary , a key or screwdriver to open the cover . 1. Install the Network Instruments Pr obe Software as described in the RMON1/2 & Advanced Pr obe User Guide .
Installing the Interfac e Cards and Drivers 11 Make sure that the contacts of the network cards are co rrectly aligned with the PCI bus slots on the motherboard. Push the network cards down vertically until they are properly seated in the bus slots. 9.
12 Updating the W AN and 10/100 Drivers W AN and 10/100 Driver Inst allation: Windows 2000 The procedure for each NIC is different becau se of the way W indows 2000 recognizes the two cards: • The W.
Installing the Interfac e Cards and Drivers 13 2. Choose “Search for a suitable driver for my device.” Click Next . The wizard asks where it should look for the driver files: 3. Choose “Specify a Location” and click Next . The wizard displays a file locator: 4.
14 Updating the W AN and 10/100 Drivers The wizard tells you which driver it found: 5. Click Next . The wizard informs you that the driver it found lacks a Microsoft digital signature: 6. Click Ye s . Network Instruments has tested and verified that the driver works correctly with Observer and Probe on W indows 2000.
Installing the Interfac e Cards and Drivers 15 Manually Updating the 10/100 NIC Dr iver by Specifying a Directory Although W indows 2000 reports that it found the correct driver for the Network Instruments 10/100 NIC, the standard driver th at it has installed needs to be updated to work best with Network Instruments Probe or Observer .
16 Updating the W AN and 10/100 Drivers The Upgrade Device Driver W izard ’s We l c o m e dialog is displayed. Click Next and the wizard asks you whether you want to search for a driver or pick one from a list: 4. Choose “Search for a suitable device” and click Next .
Installing the Interfac e Cards and Drivers 17 The wizard displays a file locator dialog: 6. Enter (or browse to) the following path (assuming the Observer directory is C:Observer): c:Observer Filesdriversintel21 143win2000 7.
18 Updating the W AN and 10/100 Drivers 8. Choose “Install one of the other drivers” and click Next . The wizard shows a list of drivers to pick from: 9.
Installing the Interfac e Cards and Drivers 19 Manually Updating the NIC Drivers 1. From the desktop St a r t menu, highlight My Computer and right-click. Choose Properties... on the pop-up menu. Click the Hardware tab on the resulting properties dialog, and the following is displayed: 2.
20 Updating the W AN and 10/100 Drivers Properties... and click the Driver tab on the resulting dialog, which will display the properties for that device. 4. Click Update Driver ... , The Hardware Update W izard asks you how you want it to install the driver: 5.
Installing the Interfac e Cards and Drivers 21 The W izard then shows you what it thinks is the matching driver: 7. Click Have Disk... , and a file locator dialog is displayed: 8.
22 Updating the W AN and 10/100 Drivers The wizard then displays the driver it found : Depending on which card you have installed, one of the following adapters will be listed: DS3/E3/HSSI W AN Analyzer (Digital) T1/E1 W AN Analyzer (Digital) T1 W AN Analyzer (Serial) 9.
Installing the Interfac e Cards and Drivers 23 10. Click Continue Anyway . Network Instruments has tested and verified that the driver works correctly with Probe and Observer on W indows XP . 1 1. After the wizard finishes installing the driver , Click Finish to close the confirmation dialog.
24 T AP S tatus LEDs and Switches performed a Clear All and Rescan ), the utility will assign a logical link to each port, as shown in this two-card example: T o create a link, use Shift+Click to select the ports you want to add to the link and choose Link->Add Selected Ports to Link->New .
Installing the Interfac e Cards and Drivers 25 Digit al T1/E1 T AP Digit al DS3/E3 T A P Serial T1 T AP HSSI T AP TEST LOOP POWER TO PROBE NETWORK INTERF ACE UNIT INTERF ACE SELECTOR E1 T1 RJ BANT AM E1 T1 RJ BANT AM LOOP Should remain unlit for normal operation.
26 T AP S tatus LEDs and Switches.
27 Running Observer Software with the W AN Probe After you have installed the W AN Probe Kit hardware, drivers, and Probe software, you can run Network Instruments Observer to co nnect to the Probe and begin analyzing the network. T o connect to the Probe, follow these steps: 1.
28 W AN Probe/Device Setup Digit al DS3/E3/HSSI Probe Settings Digit al T1/E1 Probe Settings Setting Explanation W AN/Frame Relay Type Choose DS3 (T3) , E3 or HSSI to match the type of link you are analyzing. Encapsulation Y ou must set this to ma tch the settings on the frame relay CSU/DSU.
Running Observer Software with the W AN Probe 29 Serial T1/E1 Probe Settings Operating Observer Passively When analyzing a W AN link via the Observer Probe, Observer runs “passively .” Passive operation guarantees that analysis will not af fect the W AN link; however , it does have some implications when running Observer.
30 Analyzing a W AN Link with Observer • Efficiency History • Replay Packet Capture Analyzing a W AN Link with Observer In general, the W AN analysis works much like Ethernet analysis.
Running Observer Software with the W AN Probe 31 T o set the CIR for a DLCI or group of DLCI s, click the edit DLCI CIR button on the Discover Network Names mode window . The following dialog is displayed: Add a DLCI (or select one from the list and click Modify ).
32 Analyzing a W AN Link with Observer pie, graph and dial views. The display setup dialog (click Settings to access), lets you choose what ports to display as well as color an d scale options. The Bandwidth Utilization display is not su bject to any filters as it compares the actual activity on the network to the network’s theoretical capacity .
Running Observer Software with the W AN Probe 33 W AN Load by DLCI In a W AN installation, Observer ’ s Network Activity Display is called W AN Load by DLCI. This mode shows critical W AN transfer rate and conges tion statistics in a number of formats.
34 Analyzing a W AN Link with Observer The W AN Load by DLCI mode in dial vi ew shows transfer rate, CRC error rate, FECN/BECN frame rates graphed on dial meters. DLCI CIR Setup Click Settings and then the DLCI CIR Setup tab to display a dialog that lets you enter DLCIs and their corresponding Committed In formation Rates.
Running Observer Software with the W AN Probe 35 T op T alkers Just as in standard Observer , T op T alkers sh ows the IP and MAC address of stations on your network sorted by volume of traffic generated and received. In W AN Observer , the MAC Address tab shows DLCIs sorted by volume of traffic.
36 Analyzing a W AN Link with Observer Choose the desired filter rule from the menu. A dialog is displayed letting you set the filter rule options. Refer to the Observer Refe rence Guide and online help for further information about using filters and editing rules.
Running Observer Software with the W AN Probe 37 Check the alarms you wish to set, then click the T riggers tab to set the criteria by which the alarms will be triggered: Note that most W AN alarms ca.
38 Notes:.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Network Instruments WAN Probe Kit è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Network Instruments WAN Probe Kit - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Network Instruments WAN Probe Kit imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Network Instruments WAN Probe Kit ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Network Instruments WAN Probe Kit, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Network Instruments WAN Probe Kit.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Network Instruments WAN Probe Kit. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Network Instruments WAN Probe Kit insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
