Network Instruments WAN Probe Kit manuale d’uso

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. Limited Warranty—Software Network Instrum[...]

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 at (952) 932-9899 UK and Europe at +44 (0) 1959 569880 By fax (depending on where you are located): US & Countries outside of Europe at (952) 932-[...]

Contents © 2003 by Network Instruments, LLC iii Getting Started ................... ................................................................ 1 Installation Overview ............. ............................................................................... 1 Unpacking and Inspecting the Parts ............... .............................[...]

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. Inst allation Overview T o install the W AN Probe Kit, you must follow these overall steps: [...]

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. • One (1) 10/100 Ethernet Network Interface Card and cable: • The Network Instruments Pr oduct CD-ROM / Application CD , the WA N P ro b e [...]

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 1.3 GHz or AMD 1700 1 GHz or fas[...]

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. More detailed NIC and software installation instructions follow in this Guide . Digit al T1/E1 T AP Quick Inst allation Diagram (2-Port 1 ) The diagram below shows the W AN Pr obe Kit as it would [...]

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 . IN O UT Use[...]

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. Use the supplied 10/100 [...]

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. TX RX TX RX Router (DCE) CSU/DSU [...]

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. • For detailed card installation instruct[...]

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 . • Do not carry out any installation, maintena nce or (re)configurat[...]

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 . Y ou must install this software before you install the hardware so that W [...]

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. T ighten the locking screws on the fixing brackets until the cards are firmly connected to the co[...]

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 AN Interface card isn’t recognized at al l, so you need to have already installed the Network Instruments Probe software wh en you turn the system [...]

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. Enter or browse to the following directory (assuming C:Observer Files is your O[...]

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. After installing the driver , t[...]

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 . A custom dr[...]

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 . The wizard asks you where to search for the driver: 5. Choose “Specify a [...]

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. Click OK , and the following dialog is displayed:[...]

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. Choose “Network Instruments Intel 21 143 Based Adapter Driver” and click Next . After installing the device driver , the wizar d displays an information dialog telling you that the driver [...]

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. Click Device Manager ... The Device Manager browser is displ[...]

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. Choose “Install from a specific location” and click Next . The wizard then asks whe[...]

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. Enter (or browse to) the following path and click OK (assuming your Observer directory is C:Observer Files): C:Observer FilesDriversW AN[...]

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. Click Next. W indows informs you that the driver lacks a Microsoft digital sig[...]

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. 12. Repeat these same steps for updating the 10/100 NIC [...]

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 ... from the main menu (or right-click menu). The util[...]

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. Leave setting on RJ position. POWER light should be lit whenever T AP is cabled to Int[...]

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. Start Observer . From the To o l s menu, select Redirect Pr obe... 2. [...]

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. The encapsulation options are: -A TM-DXI - A TM Dat a Exc[...]

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. B ecause there is no l[...]

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. One difference is that, when appropriate, Observer identifies W AN lin ks by their Data Link Connection Identifier (DLCI) rather than by MAC address as is do ne [...]

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 ). T ype or use the spinbox to set the CIR in Kbits/sec for the DLCI . Click OK when yo[...]

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. This display can show you the h ealth of a W AN link at a glance and can warn of impending slow[...]

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. Y ou can eithe enter the [...]

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. Also, the sorting and charting statistical criteria [...]

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. T riggers and Alarms W AN Observer adds W AN-related criteria to the standard T rigg[...]

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 can be set on the DTE or DCE side or both; note also that the Committed Information Rate displayed is th at which you set in Discover Network Names mode[...]

38 Notes:[...]