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Endace DAG 3.6E User Manual

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DAG 3.6E Card User Manual
2.5.5r1

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  • Page 1 DAG 3.6E Card User Manual 2.5.5r1...
  • Page 2 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com Leading Network Intelligence Copyright © 2005. Published by: ® Endace Measurement Systems Building 7 17 Lambie Drive PO Box 76802 Manukau City 1702 New Zealand Phone: +64 9 262 7260 Fax: +64 9 262 7261 support@endace.com...
  • Page 3 An example can be in more than one sentence. Results generated by example command-lines are also displayed in mono-space courier font. • The software version references such as 2.3.x, 2.4.x, 2.5.x are specific to Endace Measurement Systems and relate to Company software products only. Protection Against Harmful Interference When present on product this manual pertains to and indicated by product labelling, the statement "This device complies...

  • Page 4: Table Of Contents

    3.1 DAG Cards Sensitivity....................9 3.1.1 DAG 3.6 EP Card Sensitivity ................... 9 3.1.2 DAG 3.6ET Card Sensitivity ..................9 3.2 Interpreting DAG 3.6E Card LED Status ..............10 3.2.1 DAG 3.6EP Card LED Status ................. 11 3.2.2 DAG 3.6ET Card LED Status................. 11 3.3 DAG Card Capture Session ..................
  • Page 5 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 6. 8 August 2005.

  • Page 6: Preface

    1.0 PREFACE Introduction The installation of the Endace DAG 3.6E card on a PC begins with installing the operating system and the Endace software. This is followed by fitting the card and connecting the ports. The characteristics include card architecture, extended functions, and system requirements.

  • Page 7: Dag 3.6E Card Product Description

    1.2 DAG 3.6E Card Product Description The DAG Ethernet port will operate in half duplex or full duplex modes. The DAG 3.6E card by default finds the fastest link configuration possible with the peer device using Ethernet Autonegotiation. Figure Figure 1-1 shows a DAG 3.6E series card.

  • Page 8: Dag 3.6Ep Card Architecture

    1.3 DAG 3.6E Card Series Architecture , continued Figure Figure 1-2 shows the DAG 3.6E card series major components and process flow. Figure 1-2. DAG 3.6E Card Series Major Components and Process Flow. In this section This section covers the following topics of information.

  • Page 9: Dag 3.6Et Card Architecture

    PCI bus and then all records are written to host memory. Description The DAG 3.6E and associated data capture system minimum operating requirements are: • PC, at least Pentium II 400 MHz, Intel 440BX, GX or newer chip set •...

  • Page 10: Installing Dag 3.6E Card

    2.0 INSTALLING DAG 3.6E CARD Introduction A DAG 3.6E card can be installed in any free Bus Mastering PCI slot. Although the driver supports up to four DAG cards by default in one system, due to band width limitations there should not be more than two cards on a single PCI-bus.

  • Page 11: Connecting Dag Card Ports

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 2.2 Connecting DAG Card Ports Description The DAG 3.6EP and DAG ET card ports are for ethernet connection, and one port for time synchronisation. In this section This section covers the following topics of information.

  • Page 12: Connect Dag 3.6Et Card Ports

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 2.2.2 Connect DAG 3.6ET Card Ports Description The two DAG 3.6ET RJ45 ports should be connected in series with an existing ethernet link. Typically, the DAG card is connected between a...

  • Page 13: Timing Synchronization

    2.2.3 Timing Synchronization Description The DAG 3.6E has a third RJ45 socket near the PCI connector for time synchronization input. This port should never be connected to an Ethernet network or telephone line. Copyright, all rights reserved.

  • Page 14: Confidence Testing Dag 3.6E Card

    3.0 CONFIDENCE TESTING DAG 3.6E CARD Introduction The confidence testing is a process to determine the DAG 3.6E card series is functioning relative to the LED functions status. The process also involves a card capture session, and configuration in the style of what you can see you can change.

  • Page 15: Interpreting Dag 3.6E Card Led Status

    ( ) as well as via the manual page. dagthree –h Status LED’s The DAG 3.6E has 12 status LEDs, three are coloured orange, and nine green. Figure Figure 3-1 shows the DAG 3.6E status LED’s. Figure 3-1. DAG 3.6E Status Lights.

  • Page 16: Dag 3.6Ep Card Led Status

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 3.2.1 DAG 3.6EP Card LED Status LED definitions The DAG 3.6EP card LED function definitions are: Description LED 1 Link Activity Port A LED 2 Link Up Port A...

  • Page 17: Dag Card Capture Session

    3.3 DAG Card Capture Session Description The DAG 3.6E uses two ASIC framer devices to support capturing of Ethernet data frames. The card supports both 10Base-T and 100Base-TX standards. The default behaviour is to autodetect the correct link speed, however the configuration can be forced if necessary.
  • Page 18 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 3.3 DAG Card Capture Session , continued Procedure (continued) Step 4. Check FPGA Images Loaded Before starting to configure the card, ensure the most recent pair of FPGA images have been loaded onto the card.

  • Page 19: Configuration In Wysycc Style

    [no]align64 Step 3. Force DAG 3.6E to 10Mbps Mode. While monitoring a Mbps connection and autodetection fails to switch to 10Mbps, use to force DAG 3.6E to 10Mbps mode. dagthree 10 Copyright, all rights reserved. Revision 6. 8 August 2005.

  • Page 20: Inspect Interface Statistics

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 3.5 Inspect Interface Statistics Description Once the card has been configured, the interface statistics are inspected to check the card is locked to the data stream. dag@endace:~$ dagthree -d dag0 -si The tool displays a number of status bits with their current values.
  • Page 21 A network link fault problem is indicated if any other bits are numeral 1. fault corrective This may or may not be related to addition of the DAG 3.6E card. action All cabling is checked, ensuring that runs are not too long and plugs firmly clipped into connectors.

  • Page 22: Reporting Problems

    3.6 Reporting Problems Description Support is provided with a service contract. If problems with a DAG card or supplied software, contact Endace Technical Support via the email address support@endace.com. Supplying sufficient information in an email enables effective response. Problem...
  • Page 23 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 6. 8 August 2005.

  • Page 24: Running Dag Card Data Capture Software

    Description Load directory. Move to directory and load driver, and load Xilinx receive image to each DAG. For example, with one DAG 3.6E card installed: tools/dagrom -rvp –d dag0 –f xilinx/dag36epci-erf.bit tools/dagld -x –d dag0 –f xilinx/dag36epp-erf.bit Set physical layer Set and check the integrity of the physical layer integrity.
  • Page 25 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 4.1 Starting DAG Card Capture Session , continued Process (continued) Process Description Set session The card can operate in two modes: parameters. Variable length capture ( varlen Fixed length capture (...

  • Page 26: High Load Performance

    DAG card. Any loss can be detected in-band by observing the Loss Counter lctr field of the Extensible Record Format. The Endace ERF is detailed in Chapter 7 of this document. Continued on next page Copyright, all rights reserved.
  • Page 27 64MB or more. 128MB or more is suggested for Linux/FreeBSD. For the DAG 3.6E card Windows operating system the upper limit is 32MB. In Debian Linux the amount of memory reserved is changed by editing the...

  • Page 28: Synchronizing Clock Time

    Common synchronisation sources include GPS or CDMA (Cellular telephone) time receivers. Endace produces the TDS 2 Time Distribution Server modules and the TDS 6 units that enable multiple DAG cards to be connected to a single GPS or CDMA unit.

  • Page 29: Configuration Tool Usage

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 5.1 Configuration Tool Usage Description The DUCK is very flexible, and can be used in several ways, with or without an external time reference source. It can accept synchronisation from several input sources, and can also be made to drive its synchronisation output from one of several sources.

  • Page 30: Time Synchronization Configurations

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 5.2 Time Synchronization Configurations Description The DUCK is very flexible, and can be used in several ways, with or without an external time reference source. The use includes a single card with no reference, two cards with no reference, and a card with reference.

  • Page 31: Two Cards No Reference Time Synchronization

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 5.2.2 Two Cards no Reference Time Synchronization Description When two DAG cards are used in a single host PC with no reference clock, the cards are to be synchronized in some way if timestamps between the two cards are to be compared.

  • Page 32: Card With Reference Time Synchronization

    [PPS] signal from external sources. sources This is derived directly from a reference source, or distributed through the Endace TDS 2 [Time Distribution Server] module which allows two DAG cards to use a single receiver. More cards can be accommodated by daisy-chaining TDS-6 expansion units to the TDS-2 unit, each providing outputs for an additional 6 DAG cards.
  • Page 33 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 5.2.3 Card with Reference Time Synchronization , continued Using external To use an external clock reference source, the host PC’s clock must be reference accurate to UTC to within one second. This is used to initialise the source DUCK.

  • Page 34: Synchronization Connector Pin-Outs

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 5.3 Synchronization Connector Pin-outs Description DAG cards have an 8-pin RJ45 connector with two bi-directional RS422 differential circuits, A and B. The PPS signal is carried on circuit A, and the serial packet is connected to the B circuit.
  • Page 35 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 6. 8 August 2005.

  • Page 36: Data Formats Overview

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 6.0 DATA FORMATS OVERVIEW In this chapter This chapter covers the following sections of information. • Data Formats • Timestamps 6.1 Data Formats Description The DAG card uses the ERF Type 2 Ethernet Variable Length Record.
  • Page 37 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 6.1 Data Formats , continued , continued Data format Data Format Description flags: This byte is divided into 2 parts, the interface identifier, and the capture offset. 1-0: capture interface 0-3...

  • Page 38: Timestamps

    Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 6.1 Data Formats , continued Table Table 7-2 shows the Type 2 Ethernet variable length record. The diagram is not to scale. timestamp timestamp type:2 flags rlen lctr wlen...
  • Page 39 Endace Measurement Systems Limited EDM01.05-05r1 DAG 3.6E Card User Manual http://www.endace.com 6.2 Timestamps , continued Description,continued Example code Here is some example code showing how a 64-bit ERF timestamp (erfts) can be converted into a struct timeval representation (tv). unsigned long long lts;...

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