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Endace DAG 3.6GE User Manual

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DAG 3.6GE Card User Manual
2.5.5r1

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  • Page 1 DAG 3.6GE Card User Manual 2.5.5r1...
  • Page 2 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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

    2.3 DAG 3.6GE Card Sensitivity..................6 3.0 CONFIDENCE TESTING....................7 3.1 Interpreting DAG 3.6GE Card LED Status..............7 3.2 DAG 3.6GE Card LED Display Functions ..............8 3.3 Configuration in WYSYCC style..................9 3.4 DAG 3.6GE Card Capture Session ................10 3.5 Inspect Interface Statistics.....................
  • Page 5 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 7. 22 September 2005.

  • Page 6: Preface

    EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 1.0 PREFACE Introduction The installation of the Endace DAG 3.6GE 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. Viewing this This document, DAG 4.2GE Card User Manual is available on the...

  • Page 7: Dag 3.6Ge Card Product Description

    Figure 1-1. DAG 3.6GE series PCI Card. 1.3 DAG 3.6GE Card Architecture Description The DAG 3.6GE PCI-bus card is designed for cell and packet capture and generation on IP networks. Serial Ethernet data is received by the interface, and fed through a framer into the first of the two Xilinx FPGAs.

  • Page 8: Dag 3.6Ge Card Extended Functions

    This is configured as if the DAG was a NIC, and can be connected to a hub, switch or router port directly. The DAG 3.6GE can also be connected to a NIC card using an Ethernet cross-over cable. The DAG captures all packets received on this port, similar to a NIC in promiscuous mode.
  • Page 9 , continued Operating For convenience, the Debian 3.1 [Sarge] Linux system is included on the system Endace Software Install CD. Endace currently supports Windows XP, Windows Server 2000, Windows Server 2003, FreeBSD, RHEL 3.0, and Debian Linux operating systems. Different...

  • Page 10: Installing Dag 3.6Ge Card

    2.0 INSTALLING DAG 3.6GE CARD Introduction The DAG 3.6GE 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 bandwidth limitations there should not be more than one card on a single PCI-bus.

  • Page 11: Connect Dag 3.6Ge Card Ports

    NIC card using an Ethernet cross-over cable. The second DAG 3.6GE card RJ45 socket, near PCI connector, is for time synchronization input. This socket should never be connected to an Ethernet network or telephone line.

  • Page 12: Confidence Testing

    Description The DAG 3.6GE has 12 status LED’s with ten coloured green and two coloured orange. On the DAG 3.6GE card the LED 3 should come on when the card is powered up. Figure Figure 3-1 shows the DAG 3.6GE card LED locations.

  • Page 13: Dag 3.6Ge Card Led Display Functions

    The function of the DAG 3.6GE card LED displays include indication of packet capture activity and links on ports A and B, and PPS signals. Figure Figure 3-2 shows the correct LED state for DAG 3.6GE LED status on power-up with no network connection. Synchronization Input...

  • Page 14: Configuration In Wysycc Style

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 3.2 DAG 3.6GE Card LED Display Functions , continued Configuration utility supports configuration status and physical layer dagthree utility interface statistics for the DAG 3.x series of cards. In a troubleshooting configuration options should be passed to the –si...

  • Page 15: Dag 3.6Ge Card Capture Session

    This is followed by configuring the DAG card for normal use. Procedure Follow these steps for a successful DAG 3.6GE card capture session. Step 1. Check Cabling Ensure cabling is correctly connected and that RJ45 connectors are clipped into the sockets.

  • Page 16: Inspect Interface Statistics

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 3.4 DAG 3.6GE Card Capture Session , continued Procedure,continued Step 4. Configure DAG 3.6GE Card for normal use command is always used: dagthree default dag@endace:~$ dagthree default link noreset auto enablea packet...
  • Page 17 1000 If the RF or JB bits are 1's, this indicates a problem with the network link. This may or may not be related to the configuration of the DAG 3.6GE card. Check all cabling, ensuring that runs are not too long and that plugs are firmly clipped into their connectors.

  • Page 18: Reporting Problems

    3.6 Reporting Problems Description If there are unresolved 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 The exact information available to users for trouble, cause and correction checklist analysis may be limited by nature of the problem.
  • Page 19 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 7. 22 September 2005.

  • Page 20: Running Data Capture Software

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 4.0 RUNNING DATA CAPTURE SOFTWARE Introduction For a typical measurement session, ensure the driver is loaded, the firmware has been downloaded, and the card has been configured. In this chapter This chapter covers the following sections of information.
  • Page 21 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 4.1 Starting Capture Session , continued Process,continued Process Description Setting fixed length In fixed length mode, packets longer than the mode. selected slen are truncated to slen, but packets shorter than slen will produce records that are padded out to the slen length.

  • Page 22: High Load Performance

    4.2 High Load Performance Description As the DAG 3.6GE card captures packets from the network link, it writes a record for each packet into a large buffer in the host PC’s main memory. Avoiding In order to avoid packet loss, the user application reading the record, such...
  • Page 23 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com USE THIS SPACE FOR NOTES Copyright, all rights reserved. Revision 7. 22 September 2005.

  • Page 24: Synchronizing Clock Time

    Common synchronization 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 25: Configuration Tool Usage

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 synchronization from several input sources, and can also be made to drive its synchronization output from one of several sources.

  • Page 26: Time Synchronization Configurations

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 27: Two Cards No Reference Time Synchronization

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 28: 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 29 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 30: Synchronization Connector Pin-Outs

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 31 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 5.3 Synchronization Connector Pin-outs , continued Out-pin Normally the GPS input should be connected to the A channel input, pins connections 3 and 6. The DAG can also output a synchronization pulse; used when synchronizing two DAG cards without a GPS input.

  • Page 32: Data Formats Overview

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 33 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 6.1 Data Formats , continued Data Format Description flags: This byte is divided into 2 parts, the interface identifier, and the capture offset. 1-0: capture interface 0-3 2: varying record lengths present...

  • Page 34: Timestamps

    Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE 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 offset...
  • Page 35 Endace Measurement Systems Limited EDM01.05-04r1 DAG 3.6GE User Manual http://www.endace.com 7.2 Timestamps , 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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