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Endace DAG 6.1S User Manual

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Summary of Contents for Endace DAG 6.1S

  • Page 2 EDM 01-11v8 DAG 6.1S Card User Guide 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 www.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

    3.2 Splitter Losses ......................... 8 4.0 CONFIDENCE TESTING DAG 6.1S CARD ..............9 4.1 Interpreting DAG 6.1S Card LED Status................ 9 4.2 DAG 6.1S Card LED Display Functions ..............10 4.3 Configuration in WYSYCC Style ................. 11 4.4 dagsix Utility......................14 4.5 DAG 6.1S Card Capture Session ..................
  • Page 5 EDM 01-11v8 DAG 6.1S Card User Guide ©2005 Version 8: May 2006...

  • Page 6: Preface

    EDM 01-11v8 DAG 6.1S Card User Guide 1.0 PREFACE Introduction The installation of the Endace DAG 6.1S 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.

  • Page 7: Dag 6.1S Card Product Description

    Figure 1-1 shows the DAG 6.1S PCI-X card. Figure 1-1. DAG 6.1S PCI-X Card. Installed in a PCI-X 1.0 slot the DAG 6.1S card only operates at 66, 100, and 133 MHz PCI-X for full packet capture at line rate and allows recording of all header information and/or payload with a high precision timestamp.

  • Page 8: Dag 6.1S Card Architecture

    Figure 1-2. DAG 6.1S Card Major Components and Data Flow. 1.4 DAG 6.1S Card Extended Functions Description The shipped version of the DAG 6.1S does not contain a transmit path, it is intended to be used with fibre optic splitters. Contact the Endace customer support team at support@endace.com...
  • Page 9 , continued Operating For convenience, a 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 6.1S Card

    2.0 INSTALLING DAG 6.1S CARD Introduction Given the DAG 6.1S card can be installed in any free PCI-X 1.0 slot, it operates at 66, 100, and 133 MHz. The DAG 6.1S will not operate in 32 or 64-bit PCI slots.

  • Page 11: Connect Card Ports

    EDM 01-11v8 DAG 6.1S Card User Guide 2.2 Insert DAG 6.1S Card into PC , continued Procedure,continued Step 2. Fit Card Insert into PCI-X bus slot. Ensure free end fits securely into a card-end bracket that supports the card weight.

  • Page 12: Setting Dag 6.1S Card Optical Power

    DAG 6.1S Card LED Display Functions 3.1 DAG 6.1S Card Optical Power Input Description The optical power input into the DAG 6.1S card must be within a receiver’s dynamic range. When optical power is slightly out of range an increased bit error rate is experienced.

  • Page 13: Splitter Losses

    3.1 DAG 6.1S Card Optical Power Input , continued Input power The DAG 6.1S card is set up to measure the optical power at the receiver, and to make sure that it is well within the specified power range of -9 dBm.

  • Page 14: Confidence Testing Dag 6.1S Card

    • Reporting Problems 4.1 Interpreting DAG 6.1S Card LED Status Description The DAG 6.1S has a 8 status LEDs, three blue, one green, one orange, one yellow, and two red. Figure Figure 4-1 shows the DAG 6.1S status LEDs. Figure 4-1. DAG 6.1S Card Status LEDs.

  • Page 15: Dag 6.1S Card Led Display Functions

    4.2 DAG 6.1S Card LED Display Functions Description When a DAG 6.1S card is powered up the blue coloured LED 5 should always come on, and the remaining LED s such as green and yellow display for specific functions.

  • Page 16: Configuration In Wysycc Style

    EDM 01-11v8 DAG 6.1S Card User Guide 4.3 Configuration in WYSYCC Style Description Configuration in WYSYCC is the What You See You Can Change style. Running the command alone shows the current configuration. dagsix' Each of the items displayed can be changed as follows: Configuration Set card to normal defaults.
  • Page 17 EDM 01-11v8 DAG 6.1S Card User Guide 4.3 Configuration in WYSYCC Style , continued Process Follow these steps configure the DAG 6.1S card in what you see is what you can change style. Step 1. Check FPGA Images Before configuring the DAG 6.1S card, ensure the most recent FPGA image is loaded on the card.
  • Page 18 EDM 01-11v8 DAG 6.1S Card User Guide 4.3 Configuration in WYSYCC Style , continued , continued Process Step 3. Turn Pos Scrambling Off Type: dag@endace:~$ dagsix -d dag0 nopscramble link POS nolsfcl nolseql nofcl noeql nopscramble nocrc nopmin nopmax long=1502 short=9...

  • Page 19: Dagsix Utility

    4.5 DAG 6.1S Card Capture Session Description A successful DAG 6.1S card capture session is accomplished by checking receiver port optical signal levels and checking the card has correctly detected the link. This is followed by configuring the DAG card for normal use.

  • Page 20: Inspect Pos Interface Statistics

    -h 4.6 Inspect PoS Interface Statistics Description Once the DAG 6.1S card has been configured for PoS mode, the PoS interface statistics are inspected to check the card is locked to the data stream. dag@endace:~$ dagsix -d dag0 -si The tool displays a number of status bits that have occurred since last reading.
  • Page 21 EDM 01-11v8 DAG 6.1S Card User Guide 4.6 Inspect PoS Interface Statistics , continued Example The following is an example of a card locked to a PoS OC-192c stream carrying no traffic load: dag@endace:~$ dagsix –d dag0 –si FCS_ERR POS_PACKET...
  • Page 22 EDM 01-11v8 DAG 6.1S Card User Guide 4.6 Inspect PoS Interface Statistics , continued Optical light The following situation indicates a problem with optical light levels. levels dag@endace:~$ dagsix –d dag0 –si FCS_ERR POS_PACKET Although no signal is present, RPA is high, LOS and LOC may not be asserted.

  • Page 23: Inspect 10G Ethernet Interface Statistics

    EDM 01-11v8 DAG 6.1S Card User Guide 4.7 Inspect 10G Ethernet Interface Statistics Description Once the DAG 6.1S card has been configured for PoS mode, the 10G Ethernet interface statistics are inspected to check the card is locked to the data stream.
  • Page 24 EDM 01-11v8 DAG 6.1S Card User Guide 4.7 Inspect 10G Ethernet Interface Statistics , continued WAN Statistics For WAN mode, the following statistics are available. Receive Alarm Indication. The optics report a receive error. One or more of the following two bits will also be set.
  • Page 25 EDM 01-11v8 DAG 6.1S Card User Guide 4.7 Inspect 10G Ethernet Interface Statistics , continued Example The following is an example of a card locked to a 10G Ethernet LAN stream carrying no traffic load: dag@endace:~$ dagsix –d dag0 –si...
  • Page 26 EDM 01-11v8 DAG 6.1S Card User Guide 4.7 Inspect 10G Ethernet Interface Statistics , continued WAN Extended Extended statistics are also available. The following example shows statistics extended statistics for the above WAN configuration. dag@endace:~$ dagsix –d dag0 –ei RAI RLE RPA LOS LOC OOF LOF LOP LOF BER LFT RFT FCS_ERR BAD_PACKET GOOD_PACKET RXF...
  • Page 27 EDM 01-11v8 DAG 6.1S Card User Guide 4.7 Inspect 10G Ethernet Interface Statistics , continued Correct In order to correct the configuration, proceed as follows: configuration • Ensure RAI, RLE and RPA (first three columns) are zero, check light levels •...

  • Page 28: Reporting Problems

    4.8 Reporting Problems Description Support is provided with a service contract. When problems occur 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 29: Running Data Capture Software

    EDM 01-11v8 DAG 6.1S Card User Guide 5.0 RUNNING DATA CAPTURE SOFTWARE Introduction For a typical measurement session, ensure the driver is loaded, the firmware is downloaded, and the card has been configured. In this chapter This chapter covers the following sections of information.
  • Page 30 EDM 01-11v8 DAG 6.1S Card User Guide 5.1 Starting Data Capture Session , continued Process (continued) Process Description Variable length mode. The DAG 6.1S always operates in variable- length mode. The number of bytes collected from the packet is configured with .

  • Page 31: High Load Performance

    Capture at OC-12/STM-4 (622Mbps) rates and above may require a larger buffer. 128MB or more is suggested for Linux/FreeBSD. For the DAG 6.1S card Windows operating system the upper limit is 256MB. In Debian Linux the amount of memory reserved is changed by editing the...
  • Page 32 EDM 01-11v8 DAG 6.1S Card User Guide ©2005 Version 8: May 2006...

  • Page 33: 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 34: Configuration Tool Usage

    EDM 01-11v8 DAG 6.1S Card User Guide 6.1 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 35: Time Synchronization Configurations

    EDM 01-11v8 DAG 6.1S Card User Guide 6.2 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 36: Two Cards No Reference Time Synchronization

    EDM 01-11v8 DAG 6.1S Card User Guide 6.2.2 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 37: 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 38 EDM 01-11v8 DAG 6.1S Card User Guide 6.2.3 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 39: Synchronization Connector Pin-Outs

    EDM 01-11v8 DAG 6.1S Card User Guide 6.3 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 40 EDM 01-11v8 DAG 6.1S Card User Guide ©2005 Version 8: May 2006...

  • Page 41: Data Formats Overview

    Timestamps 7.1 Data Formats Description The DAG 6.1S card uses the ERF Type 1 POS HDLC Variable Length Record. Timestamps are in little-endian [Pentium native] byte order. All other fields are in big-endian [network] byte order. All payload data is captured as a byte stream, no byte re-ordering is applied.
  • Page 42 EDM 01-11v8 DAG 6.1S Card User Guide 7.1 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 3: truncated record [insufficient buffer space]...

  • Page 43: Timestamps

    EDM 01-11v8 DAG 6.1S Card User Guide 7.1 Data Formats , continued Table Table 7-3 shows the Type 2 Ethernet variable length record. The diagram is not to scale. timestamp timestamp type:2 flags rlen lctr wlen offset rlen-18 bytes of frame Table 7-3.
  • Page 44 EDM 01-11v8 DAG 6.1S Card User Guide 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; struct timeval tv;...

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