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IXIA IxWLAN User Manual

Test and measurement device that emulates up to 128 wireless stations
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IxWLAN
User Guide
™
Release 6.20
Part No. 913-0073-03 Rev A
May 2007

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Summary of Contents for IXIA IxWLAN

  • Page 1 IxWLAN User Guide ™ Release 6.20 Part No. 913-0073-03 Rev A May 2007...
  • Page 2 (c)(1)(ii) of the Rights in Technical Data and Computer Software clause at DFARS 252.227-7013 and FAR 52.227- Ixia, the Ixia logo, and all Ixia brand names and product names in this document are either trademarks or registered trademarks of Ixia in the United States and/or other countries.

  • Page 3: Table Of Contents

    Chapter 2 Installation Attaching the Antennas ......2-1 IxWLAN User Guide, Release 6.20...
  • Page 4 Bar......4-71 Menus and Tool Bars ......4-78 IxWLAN User Guide, Release 6.20...
  • Page 5 Summary Statistics ....... . 7-7 IxWLAN User Guide, Release 6.20...
  • Page 6 ........B-3 The Web-Based User Interface ..... . B-4 IxWLAN User Guide, Release 6.20...
  • Page 7 Cable........D-3 Appendix E Error and Status Messages IxWLAN or Virtual Station Control Messages ... .E-1 WLAN Driver Error Messages .
  • Page 8 Needs....... G-2 EU Declarations of Conformity (Europe) ....G-2 Glossary Index viii IxWLAN User Guide, Release 6.20...

  • Page 9: Chapter 1 Introduction

    Both configurations include the IEEE 802.11i and WiFi Protected Access (WPA) security features. IxWLAN can be used to reduce the number of PCs and station NIC cards that are needed to test and stage 802.11 products and wireless LANs in terms of packet...
  • Page 10 PC and station NIC cards that are needed to test and stage 802.11 products and wireless LANs. As of 6.20 version, IxWLAN is supported by two chassis, the IxWLAN SED and the IxWLAN SED-MR+. IxWLAN SED Figure 1-1 shows the IxWLAN SED chassis.

  • Page 11: Packaging Checklist

    Warranty card • End User License Agreement • Installation CD-ROM, which includes this User Guide and the IxWLAN SDK. If any of these items is not included in your shipping container, contact Ixia Cus- tomer Support. IxWLAN User Guide, Release 6.20...

  • Page 12: Features

    Supports 802.11h Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC) • The IxWLAN SED chassis emulates up to 64 concurrent virtual stations, while the IxWLAN SED-MR+ chassis supports up to 128 virtual stations. • Interaction with virtual stations in real time •...

  • Page 13: Using The Cli

    Configuration and monitoring of virtual stations include: copy, paste, print, add, and delete virtual stations • The ability to select a System Under Test • The ability to set up groups and select individual virtual stations to run through the 802.11 state machine IxWLAN User Guide, Release 6.20...

  • Page 14: Wpa/Rsn

    The strength of WPA/RSN comes from an integrated sequence of operations that encompass 802.1X/EAP authentication and sophisticated key management and encryption techniques. The IxWLAN implementation of WPA/RSN provides the following major opera- tions: • Network security capability determination – This occurs at the 802.11 level and it is communicated through the WPA/RSN information elements in Bea- con, Probe Response, and (Re) Association Requests.
  • Page 15 Under Test. For WPA-PSK or RSN-PSK mode, the PSK (if defined) is used as the PMK. The PSK is manually configured in the vSTA and the System Under Test. IxWLAN 5.0 Limitation – The WPA Specification needs a PSK for each SSID. IxWLAN now supports a single (global) SSID. •...

  • Page 16: Files

    Files The IxWLAN SED and the IxWLAN SED-MR+ chassis have a 256MB “disk- on-a-chip” flash. Excluding boot and firmware images, this allows for 225 MB of file system space to be used for event logging, certificate files, and scenario files.
  • Page 17 CLI administrative mode. Do not delete this file or try to access or modify it. The system needs it. /Cache Encapsulated When a certificate file is imported into IxWLAN, a password is needed. certificate file This password is encrypted and stored in IxWLAN in the /Cache passwords directory.

  • Page 18: System Needs

    Ext. Traffic Generator gei:0 10/100/1000 The Mgmt. Port (Management Port) is used for managing IxWLAN via the GUI, Telnet, or SDK (running over Telnet) or for downloading the ixwlan.sys image. All IxWLAN IP address commands (get/set ipaddr, get/set ipmask, get/set gateway) apply only to the Management Port.
  • Page 19 One WLAN LED indicates WLAN traffic (send/receive), while the others indi- cate network status — solid on — radio is on, slow blink — IxWLAN is scan- ning, fast blink (per received beacon) — IxWLAN is joined with an AP.

  • Page 20: General Usage Notes

    54 Mb/s using OFDM. In the 802.11b mode, IxWLAN operates in the 2.4 GHz band and sends data at up to 11 Mb/s. In the 802.11g mode, IxWLAN operates in the 2.4 GHz band, using OFDM at rates of up to 54 Mb/s.

  • Page 21: Feature Key Dependent Parameters

    Introduction Feature Key Dependent Parameters less mode does not discover an 802.11b or 802.11g device. Make sure that the wireless mode that you select for IxWLAN is compatible with the device that you want to test. See IxWLAN->Configure IxWLAN on page 4-44 and...
  • Page 22 Security->PSK Tab: Passphrase Configuration-> No equivalent TLS, TTLS, or PEAP WPA/RSN Security->EAP Tab: EAP Algorithm Configuration-> No equivalent User ID WPA/RSN Security->EAP Tab: User ID Configuration-> No equivalent Certificate File WPA/RSN Security->EAP Tab: Client Certfile 1-14 IxWLAN User Guide, Release 6.20...
  • Page 23 Runtime tab->Roam Type Reassociation Config IxWLAN> get bootscan, setbootscan Enabled/ Disabled/All 802.11 a/ b/ g IxWLAN->Radio ->Scan at Boot Modes Mode Config IxWLAN> get bkjoin, set bkjoin Enabled/ Disabled 802.11 a/ b/ g IxWLAN->Radio ->Background Join IxWLAN User Guide, Release 6.20 1-15...
  • Page 24 11ABG-WPA/RSN 11A, 11B, 11G, WPA/RSN You can purchase an upgraded license from Ixia to add new features. You can enter your new license key in the Update IxWLAN dialog or use the set features CLI command. 1-16 IxWLAN User Guide, Release 6.20...

  • Page 25: Chapter 2 Installation

    Connecting to the Serial Port on page 2-3. Attaching the Antennas To be able to use the IxWLAN SED/IxWLAN SED-MR+ chassis, the antennas must be attached. IxWLAN SED Twist the multiband antennas into the two antennas ports labeled 802.11bg and 802.11a.

  • Page 26: Connecting Directly To A Command Pc

    Connecting Directly to a Command PC Connecting Directly to a Command PC To connect the IxWLAN SED/IXWLAN SED-MR+ chassis to a command PC: Connect one end of the supplied Ethernet crossover cable to the Ethernet port on the command PC.

  • Page 27: Connecting Through An Ethernet Hub Or Switch

    Figure 2-2. Connecting the IxWLAN SED/SED-MR+ Chassis Through an Ethernet Hub or Switch The IxWLAN SED/SED-MR+ chassis has a separate data port —Ext. Traffic Generator—which is used exclusively for the attachment of traffic generators and has no associated IP stack/address.
  • Page 28 Installation Connecting to the Serial Port IxWLAN User Guide, Release 6.20...

  • Page 29: First Setup

    To configure the Command PC and then access the web-based user interface or Attached to Port on CLI, when the Command PC is attached to the Mgmt Port on the IxWLAN SED: IxWLAN SED Click Control Panel from the Start menu on the PC.
  • Page 30 Click the Use the following IP address radio button and type the IP address for the Ethernet connection. Use an IP Address that resides on the same IP subnet as IxWLAN. For example, use 192.168.0.2 if you are using IxW- LAN's default IP address 192.168.0.50.
  • Page 31 Every Visit to Page radio button is clicked in the Settings dialog. This step is needed only the first time you use the web-based user interface. Add the IxWLAN IP Address to your list of Trusted Sites and set the security level to Low for trusted sites. •...
  • Page 32 • Click OK in the Trusted sites dialog. • Click OK in the Internet Options dialog. Use the IxWLAN default IP address 192.168.0.50 for the first setup, as shown in Figure 3-4. Figure 3-4. First Setup Example...

  • Page 33: Using The Serial Port

    First Setup Using the Serial Port Using the Serial Port If the command PC is connected to the IxWLAN chassis via the serial port, the web-based user interface is not available. To configure the Command PC and then access the CLI: On the Command PC, start a terminal-emulation program such as HyperTer- minal.
  • Page 34 B0 b8810001 B2 b8810101 Starting WLAN ... Starting quick passive scan ... Passive scanning 5 GHz 54Mbps (802.11a) channels for 7 seconds... Ixia IxWLAN Ready To open the IxWLAN logon prompt, press the ENTER key: IxWLAN login: IxWLAN User Guide, Release 6.20...
  • Page 35 First Setup Using the Serial Port When the IxWLAN logon prompt opens, use the information in Chapter 5, Command Line Interface (CLI) to log on and access the CLI. IxWLAN User Guide, Release 6.20...
  • Page 36 First Setup Using the Serial Port IxWLAN User Guide, Release 6.20...

  • Page 37: The Web-Based User Interface

    Please contact the Ixia Customer Support when this dialog opens. To start the IxWLAN software and log on: Start Internet Explorer. Type the IP address of the IxWLAN chassis in the URL address field of the browser (for example, http://10.205.15.50). Type your user name and password, as shown in Figure 4-1.
  • Page 38 The user name and password are case-sensitive. Figure 4-1. Startup and Login Click OK to access the IxWLAN web server. After successful logon, a splash page opens for a few seconds. NOTE: If pop-up blocker software is installed on your system, this splash page opens an error message.

  • Page 39: Choosing And Creating A Scenario

    Click No to delete the virtual station definitions and create a new, empty sce- nario. • Click Cancel to retain the virtual stations in IxWLAN but not create a new, empty scenario. When the main page opens, you can view the Scenario Summary Report, Group Summary Report, and Event Log for these existing virtual stations.
  • Page 40 4-4. Figure 4-4. Open Scenario Dialog The list box shows a list of scenario files in IxWLAN. Click the BrowsePC… button to show scenario files stored on the command PC. Click a file name in the list of scenario files.
  • Page 41 If you have successfully opened a scenario file or chosen to use one that is already defined in IxWLAN, you can continue with the testing functions that are available in the menus and tool bars. For more information, please refer to Running a Test on page 4-9.
  • Page 42 Creating an Internal For a simple internal mode/ping test: Mode/Ping Test Click New Group from the vSTA side bar to open the New IxWLAN Group dialog, as shown in Figure 4-6. Figure 4-6.
  • Page 43 4-9 for procedures needed to run this test. Creating an For an external mode test, a third-party load generator outside IxWLAN must be External Mode Test set up to provide the traffic to be forwarded to the System Under Test.
  • Page 44 The Web-Based User Interface Choosing and Creating a Scenario Select New Group from the vSTA side bar to open the New IxWLAN Group dialog, as shown in Figure 4-8. Figure 4-8. Select New Group from vSTA Side Bar For layer 3, the source IP on your load generator must match the starting IP address assigned to the first vSTA on IxWLAN.
  • Page 45 Allows you to run a test for selected virtual stations or groups. If you have not joined with a System Under Test, the dialog shown in Figure 4-10 on page 4-10 opens. IxWLAN User Guide, Release 6.20...
  • Page 46 (internal or external). If there are no SSIDs listed in the main page, the Select System Under Test dialog does not show any systems to join. If this is the case, click the Rescan button in the main page to instruct IxWLAN to look for systems to test.
  • Page 47 The Web-Based User Interface Choosing and Creating a Scenario Click the Select SUT button in the IxWLAN side bar. Figure 4-11. Select SUT Dialog If you have created a new scenario and have not saved it using the Save Scenario...
  • Page 48 NOTE: Do not use colon (:), asterisk (*), question mark (?), quotes (“ “), less- than/greater than signs (< >), vertical bar (|), or spaces in a file name. • Click the Save (IxWLAN) button to save the scenario in the IxWLAN flash file system. •...
  • Page 49 When an internal mode/ ping test is complete, the Run State shows Done. NOTE: Any interaction with a running test can affect the operation of the test, which may result in skewed statistics. IxWLAN User Guide, Release 6.20 4-13...

  • Page 50: Using The Main Page

    • In the main window of the IxWLAN SED chassis, the BSSIDs for the other two wports, which are available in the IxWLAN SED-MR+ chassis main win- dow, are disabled, appearing dimmed, as well as the corresponding SUT- selection buttons.
  • Page 51 The Web-Based User Interface Using the Main Page For the IxWLAN SED chassis, the main window has a similar appearance, except for the two other wports, which are dimmed. Figure 4-16 shows a scenario with one virtual station group defined and the Group Control tab selected.
  • Page 52 IxWLAN functions (Figure 4-18). Figure 4-18. Menu Tool Bar Status tool bar: The top-right tool bar shows the status of IxWLAN, the multira- dio mode (Static or Dynamic), and the current time on the command PC (Figure 4-19).
  • Page 53 System Under Test status tool bar: It is located under the Menu and Status tool bars and shows the BSSID(s) and buttons to choose SUT(s) for specific wports. The status (for example, Not Found) next to the BSSID/MAC address indicates the current status of IxWLAN with a System Under Test (Figure 4-20).
  • Page 54 Reports tool bar shows the elapsed duration of a test that is in progress or the most recent test that completed (Figure 4-25). Figure 4-25. Test Clock Side Bar Buttons: The side bar buttons are used to select vSTA, IxWLAN, Monitor, Report, Event Log, and Configuration functions in the web-based user interface (Figure 4-26).
  • Page 55 Total: Shows the total number of virtual stations in each group. Down: Shows the total number of virtual stations in a group that have not been configured in IxWLAN and are in a down state. Conf (Configured): Shows the total number of virtual stations in each group that have been configured in IxWLAN.
  • Page 56 4-28. Figure 4-28. Group Tabs GID: The global ID is a unique ID that is assigned by IxWLAN to each virtual station in a scenario group. It is an unique ID across all groups in IxWLAN. The GID is the vSTA ID.
  • Page 57 Click the Reset button to return the columns to their default setting. Load Profile The Load Profile section of the page can be used to automatically execute scenar- ios at scheduled intervals, as shown in Figure 4-30 on page 4-22. IxWLAN User Guide, Release 6.20 4-21...
  • Page 58 4-31. Figure 4-31. System to Test Click the Rescan button to instruct IxWLAN to rescan for all systems. The devices shown in this list box are shown in the Select System Under Test dialog, that allows you to choose a system to test.
  • Page 59 When an Invalid Data dialog opens, click OK and retype a value that is within the allowable range for the field. Using Load Profiles Load Profiles allows you to control the execution of virtual stations: Unsched- uled or Scheduled, as shown in Figure 4-35. IxWLAN User Guide, Release 6.20 4-23...
  • Page 60 (all virtual stations within the group) or by individual virtual sta- tions. NOTE: When requests are batched for transmission, they may not be sent at the scheduled interval defined by the Load Profile. See the Batch IxWLAN Requests field in the Configure IxWLAN dialog (see IxWLAN->Configure IxWLAN on page 4-44).

  • Page 61: Vsta Side Bar

    After a five-second delay, the web-based user interface instructs IxWLAN to run four virtual stations. Every five seconds thereafter, the web-based user interface instructs IxWLAN to run another four virtual stations until all virtual stations are executed. The graph depicts this scheduling scheme.
  • Page 62 • The Cancel button allows you to exit the dialog. vSTA->New Group->vSTA The vSTA section of the New IxWLAN Group dialog defines the range of IP and MAC addresses to be used by virtual stations, as shown in Figure 4-37...
  • Page 63 The maximum number of vSTAs for the IxWLAN SED chassis is 64, and 128 for the IxWLAN SED-MR+ chassis. The default value is 5. If you specify zero virtual stations in this dialog, you must use the Add vSTA to Group dialog to add one or more virtual stations to this group.
  • Page 64 SSID: Set the SSID to a string. The user can create a vSTA with a SSID. This is an optional field. vSTA->New Group->Traffic The Traffic section of the New IxWLAN Group dialog defines the type of traffic (Internal/Ping or External/Load Generator) to be used by the virtual station(s), as shown in Figure 4-38.
  • Page 65 Count: Specify the total number of pings to be sent: 0…10000 (0=forever). vSTA->New Group->Runtime The Runtime section of the New IxWLAN Group dialog allows you to run a vir- tual station’s test multiple times. This is applicable only to internal traffic genera- tion.
  • Page 66 AP). vSTA->New Group->On Error The On Error section of the New IxWLAN Group dialog defines whether virtual stations should reconnect to the System Under Test during a test if the system de- authenticates or disassociates a virtual station, as shown in...
  • Page 67 802.11 management frame (deauth or disassoc) is sent by the System Under Test and received by IxWLAN, the virtual station tries to return to the state it was in, before the management frame was received. If the virtual station was running a ping test, the ping test continues.
  • Page 68 For Open System or Shared Key Authentication and WEP Cipher mode, this sec- tion of the New Group dialog allows you to define up to four shared keys, as shown in Figure 4-41 on page 4-33. 4-32 IxWLAN User Guide, Release 6.20...
  • Page 69 4-71. Select the shared key to be used. These keys are used for encryption by virtual stations in this group with the System Under Test. Edit Keys: The Edit Keys button allows you to change the keys in this dialog. IxWLAN User Guide, Release 6.20 4-33...
  • Page 70 Passphrase (up to 63 characters): Defines a passphrase of up to 63 ASCII charac- ters. NOTE: When a passphrase is defined, it is not necessary to specify the Pre- Shared Key. The passphrase is used to generate the Pre-Shared Key. 4-34 IxWLAN User Guide, Release 6.20...
  • Page 71 PEAP/TTLS parameters. Inner Algorithm: Select the inner algorithm to use in Phase 2 authentication. MS- CHAPv2 is normally used for TTLS. EAP-MS-CHAPv2 is normally used for PEAP. IxWLAN User Guide, Release 6.20 4-35...
  • Page 72 Figure 4-44. Figure 4-44. Available Certificate Dialog The Space available indicates the total available space in the IxWLAN flash file system. This number changes when certificate files are added or deleted. • The OK button (or double-clicking a file name in the list) allows you to set the Client Certfile field to the currently highlighted certificate file name.
  • Page 73 Certpass: After a file name is typed or selected, enter the password needed for the certificate file. • The OK button allows you to transfer the specified file to IxWLAN with the same file name and extension. The newly-added certificate file is then listed as one of the available certificates.
  • Page 74 Thus, in the vSTA tab, after the virtual stations have been created, the wport, Netmask, and Gateway group attributes cannot be changed. In addition, the Number of virtual stations field is not present in the Edit IxWLAN Group dialog. To add a virtual station to the group, refer to vSTA->Add New...
  • Page 75 Any changes to this dialog also update these group default values. See vSTA->New Group on page 4-26 for a description of the fields in this dialog. IxWLAN User Guide, Release 6.20 4-39...

  • Page 76: Ixwlan Side Bar

    The Cancel button allows you to close this dialog. IxWLAN Side Bar The buttons in this side bar are used to configure and manage IxWLAN and to select and join with a System Under Test. Select SUT: Opens the Select System Under Test dialog.
  • Page 77 Select System Under Test dialog opens, only the wport checkbox correspond- ing to the checked button is selected. Click the Select SUT(s) button in the IxWLAN side bar. In this case, when the Select System Under Test dialog opens, none of the three wport check- boxes are selected.
  • Page 78 This field is used to select a wireless mode for optional successive scanning. It defaults to the current wireless mode configured for the unit. NOTE: The wireless mode for the unit is set in the IxWLAN Radio tab of the Configure IxWLAN dialog.
  • Page 79 The Web-Based User Interface IxWLAN Side Bar If the web-based user interface is running on an IxWLAN SED chassis, clicking this icon results in an attempt to join wport1, provided it is not already joined. When on an IxWLAN SED-MR+ chassis, clicking this button results in an attempt to join a combination of wport1, wport2, and wport3 (whichever is not already joined).
  • Page 80 Figure 4-55. Join SUT wport2 Re-initiation Confirmation Dialog Figure 4-56. Join SUT wport3 Re-initiation Confirmation Dialog IxWLAN->Configure The Configure IxWLAN dialog is a tabbed dialog that defines the interaction IxWLAN with the web-based user interface and IxWLAN operational parameters. The fol- lowing fields appear in all sections of the Configure IxWLAN dialog: IxWLAN Id: It is set by the system and cannot be changed.
  • Page 81 IxWLAN Polling Timeout: Defines the time (in ms) that the Command PC waits for a response from IxWLAN. It can be set to a value in the 500…120000 ms (2 min) range. The recommended value is twice the IxWLAN Polling Inter- val value.
  • Page 82 Batch Request Interval: If Batch IxWLAN Requests is checked/enabled, spec- ify the interval at which the web-based user interface l collects (batches) requests and sends them to IxWLAN. It can be set to a value in the 250…60000 ms (1 min) range.
  • Page 83 IxWLAN Side Bar Figure 4-58. Basic Configuration of IxWLAN IP Address: Type IxWLAN's new IP address. Use an IP address that is compati- ble with the network addressing scheme at your facility. The default IP address is 192.168.0.50. If you change this field, you must select the Reboot option from the IxWLAN side bar, exit the web-based user interface, and reconnect to IxW- LAN using the new IP address.
  • Page 84 Wireless Mode: Select a wireless mode (11a, 11b, or 11g) from the list box. The items that are available in this list box are different depending on the feature set that you ordered from Ixia. The wireless mode also affects the types of devices that IxWLAN can discover during a scan operation. See General Usage Notes page 1-12.
  • Page 85 Scan at Boot Mode: There are three options for this attribute: Enabled, Disabled, and All Modes. If enabled, a scan of all channels of the IxWLAN Wireless Mode (which can be set by the Wireless Mode list box shown in...
  • Page 86 US. In other countries, power settings are relative to the maximum transmit power available for the country. If you change the transmit power setting, you must select the Reboot option from the IxWLAN side bar in order for the new transmit power to be recognized and used in IxWLAN.
  • Page 87 10 per second. As an example, if the Power Management Mode is set to Power Save and the Power Save Listen Interval is set to 3, IxWLAN wakes up about every 307.2 ms to poll for frames queued in the System Under Test.
  • Page 88 TKIP. IxWLAN- Reconnect is needed after reboot or if you become disconnected from IxWLAN >Reconnect for any reason. The Reconnect IxWLAN button in the IxWLAN side bar opens a confirmation dialog, as shown in Figure 4-62.
  • Page 89 Click No to cancel the reconnect selection. Following successful reconnect, the web-based user interface restores the sce- nario (if any) in IxWLAN. IxWLAN->Reset The Reset IxWLAN button in the IxWLAN side bar opens a confirmation dialog IxWLAN (Figure 4-63). Figure 4-63. Reset Confirmation •...
  • Page 90 SYS file type (case insensitive) and the file must exist on the com- mand PC. Feature Key: To update the IxWLAN feature key, check this box and type the feature key hex string. The Feature Key must be an ASCII hex string containing a valid feature key for this IxWLAN.

  • Page 91: Monitors Side Bar

    The Web-Based User Interface Monitors Side Bar If the Reboot IxWLAN checkbox is not clicked, a warning dialog opens, as shown in Figure 4-67. Figure 4-67. Warning Dialog • Click OK to continue IxWLAN Update without rebooting. • Click Cancel to return to the Update IxWLAN dialog.
  • Page 92 Monitors Side Bar A monitor is one or more user-selected statistics counters that the web-based user interface collects from IxWLAN and displays in the user-selected format (that is, line graph, bar graph, or table). All collected data can be exported. Monitors are based on Line graphs, Bar graphs, and Tables.
  • Page 93 Selected Counters column. See Chapter 7, Statistics Counters for a descrip- tion of each of these statistics counters. • Click the Create button to create and display the monitor. • Click the Cancel button to close this dialog. IxWLAN User Guide, Release 6.20 4-57...
  • Page 94 Selected Counters column. See Chapter 7, Statistics Counters for a descrip- tion of each of these statistics counters. • Click the Create button to create and display the monitor. • Click the Cancel button to close this dialog. 4-58 IxWLAN User Guide, Release 6.20...
  • Page 95 4-71. Figure 4-71. More Counters Selected As you run scenario tests, the monitors update with current data from IxWLAN. For chart display styles, the legends on the right side of the monitor indicate the statistics counters selected in the New Monitor dialog. For table display styles, the table headings indicate the statistics counters selected in the New Monitor dialog.
  • Page 96 This can grow large depending on how long the monitor has run. An artificial limit of one hour has been enforced to clear this saved data. At the end of each hour, this stored data array is cleared. 4-60 IxWLAN User Guide, Release 6.20...
  • Page 97 Identify the name of the file where you want to save the monitor information. • Click the Save button to save the information to the specified file. • Click the Cancel button to exit this dialog without exporting any data. IxWLAN User Guide, Release 6.20 4-61...
  • Page 98 Monitor Update Timeout: Defines the time (in milliseconds) that the Command PC waits for a response from IxWLAN. It can be set to a value in the 500 to 120000 ms (2 min) range. The recommended value is twice the Monitor Update Interval value.

  • Page 99: Event Log Side Bar

    Clear Log: Clears the current contents of the event log. Export Log: Exports the last 100 event log entries to a file. Configure Log: Configures event logging. For more information about how IxWLAN creates and maintains the event log, please refer to Appendix B, Event Logging.
  • Page 100 Identify the name of the file where the log is to be written. • Click the Save button to save the event log in a file. • Click the Cancel button to exit this dialog. 4-64 IxWLAN User Guide, Release 6.20...
  • Page 101 Figure 4-80. Figure 4-80. Configure Log IxWLAN Address: Defines the IP address of IxWLAN where the log file resides. Logging: Enables/disables event logging. Logging to Console: Enables/disables event logging to the CLI console. When Logging to Console is enabled (checked), event data is posted to the console con- nected to IxWLAN's serial port (if available).

  • Page 102: Reports Side Bar

    Reports Side Bar The options in the Reports side bar can be used to display statistics counters that are maintained by IxWLAN during the execution of a test. IxWLAN Configuration: Opens the IxWLAN configuration report. Scenario Summary: Shows summary statistics of IxWLAN and all virtual stations.

  • Page 103: Cli Commands

    The Web-Based User Interface Reports Side Bar Reports->IxWLAN The IxWLAN Configuration button in the Reports side bar displays the IxW- Configuration LAN Configuration Report, as shown in Figure 4-81. Figure 4-81. IxWLAN Configuration Report This report shows the status and configuration of IxWLAN. If WPA/RSN is enabled, the status section of the report includes an indication of the cumulative crypto hardware status (that is, Crypto hardware…OK).

  • Page 104: The Web-Based User Interface

    (Long Frame) Avg) in the Data Rate section of the summary statistics display is the average rate for the master vSTA since the time IxWLAN joined to a System Under Test. For more information about the statistics counters that can be shown...
  • Page 105 (All vSTA) Report, as shown in Figure 4-84. Figure 4-84. vSTA Master Report For more information about the statistics counters that can be shown in this report, please refer to Chapter 7, Statistics Counters. IxWLAN User Guide, Release 6.20 4-69...
  • Page 106 Report Templates: Defines the directory/path where XML transform files are retrieved. These XSLT files are then used to create reports from the XML data returned by IxWLAN. By specifying another directory path, you can customize reports to suit your needs.

  • Page 107: Configuration Side Bar

    Preferences: Configures the appearance of the web-based user interface. Available Certificates: Transfers certificate files from the command PC to IxWLAN, where they can be used by virtual stations. Configuration- The Security Configuration dialog, shown in...
  • Page 108 (re)associating. The default value is Enabled. Each entry in the PMKSA cache contains the BSSID of the corresponding AP, a PMKID, and the Pairwise Master Key (PMK). A PMKSA can be obtained by 802.1X authentication or by pre- authentication. 4-72 IxWLAN User Guide, Release 6.20...
  • Page 109 104, or 128 bits plus a 24-bit initialization vector, before transmission to the wireless network. If you change any of the fields, you must click Reboot from the IxWLAN side bar in order for the new encryption selections to be recognized and used by IxWLAN.
  • Page 110 If a passphrase is defined, it is not necessary to specify the Pre-Shared Key. The passphrase is used to generate the Pre-Shared Key. • Click OK to save this information to IxWLAN. • Click Cancel to close this dialog without saving this security configuration.
  • Page 111 Figure 4-90. Figure 4-90. Available Certificates The Space available indicates the total space available in the IxWLAN flash file system. This number changes when certificate files are added or deleted. • Click the OK button (or double-click a file name in the list) to set the Client Certfile field to the currently highlighted certificate file name.
  • Page 112 Certpass: After a file name is typed or selected, type the password that is needed for the certificate file. • Click OK to transfer the specified file to IxWLAN with the same file name and extension. The newly-added certificate file is then listed as one of the available certificates.
  • Page 113 Update vSTA Stats Each Iteration: Click the checkbox to enable/disable the auto- matic update of virtual station statistics. Statistics are gathered by making extra calls to IxWLAN. Under high virtual station load, when deselecting this option, the web-based user interface performance improves.

  • Page 114: Menus And Tool Bars

    4-75. Menus and Tool Bars The menus and tool bars at the top of the web-based user interface can be used to run tests, manipulate virtual stations, monitor results, and configure IxWLAN and general scenario management. File Tool Bar...
  • Page 115 (Figure 4-97). Figure 4-97. vSTA Tool Bar Initialize: Starts the currently selected groups or virtual stations. Probe: Submits a probe request and waits for a probe response. IxWLAN User Guide, Release 6.20 4-79...
  • Page 116 Ready or Running state. Roam vSTAs: For the web-based user interface running on an IxWLAN SED chassis, it starts a Roam by all virtual stations to a selectable target AP. Each virtual station roams according to its configured roam type attribute.
  • Page 117 However, statistics are accumulated in the background and can be exported. Clear: Clears a monitor. A dialog asks you to confirm the selection. TBDThis selection set all counters in the current monitor be exported. IxWLAN User Guide, Release 6.20 4-81...
  • Page 118 Open Scenario…: Opens the Open Scenario dialog, where you can choose from a list of existing scenario files on IxWLAN or browse your PC for scenario files. Save Scenario…: Opens the Save Scenario dialog. Save Scenario As…: Saves a scenario as a new instance.
  • Page 119 Figure 4-103 asks you to save the results to flash. Figure 4-103.Flash Save Dialog • Click Yes to save the results of any active scenario(s) in the IxWLAN flash file system. • Click No to discard current test results. The dialog shown in...
  • Page 120 Figure 4-105 shows the Scenario menu. Figure 4-105.Scenario Menu Initialize: Starts all virtual stations defined in the scenario. Probe: A Probe Request is sent by all virtual stations in the currently selected group. 4-84 IxWLAN User Guide, Release 6.20...
  • Page 121 When Pre-Authenticate is selected, a dialog opens, as shown in Figure 4-106. Figure 4-106.Pre-Authentication Dialog Click the Select button to select a BSS from a list or to manually type a BSSID, as shown in Figure 4-107 on page 4-86. IxWLAN User Guide, Release 6.20 4-85...
  • Page 122 Click the Select button to select a BSS from a list or to manually type a BSSID, as shown in Figure 4-107. The two checkboxes select the Probe on Roam and Authenticate on Roam options. 4-86 IxWLAN User Guide, Release 6.20...
  • Page 123 After you have defined a group in a scenario, use the options in the Group menu to edit and control any/all selected group(s). Figure 4-109 shows the Group menu. Figure 4-109.Group Menu Edit Group: This selection opens the Edit IxWLAN Group dialog. IxWLAN User Guide, Release 6.20 4-87...
  • Page 124 Reset: Resets all virtual stations defined in the currently selected group(s). Quiesce: Causes all virtual stations in the selected group to gracefully stop. The vSTA completes any currently active iteration, then stops. A quiesced vSTA must be reset before it can run again. 4-88 IxWLAN User Guide, Release 6.20...
  • Page 125 (cannot be selected) if the virtual station is not running a test. Terminate: Stops the currently selected virtual station(s). This option is dimmed (cannot be selected) if the virtual station is not running a test. IxWLAN User Guide, Release 6.20 4-89...
  • Page 126 IxWLAN Configuration…: Shows the IxWLAN configuration report. Scenario Summary…: Shows the scenario summary statistics report. Group Summary…: Shows the group summary statistics report. vSTA Master…: Shows the virtual station master (that is, IxWLAN) statistics report. vSTA Detailed…: Shows the virtual station detailed statistics report.
  • Page 127 About Menu Figure 4-112 shows the About menu. Figure 4-113. About Menu About IxWLAN…: Shows the IxWLAN current version number. Update IxWLAN…: Opens the Update IxWLAN dialog. About Ixia…: Accesses the Ixia Web site. IxWLAN User Guide, Release 6.20 4-91...
  • Page 128 The Web-Based User Interface Menus and Tool Bars 4-92 IxWLAN User Guide, Release 6.20...

  • Page 129: The Command Line Interface (Cli)

    CLI Editor on page 5-114. The CLI can be used to show and modify the configuration of IxWLAN from a PC that is connected via Telnet or the serial port. The CLI also includes com- mands to configure and run virtual stations, show statistics, and access the Sys- tem Under Test.
  • Page 130 5-13. • set ssid on page 5-13. • get station on page 5-72. • get wirelessmode on page 5-73. • set wirelessmode on page 5-85. • get wlanmac on page 5-73. IxWLAN User Guide, Release 6.20...

  • Page 131: Cli Usage Notes

    IxWLAN login: Admin Password: ****** The default logon user name is Admin. The default password is IxWLAN. Both entries are case-sensitive (that is, the default user name is Admin, not admin). After you type a valid user name and password, the CLI displays a version ban- ner, the current system time and status, and a CLI prompt (IxWLAN ->).

  • Page 132: User Logoff

    The Command Line Interface (CLI) User Logoff NOTE: If the CLI shows the “This IxWLAN has not been Node Locked” message after you type the IxWLAN logon name and password, see Missing Key File on page 8-7. User Logoff Use the quit command to log off from the CLI.
  • Page 133 -- Display the command line history import -- Import PKCS#12 certfile via FTP init -- Initialize a configured vSTA join -- Join the IxWLAN with the System Under Test ping -- Ping preauth -- Pre-authenticate a vSTA with a remote AP quit...
  • Page 134 -- Set Data Rate set sntpserver -- Set SNTP/NTP Server IP Address set ssid -- Set Service Set ID set systemname -- Set the IxWLAN system name set telnet -- Set Telnet Mode set time -- Set the system time set tzone...

  • Page 135: System Under Test Commands

    Use the reset command to return all virtual stations to an initialized state: reset vsta all If the new System Under Test is not in IxWLAN's BSS list, a scan is needed: scan Use the set bssid command to set IxWLAN to another System Under Test: set bssid <mac_address_of_new_SUT>...
  • Page 136 Specifies the BSSID/MAC address of the system to be tested. This is the System Under Test that IxWLAN scans for and joins with. The default value is all zeros. NOTE: IxWLAN must be configured with a non-zero BSSID to perform a Join operation and to create and run virtual stations.
  • Page 137 BSSID: The BSSID column shows the BSS identifier. SSID: The SSID column shows the service set identifier for the BSS discovered via a probe request. Example for get bsslist detail: [wport1]IxWLAN -> get bsslist detail BSS Type Channel RSSI BSSID...
  • Page 138 Joins with the System Under Test. It must be present in the current Basic Service Set list. See bsslist (get) on page 5-9. join Example: [wport1]IxWLAN -> join The join should take about 1 sec [wport1]IxWLAN -> IxWLAN: wport1 Join: Checking BSS ... OK 5-10 IxWLAN User Guide, Release 6.20...
  • Page 139 Scans for Basic Service Set IDs and optionally joins with the System Under Test. The IxWLAN wireless mode affects the type of devices that can be detected in a scan. To change the IxWLAN wireless mode, see Virtual Station Setup and Control Commands on page 5-14.
  • Page 140 802.11a, 802.11b, and 802.11g. The CLI prompts to join with a system (if any) found in the scan. If IxWLAN is already joined with a System Under Test, the default response is y:...
  • Page 141 SSID: IxWLAN Test Wireless Network [wport1]IxWLAN -> set ssid Sets the given value to the IxWLAN global Service Set Identifier attribute. To reset the global SSID to the factory default string, enter the following com- mand: set ssid default. [wport1]IxWLAN -> set ssid default...

  • Page 142: Virtual Station Setup And Control Commands

    NOTE: There is no need for an explicit Join when Background Join is enabled. Use the described System Under Test commands to join with a System Under Test before using the commands in this group. 5-14 IxWLAN User Guide, Release 6.20...
  • Page 143 NOTE: Most of the commands in this group need that you specify a virtual station ID in the 1 to 64 range for the IxWLAN SED chassis, and in the 1 to 128 range for the IxWLAN SED-MR+. If you intend to configure all virtual stations for WPA or RSN authentication, the maximum number of virtual stations is: •...
  • Page 144 <grpId> <grpId>: Group ID (1…128) Example: [wport1]IxWLAN -> acquireip vsta 1 [wport1]IxWLAN -> OK vSTA ID:1 NOTIFY Operation ACQIP (10.1.35.10) succeeded - THU JAN 08 10:04:31 2004 assoc Starts the 802.11 association sequence for one or more virtual stations. The 802.11 association sequence automatically transits through any necessary 802.1X...
  • Page 145 The Command Line Interface (CLI) Virtual Station Setup and Control Commands Example: [wport1]IxWLAN -> assoc vsta 1 [wport1]IxWLAN -> OK [wport1]IxWLAN -> vSTA ID:1 NOTIFY Operation ASSOC succeeded - TUE JUL 15 03:08:38 2003 [wport1]IxWLAN -> When a virtual station is configured for WPA-PSK authentication, this command shows additional AKMP information.
  • Page 146 <grpId>: Group ID (1…128) Example: [wport1]IxWLAN -> auth vsta 1 [wport1]IxWLAN -> OK [wport1]IxWLAN ->vSTA ID:1 NOTIFY Operation AUTH succeeded - TUE JUL 15 03:08:15 2003 [wport1]IxWLAN -> autoconf This command allows you to configure, initialize, authenticate, and associate a number of virtual stations using a single command.
  • Page 147 [cipher wep | tkip | aes-ccm]: Enables WEP, TKIP, or AES-CCM (that is, CCMP) cipher mode. If authentication is open-system or shared-key, wep is the only valid selection. IxWLAN User Guide, Release 6.20 5-19...
  • Page 148 LAN as IxWLAN. For vSTAs configured at layer 3, IP and ARP pack- ets generated from this host that contain the virtual station's IP address as a source is translated at the MAC layer to appear as if sourced from the virtual sta- tion's MAC address.
  • Page 149 [certfile <filename>]: If authentication mode is wpa or rsn, this parameter spec- ifies the filename of the certificate file to be used in the 802.1X exchange. The named certificate file must reside in the Certificates directory in the IxWLAN flash file system.
  • Page 150 Example: [wport1]IxWLAN -> set wport 2 Current wport: 2 [wport2]IxWLAN -> [wport2]IxWLAN -> autoconf 1 mac 00:02:6f:58:01:01 ip 10.1.83.31 wport 3 target 10.1.83.1 count 100 vSTA ID:1 IP:10.1.83.31 MAC:00:02:6f:58:01:01 CONF OK vSTA ID:1 INIT OK vSTA ID:1 AUTH CMD OK...

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