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zyd (4)
  • >> zyd (4) ( FreeBSD man: Специальные файлы /dev/* )

  • BSD mandoc


     - ZyDAS ZD1211/ZD1211B USB IEEE 802.11b/g wireless network device


    To compile this driver into the kernel, place the following lines in your kernel configuration file:
    device ehci device uhci device ohci device usb device zyd device wlan device wlan_amrr

    Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:



    The driver provides support for wireless network adapters based around the ZyDAS ZD1211 and ZD1211B USB chips.

    These are the modes the driver can operate in:

    BSS mode
    Also known as infrastructure mode, this is used when associating with an access point, through which all traffic passes. This mode is the default.
    monitor mode
    In this mode the driver is able to receive packets without associating with an access point. This disables the internal receive filter and enables the card to capture packets from networks which it wouldn't normally have access to, or to scan for access points.

    supports software WEP. Wired Equivalent Privacy (WEP) is the de facto encryption standard for wireless networks. It can be typically configured in one of three modes: no encryption; 40-bit encryption; or 104-bit encryption. Unfortunately, due to serious weaknesses in WEP protocol it is strongly recommended that it not be used as the sole mechanism to secure wireless communication. WEP is not enabled by default.  


    The following devices are known to be supported by the driver:

    3COM 3CRUSB10075
    Acer WLAN-G-US1
    Airlink+ AWLL3025
    Airlink 101 AWLL3026
    AOpen 802.11g WL54
    Asus A9T integrated wireless
    Asus WL-159g
    Belkin F5D7050 v.4000
    Billion BiPAC 3011G
    Buffalo WLI-U2-KG54L
    CC&C WL-2203B
    DrayTek Vigor 550
    Edimax EW-7317UG
    Edimax EW-7317LDG
    Fiberline Networks WL-43OU
    iNexQ UR055g
    Linksys WUSBF54G
    Longshine LCS-8131G3
    MSI US54SE
    MyTek MWU-201 USB adapter
    Philips SNU5600
    Planet WL-U356
    Planex GW-US54GZ
    Planex GW-US54GZL
    Planex GW-US54Mini
    Safecom SWMULZ-5400
    Sagem XG 760A
    Sagem XG 76NA
    Sandberg Wireless G54 USB
    Sitecom WL-113
    Sweex wireless USB 54 Mbps
    Tekram/Siemens USB adapter
    Telegent TG54USB
    Trendnet TEW-424UB
    Trendnet TEW-429UB
    TwinMOS G240
    Unicorn WL-54G
    US Robotics 5423
    X-Micro XWL-11GUZX
    Yakumo QuickWLAN USB
    Zonet ZEW2501
    ZyXEL ZyAIR G-220



    The following example configures zyd0 to join whatever network is available on boot, using WEP key ``0x1deadbeef1'' channel 11:
    inet netmask wepkey 0x1deadbeef1 channel 11

    Configure zyd0 for WEP, using hex key ``0x1deadbeef1''

    # ifconfig zyd0 wepkey 0x1deadbeef1

    Join an existing BSS network, ``my_net''

    # ifconfig zyd0 netmask 0xffffff00 ssid my_net


    "zyd%d: could not load firmware (error=%d)"
    An error occurred while attempting to upload the firmware to the onboard microcontroller unit.
    "zyd%d: could not send command (error=%s)"
    An attempt to send a command to the firmware failed.
    "zyd%d: sorry, radio %s is not supported yet"
    Support for the specified radio chip is not yet implemented in the driver. The device will not attach.
    "zyd%d: device version mismatch: 0x%x (only >= 43.30 supported)"
    Early revisions of the ZD1211 chipset are not supported by this driver. The device will not attach.
    "zyd%d: device timeout"
    A frame dispatched to the hardware for transmission did not complete in time. The driver will reset the hardware. This should not happen.



    arp(4), intro(4), netintro(4), usb(4), wlan(4), wlan_amrr4, ifconfig(8)  


    An -nosplit The driver was written by An Florian Stoehr Aq , An Damien Bergamini Aq , and An Jonathan Gray Aq .  


    The driver does not support a lot of the functionality available in the hardware. More work is required to properly support the IBSS and power management features.




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