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trouble with WLAN card 3com 3CRWE62092A (but Lucent Orinoco works)

Hi all,

I have a Toshiba Satelllite 5100-603 notebook and a 3Com 3CRWE62092A
WLAN card (PCMCIA) which is proven to work with this notebook. However,
it does not work for me within our university WLAN.

Upon inserting the card, the eth1 interface is configured, but it does
not receive an IP address. Strangely, when I use a Lucent Orinoco WLAN
card from our institute, everything works flawlessly.

By means of a /etc/dhclient-enter-hooks script, I checked that indeed,
dhclient receives an IP address (variable new_ip_address) when I insert
the Orinoco card while no IP address (variable new_ip_address is empty)
is received when I insert the 3Com card.

What I'd like to have now is an extensive transcript of the communication
between dhclient and the DHCP server, so I can attempt to further close
in on the point where things go amiss. Unfortunately, dhclient does not
seem to offer anything like a -verbose flag or similar. I'd be grateful
for any pointers on how to obtain detailed information on the progress
of DHCP based interface configuration.

Furthermore, I would, of course, welcome any hints, reports etc. which
may help me to sort out the problem. Here's some system info which may
hopefully help someone out there on the list to diagnose the problem.
My system is:

    * running Debian stable
    * kernel 2.4.18 with ACPI patch
    * equipped with self-compiled poldhu driver, version 0.2.13, for
      using the 3Com card
    * /etc/pcmcia/config.opts contains

      device "poldhu_cs"
	class "network" module "poldhu_cs"

      card "No Wires Needed 11 Mbps Wireless LAN PC Card"
	version "No Wires Needed", "11 Mbps Wireless LAN PC Card"
	bind "poldhu_cs"

      card "3Com 3CRWE62092A Wireless LAN PC Card"
	version "3Com", "3CRWE62092A Wireless LAN PC Card"
	bind "poldhu_cs"

Upon inserting the 3Com card, the following messages appear in

    Jul 31 20:35:32 chipiona kernel: No Wires Needed Poldhu driver v0.2.13
    Jul 31 20:35:32 chipiona kernel: poldhu_cs: index 0x30: Vcc 3.3, irq 3 io 0x0100
    Jul 31 20:35:32 chipiona kernel: eth1: 3Com 11 Mbps Wireless LAN PC Card, port 1
    00, irq 3, hw_addr 00:04:76:A5:88:A7
    Jul 31 20:35:32 chipiona /etc/hotplug/net.agent: invoke ifup eth1

With the orinoco card, I just get the "invoke ifup eth1" message.

Regards & thanks for any hints & help,
 +- Jan T. Kim -------------------------------------------------------+
 |    *NEW*    email: kim@inb.uni-luebeck.de                          |
 |    *NEW*    WWW:   http://www.inb.uni-luebeck.de/staff/kim.html    |
 *-----=<  hierarchical systems are for files, not for humans  >=-----*

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