> Please try ``ifconfig wi0 <IP address> up media autoselect'' or add
>``media autoselect'' to /etc/ifconfig.wi0.
>  My notebook pc use MELCO WLI-PCM-L11 Wireless LAN. And Use DHCP. It
>connect to WLA-L11 base station as IBSS mode.
>  I created /etc/ifconfig.wi0 which includes only ``media
>autoselect''. It works fine for DHCP client with IBSS mode.

	this looks to me that you were very lucky.  from code inspection,
	if you specify "media autoselect", it turns off adhoc mode bit
	(= turns the card into IBSS mode).  "media autoselecdt" does not do
	adhoc/IBSS mode selection automagically.

itojun