wpa_authentication but dhcp timeout

[Dan Williams]

On Fri, 2007-01-05 at 19:25 -0500, Alexander wrote:
> Hi,
> 
> I am trying to connect to a Linksys WCG200v2-CC modem/wired
> router/wireless router using wpa_supplicant. I can connect (without
> wpa_supplicant) using an ethernet cable to this router, and I can
> connect with my wpa_supplicant setup to at least one wpa-enabled ap.
> What's more, according to wpa_cli wpa_supplicant is connected, but
> dhcpcd times out waiting for a valid dhcp response from the router.
> Two other people (using windows xp) are able to connect to the
> wireless router. So wpa_supplicant in general seems to work with wpa
> at least, the router works with other authentication systems, and the
> router works with an ethernet connection, but the combination
> wpa_supplicant and the wireless router does not work.
> 
> Setup info:
> 
> Gentoo GNU/Linux
> kernel: 2.6.17-gentoo-r8
> 
> wpa_supplicant:
> version 0.5.4
> 
> dhcpcd:
> version 2.0.5
> 
> ndiswrapper:
> utils version: 1.9
> driver version: 1.25
> 
> wpa_supplicant.conf:
> 
>  ctrl_interface=/var/run/wpa_supplicant
>  ctrl_interface_group=wheel
>  eapol_version=2
>  ap_scan=2
> 
> //---cut----//
> 
> # WEP- at home
> network={
>  ssid="our network"
>  key_mgmt=NONE
>  wep_key1= //---cut----//

^^^^ don't you want 'wep_key0' here?  You have to match that with the
'wep_tx_keyidx' value if you're only using 1 key.  If you use
'wep_key1', you have to use 'wep_tx_keyidx=1' too.

dan

>  wep_tx_keyidx=0
>  priority=2
> }
> 
> wpa_cli output:
> 
> status verbose:
> 
> bssid=//--cut--//
> ssid=our network
> id=1
> pairwise_cipher=WEP-104
> group_cipher=WEP-104
> key_mgmt=NONE
> wpa_state=COMPLETED
> 
> log output:
> 
> Jan  5 18:42:43 localhost wpa_cli: interface wlan0 CONNECTED
> Jan  5 18:42:44 localhost dhcpcd[14548]: MAC address = 00:14:a4:22:b2:2d
> Jan  5 18:44:44 localhost dhcpcd[14548]: timed out waiting for a valid
> DHCP server response
> Jan  5 18:44:44 localhost wpa_cli: executing '/etc/init.d/net.wlan0
> --quiet start' failed
> 
> So far I've called the ISP, Comcast, a couple of times, but they 'do
> not support linux' and are in general unwilling to help. I share the
> connection so I can't change the router/ISP.
> 
> I've searched quiet a lot of forums etc for combinations of
> wpa_supplicant, dhcp, wcg200, but struck out.
> 
> I don't know what the problem might be, or how to proceed in trying to
> find out what it might be, so I'm grateful for any suggestions and
> pointers.
> 
> Alexander
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