Can't obtain DHCP address

David Ehrmann ehrmann at gmail.com
Thu Feb 5 23:09:34 EST 2009


Have you tried with a lower rate?  I'm not sure if I've ever seen a 
solid 54mbps connection in the wild.

Dmitry Baryshev wrote:
> Hello, guys.
>
> I have a D-Link WBR-2310 wireless router, it is configured to use
> WPA+TKIP+"Personal". Before I should say that WEP security mode works
> fine, DHCP works well, but WPA doesn't. I configure router to have
> SSID="dima" and password "12345678". I have the following config for
> wpa_supplicant:
>
> ctrl_interface=/tmp/wpa_supplicant
>
> network={
>     ssid="dima"
>     key_mgmt=WPA-PSK
>     proto=WPA
>     pairwise=TKIP
>     group=TKIP
>     psk=251bdf8dae035c415fa63a77bd568be598545e05e7dd132bde0e136cb5f341d1
> }
>
> Running supplicant:
>
> # wpa_supplicant -Dwext -B -u -c ~/.config/supplicant.conf -i eth1
> -P/tmp/wpa_supplicant/pid
>
> Everything seems to work fine:
>
> # iwconfig eth1
> eth1      802.11-a/b/g  ESSID:"dima"
>           Mode:Managed  Frequency=2.462 GHz  Access Point: 00:21:91:D9:8C:6F
>           Bit Rate=54 Mb/s   Sensitivity=-18 dBm
>           Retry min limit:8   RTS thr:off   Fragment thr:off
>           Encryption
> key:****-****-****-****-****-****-****-****-****-****-****-****-****-****-****-****
>   Security mode:open
>           Power Management:off
>           Link Quality=100/100  Signal level:-64 dBm  Noise level:0 dBm
>           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
>
> But I cannot then obtain a DHCP address:
>
> # udhcpc -q -i eth1 -t 6
>     /sbin/ifconfig eth1 0.0.0.0
> Sending discover...
> Sending discover...
> Sending discover...
> Sending discover...
> Sending discover...
> Sending discover...
> Usage: /usr/share/udhcpc/default.script {bound|renew|deconfig}
>
> --------
>
> My kernel is 2.6.26, wpa_supplicant is 0.5.10. Static IP seems to work
> for this security type, but DHCP doesn't. Why? Thanks.
>
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