[Buildroot] dhclient and udhcpc

[pl]

On 21/02/2014 18:52, Lijun QIN wrote:
> With buildroot-2011.05, "udhcpc  eth0" gets dynamic IP, but dhclient 
> eth0 can not get anything.
>
>  [root@(none) dhcp]# ifconfig  -a
> eth0   Link encap:Ethernet  HWaddr 00:25:B3:08:20:2C
>           BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:532
>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>           Interrupt:8
>
> after dhclient eth0
>   eth0  Link encap:Ethernet  HWaddr 00:25:B3:08:20:2C
>           BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:532
>           RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>           Interrupt:8
>
> Any idea ?
>
>
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I am just a newbie on buildroot, but i think your description is too 
short, and your version of buildroot seems old.
How did you get buildroot and how did your configure it ?
What is the target ? Is there more traces ( ex in /var/log/messages ) ?

Regards
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