[Buildroot] dhclient and udhcpc

Lijun QIN lijun.qin2008 at gmail.com
Fri Feb 21 17:52:20 UTC 2014


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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