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Wifi connection of a target device not connecting in linux through terminal?

Question asked by Abdullah Mateen on Jul 31, 2015
Latest reply on Aug 1, 2015 by Wigros Sun

I am trying to up wifi on broadcom BCM4334 chip .



I tried to connect with an open wifi network with following steps



ifconfig wlan0 up



iwconfig wlan0 essid beast_test



udhcpc wlan0



After this I get following error



udhcpc: SIOCGIFINDEX: No such device





I also tried to assign static IP



ifconfig wlan0



Then when I ping my router




There is no response from it and ping fails.



Can you suggest me what may be the cause and how can I further debug it  ?