Hi Ainur,

Looks like your WiFi Wi2Wi module is fine. This the problem is with your company's firewall or gateway or proxy server.. I, once upon a time, had a similar problem and got it sorted out with my network admin.. They had a special access rule with the IP address that got assigned.

-->You can manually change/set your ip address and check if it works ("ifconfig wlan0 ip xx:xx:xx:xx" method, and also the correct gateway "ifconfig wlan0 gw", you may have to disable "NetworkManager" by using "pkill").
-->Or alternately connect to a Android phone's HotSpot and then try pinging, make sure your phone has internet access, either 3G, 4G or GPRS.

Regards,

---------------------------------
Sudhangathan BS
Ph:(+91) 9731-905-205
---------------------------------


On Thu, Nov 7, 2013 at 3:13 PM, Ainur Begalinova <ainur.begalinova@nu.edu.kz> wrote:

Hello,

Our laboratory ordered 15 sets of Gumstix Over Air with Palo35 ad Robovero extensions. 3 of them doesn't connect to Wi-Fi. 
When I run ifup wlan0 i get the following: 

root@overo:~# ifup wlan0
ADDRCONF(NETDEV_UP): wlan0: link is not ready
ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
Internet Systems Consortium DHCP Client V3.1.2p1
Copyright 2004-2009 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/

Listening on LPF/wlan0/00:19:88:42:88:41
Sending on   LPF/wlan0/00:19:88:42:88:41
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
DHCPOFFER from 10.3.1.2
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPACK from 10.3.1.2
bound to 10.3.12.96 -- renewal in 84340 seconds.


then pinging to google gives me this:

PING www.google.com (89.218.72.93) 56(84) bytes of data.
From 10.3.1.2 icmp_seq=7 Packet filtered
From 10.3.1.2 icmp_seq=16 Packet filtered
From 10.3.1.2 icmp_seq=50 Packet filtered


-- 
Best wishes, 
Ainur Begalinova
Laboratory Assistant 
Robotics Department
School of Science and Technology 
Nazarbayev University Research and innovation Systems
+7 7172 706278

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