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I have a rpi model B, internet works fine when using cat5 cables plugged into the router. I recently purchased a BUFFALO AirStation N150 Wireless USB Adapter - WLI-UC-GNM and configured it to work, or so I thought. The pi works fine on LAN, as I have been accessing it through VNC and have had no problems. When trying to connect to the internet I could not connect to any website. Some more information:

When configure to use wlan0 (Wireless adapter) the link light on the board does not illuminate I can ping machines on my network and the local loopback Tried to ping 8.8.8.8 and got "connect: network is unreachable", same goes for trying to ping any named website.

Everything works fine when plugged in directly to the router.

  • Sounds like you don't have a default route. How did you configure the wireless? Statically? DHCP? If the latter, is it the same DHCP config for both wired and wireless? – Gagravarr Dec 16 '13 at 3:23
  • Yes, I agree. The output of /sbin/route -n on the Pi may help a lot here. – Arne Dec 16 '13 at 13:08
  • Thanks for your replies. I am guessing you guys are right, there is no gateway defined for wlan. I used the wifi config tool, its DHCP. @Arne here is the output for route -n, how do I configure the gateway? Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0 Sorry for formatting, still learning the ropes here – Edyoucaterself Dec 20 '13 at 0:06

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