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I was trying to install Arch Linux with 3g modem. I had previously downloaded usb_modswitch and wvdial and their dependencies. I booted Arch and installed them. Then I copied my Ubuntu's /etc/wvdial.conf to Arch.

Then I connect with wvdial and it says connected,; modem indicator also says connected. But it is actually not! ping www.google.com says unknown host! The modem is HUAWEI E1550 (from a provider in Bangladesh).

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What does ifconfig say? Does the network interface have a public IP after you connected with wvdial? – Torben F Apr 13 at 7:17

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have you checked /etc/resolv.conf? if that file is empty, try adding nameserver like this,

nameserver 8.8.8.8
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I didn't try it. will give a shot some moment later. – emnoor Sep 6 '12 at 17:20
It didn't work! – emnoor Sep 7 '12 at 13:53
Maybe /etc/ppp/resolv.conf? Also, don't forget to reconnect upon these changes. – Teresa e Junior Nov 14 '12 at 1:12

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