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Laptop = linux

RPI = raspbian

USB internet = mobile tethering

I can have both devices on my computer. If I try and ping i get the following:

PING ( 56(84) bytes of data.
64 bytes from icmp_req=1 ttl=43 time=120 ms    //USB0 connected ETHO     disconnected
64 bytes from icmp_req=2 ttl=43 time=78.7 ms
64 bytes from icmp_req=3 ttl=43 time=88.5 ms
64 bytes from icmp_req=4 ttl=43 time=65.8 ms
64 bytes from icmp_req=5 ttl=43 time=252 ms
From icmp_seq=6 Destination Host Unreachable   //USB0 connected ETHO connected
From icmp_seq=7 Destination Host Unreachable
From icmp_seq=8 Destination Host Unreachable
64 bytes from icmp_req=14 ttl=43 time=58.5 ms  //USB0 connected ETHO disconnected
64 bytes from icmp_req=15 ttl=43 time=56.4 ms
64 bytes from icmp_req=16 ttl=43 time=74.4 ms

How can I have it so that when both are connected I can still ping to the internet and follow up would be access that internet from my RPI.

share|improve this question
Just to clarify, USB internet = wifi? or Wired? Raspberry Pi already have its own LAN port (eth0) - and also what OS are you running? Raspbian? – Darius Sep 4 '13 at 9:22
@Darius USB internet = tethering from mobile and running linux on laptop and raspbian rpi – user2743523 Sep 4 '13 at 9:24

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