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Old 06-05-2008, 08:13 PM   #1
Niceman2005
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Registered: Nov 2004
Distribution: Fedora Core 2
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Possible to setup multiple uplinks with 3G usb modem?


Dear friends,

We need to setup a linux server with multiple uplinks to internet as in
http://lartc.org/howto/lartc.rpdb.multiple-links.html
We have already got one productive one running , however that is with ADSL connection through a ethernet modem with all the NIC devices ethx.

Now we need to same system however with 3G huawei E220 usb modem, such as in this website http://www.nslu2-linux.org/wiki/HowTo/AddUsb3gModem

As shown in the link, we need the external interface setup as
iptables --table nat --append POSTROUTING --out-interface ppp0 -j MASQUERADE

The ppp0 will be the external interface, however what if i need to have 2 or more Huawei E220 usb modem plugged into the usb ports of the server, is it possible to have more than one ppp devices on the server such as ppp0, ppp1, ppp2, ppp3 as in eth0, eth1, eth2 etc.

Of course the huawei modem compatibility issue is another issue, i have checked that seems it has linux driver. but for multiroute...i am not sure.

thanks for taking time resolving my query!
 
  


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