correct IP Table

 IPTable

Me as many others using Ubuntu 12.04 PC that has multiple interfaces. USB (huawei dongle 1550), wireless card, and rj45 socket for wired connections. And of course we expect network/internet connection to work on any interface.

current netsta (huawei dongle)
alaa-a-salem@ubuntu:~$ netstat -rn
Kernel IP routing table
Destination            Gateway         Genmask            Flags      MSS       Window     irtt   Iface
0.0.0.0                    10.64.64.64     0.0.0.0                 UG          0               0             0     ppp0
10.64.64.64             0.0.0.0            255.255.255.255 UH          0               0             0     ppp0
169.254.0.0             0.0.0.0            255.255.0.0          U            0               0             0     ppp0
alaa-a-salem@ubuntu:~$

alaa-a-salem@ubuntu:~$ uname -a
Linux ubuntu 3.5.0-41-generic #64~precise1-Ubuntu SMP Thu Sep 12 17:01:55 UTC 2013 i686 athlon i386 GNU/Linux
alaa-a-salem@ubuntu:~$

Is there a simple way for PC users to ensure that routing table is correct and tightly configured for save usage.

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