How to make a static route when using two internet connections?

Posted by webmasters on Super User See other posts from Super User or by webmasters
Published on 2012-12-11T16:35:00Z Indexed on 2012/12/11 17:08 UTC
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I have asked a question here on how to choose which applications will use a 3G internet connection and which applications will use the LAN.

User harrymc gave a very complete and interesting answer, pointing that this is possible using static routes for certain websites.

Now, lets say I want to access google.com only through my 3G internet connection. How would that static root look like?

  • google has the IP: 173.194.39.180

  • here is a print of my route table, the 3G Modem has the IP: 10.81.132.96

+-----------------------------------------------------------------------------+
¦ IPv4 Route Table                                                            ¦
¦ =========================================================================== ¦
¦ Active Routes:                                                              ¦
¦ Network Destination        Netmask          Gateway       Interface  Metric ¦
¦           0.0.0.0          0.0.0.0      192.168.2.1    192.168.2.102     20 ¦
¦           0.0.0.0          0.0.0.0     10.81.132.97    10.81.132.111    286 ¦
¦      10.81.132.96  255.255.255.224         On-link     10.81.132.111    286 ¦
¦     10.81.132.111  255.255.255.255         On-link     10.81.132.111    286 ¦
¦     10.81.132.127  255.255.255.255         On-link     10.81.132.111    286 ¦
¦         127.0.0.0        255.0.0.0         On-link         127.0.0.1    306 ¦
¦         127.0.0.1  255.255.255.255         On-link         127.0.0.1    306 ¦
¦   127.255.255.255  255.255.255.255         On-link         127.0.0.1    306 ¦
¦       192.168.2.0    255.255.255.0         On-link     192.168.2.102    276 ¦
¦     192.168.2.102  255.255.255.255         On-link     192.168.2.102    276 ¦
¦     192.168.2.255  255.255.255.255         On-link     192.168.2.102    276 ¦
¦         224.0.0.0        240.0.0.0         On-link         127.0.0.1    306 ¦
¦         224.0.0.0        240.0.0.0         On-link     192.168.2.102    276 ¦
¦         224.0.0.0        240.0.0.0         On-link     10.81.132.111    286 ¦
¦   255.255.255.255  255.255.255.255         On-link         127.0.0.1    306 ¦
¦   255.255.255.255  255.255.255.255         On-link     192.168.2.102    276 ¦
¦   255.255.255.255  255.255.255.255         On-link     10.81.132.111    286 ¦
+-----------------------------------------------------------------------------+

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