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I am running Windows 7, and need to route DNS traffic to 8.8.8.8 over a separate network interface without it passing through the primary (wired) interface. No other traffic should be routed through the second interface (3G) - partially due to speed and partially due to servers in the 10.x.x.x range. How can I configure Windows to route my traffic?
In particular, how can I configure Windows to not find a route to 8.8.8.8 when the second interface is not plugged in or disabled?
Result of running route print
with second interface enabled:
===========================================================================
Interface List
11..1c 6f 65 38 15 c3 ......Realtek PCIe GBE Family Controller
20...8a 4e 09 12 1f 35 ......Remote NDIS based Internet Sharing Device
1...........................Software Loopback Interface 1
12...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter
13...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface
===========================================================================
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination Netmask Gateway Interface Metric
0.0.0.0 0.0.0.0 10.0.0.1 10.0.10.29 10
0.0.0.0 0.0.0.0 192.168.42.129 192.168.42.205 266
10.0.0.0 255.255.0.0 On-link 10.0.10.29 266
10.0.10.29 255.255.255.255 On-link 10.0.10.29 266
10.0.255.255 255.255.255.255 On-link 10.0.10.29 266
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
192.168.42.0 255.255.255.0 On-link 192.168.42.205 266
192.168.42.205 255.255.255.255 On-link 192.168.42.205 266
192.168.42.255 255.255.255.255 On-link 192.168.42.205 266
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 10.0.10.29 266
224.0.0.0 240.0.0.0 On-link 192.168.42.205 266
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 10.0.10.29 266
255.255.255.255 255.255.255.255 On-link 192.168.42.205 266
===========================================================================
Persistent Routes:
None
You do realise that we don't generally consider windows 7 'server' to be topical here don't you. [su] is a better place for that kind of question. – None – 2013-02-09T09:41:22.370
@Iain I had not realized it - the question is about workstation configuration in a large corporate office. As such I felt that it struck points 1 and 3 on the faq page. As you point out, since my issue could also be generalized to include home use, it also meets Super User posting standards ("specific issues with computer ... networking"). Would you be able to migrate it over? – Iiridayn – 2013-02-11T22:15:45.430