quoted from »
www.chicagotech.netCant access the Internet via USB after enabling NIC for network
Symptom: you access the Internet via a modem or router with a USB connection. To enable ICS to share the Internet access, you add another NIC. You are unable to access the Internet and experience some problems as listing below:
1. You cant access the Internet from the ICS host and clients.
2. You cant ping a public IP.
3. You may be able to ping a public IP but unable to ping any web site.
Causes: 1. You have a routing issue. Make sure only Internet connection has default gateway and leave blank on the LAN connection gateway.
2. Make sure you have correct ICS settings.
Related Topics
Troubleshooting Internet Access Issues.
How to setup ICS