we have a intranet in office to share interent among all these computers i have installed one more lan card on my pc and connect a DSL modem on this for getting Internet and used proxy software to make it as a proxy sever on dhcp mode , one of my old onboard LAN card is having my intranet's IP but when my pc is connected on Intranet it is not getting internet but when i am disabling my own board lan card then interenet gets started . Please help me why this is happening and how i can make a proxy server?///
Please Please please

Wrong forum, i suggest you move it to Networking Hardware Configuration.

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