Well , The situation was as bizzare as it seems . My other server was responding to ICMP echo requests sent by the realtek card but the responses were in the form of broadcasts . In the layer 2 header of the icmp requests from the Realtek card , the mac address for the source was : FF-FF-FF-FF-FF-FF and the destination was all right , it was the mac address of my other server . I ran the DOS configuration utility for the NIC . Burnt in address was disabled and the MAC address was somehow reset two the broadcast address . I changed the option to BIA and the problem was resolved . It was one of the oddest NIC malfunction syndromes I had ever seen . Thank you all for your comments .
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