raw socket receiving junk data.

Hi Friends, I am trying to read data from the link layer using linux raw sockets. I tested the program by sending loop back packets from my computer as well as, packets from other computers on the network, & it recieves the packets w/o any problem. The problem that I face is that I also recieve repetitive packets with src & dest MAC address set to, I also get these packets when I disconnect the ethernet cable from the other system/device. Could U please help me in analyzing what these packets are??? Also is it due to setting in promisious mode? I'm using debian linux kernel

Thanks a lot. Avinash.

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