I have question about promiscuous mode.in a lan nework if one of the node is having a lan card set in ...?

...promiscuous mode then

it starts sniffing all the data packets flowing across the lan this

can b harmful.in a lan nework if one of the node is having a lan card set in promiscuous mode then it starts sniffing all the data packets flowing acrossthe lan.we will send arp packets in lan with a destination address of which no node exist in the lan.

in promiscuous mode the node wil accept those packets & wil respond toit.in promiscuous mode all the packets in lan are accepted irrespective of their destination address.as soon as a node wil respond we can get 2 know that an NIC is in

promiscuous mode or not.there are 2 type of filtering done here:

hardware filtering & software filtering.

in hardware filtering the destination address of packets are atched wid hardware address.& hence on this basis filtering is done.

but in promiscuous mode hardware filtering is not done at

all..........so software filtering is done.

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  • 1 decade ago
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    Stoner, you forgot to ask a question.

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