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Why does Wireshark detect activity from my Win11 laptop connected to a network tap?

I read that the ethernet port would be automatically disabled to traffic and put into promiscuous mode for listening purposes in the instructions.

Somehow I got back that my Wireshark machine did a host announcement and sent standard query responses directed at hosts outside my network.

Did I read the theory of operation wrong or were the instructions on the Sharktap lying too?

Really seems odd to me!

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Why does Wireshark detect activity from my Win11 laptop connected to a network tap?

I read that the ethernet port would be automatically disabled to traffic and put into promiscuous mode for listening purposes in the instructions.

Somehow I got back that my Wireshark machine did a host announcement and sent standard query responses directed at hosts outside my network.

Did I read the theory of operation wrong or were the instructions on the Sharktap lying too?

Really seems odd to me!

click to hide/show revision 3
None

Why does Wireshark detect activity from my Win11 laptop connected to a Sharktap network tap?

I read that the ethernet port would be automatically disabled to traffic and put into promiscuous mode for listening purposes in the instructions.

Somehow I got back that my Wireshark machine did a host announcement and sent standard query responses directed at hosts outside my network.

Did I read the theory of operation wrong or were the instructions on the Sharktap lying too?

Really seems odd to me!