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promiscuous_mode

Promiscuous Mode

Jul 2017


This setting caught me out when I was trying to use tcpdump to capture some multicast traffic. Normally, the capture service (in this case tcpdump ) puts the interface in to 'Promiscuous' mode, but I was still not able to capture any multicast traffic.

I used the ESXi web interface to edit the Port Group to enable Promiscuous mode manually.


After this, tcpdump was able to see the incoming multicasts.

promiscuous_mode.txt · Last modified: 2017/07/18 08:50 by walkeradmin