Promiscuous mode on Hyper-V vswitch - Wiresharking from within a VM
Posted on 2014-01-17
Hyper-V host (2012) with an 'external' vswitch configured against a physical NIC.
VM guest (various OS) work fine and can communicate fine. no issue with normal networking.
OK, so..... running Wireshark on the VM Guest can only pick up broadcast traffic etc, as it's 'behind'' a virtual switch that may be filtering out all the traffic seen by the NIC.
(Yes, The physical switch port is correctly set to mirror, confirmed by running Wireshark on a physical client.)
Anyone have any idea how to make a VM able to see all traffic, as if the NIC was assigned to it directly?
IE, the VM guest NIC should see all traffic flowing via the physical NIC.