KB ID 0000671 Dtd 04/09/12
I have plenty of real ASA firewalls to play with, but it’s getting round to re-certification time, so for ease I thought I’d run up a Virtual ASA on my vSphere 5 box just for testing and breaking.
However no matter what type of Virtual Network adaptor I used (vmxnet3, e1000, etc) I could not connect to the virtual firewall.
2. From my laptop (out on the network), I could not connect to, or ping the ASA 🙁
3. However if you log into your ESX/vCenter Server and change the settings on the virtual switch that the parent VM is attached to. Configuration > Networking > Switch > Properties > vSwitch > Edit > Security Tab > Change Promiscuous Mode to Accept > OK.
4. Now it works!
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