We have VMware ESXi, 6.5.0, 13932383.
We are trying to set a static MAC on a VMXNET3 adapter. (we have tried E1000, same issue.)
When using C1:73:xx:xx:xx:xx the adapter in Windows comes up with Error 10, Device can’t start. The same issue appears in Linux when the adapter can’t start.
If we use 00:73:xx:xx:xx:xx it’s fine. Other random MAC’s work fine as well, it’s just a MAC starting with C1 that it doesn’t like.
This is being setup so we can test an application issue where by the software is MAC licensed.
Reading VMware Doco, custom MAC’s outside the VMware prefix are allowed, but there is no mention of blacklisted ranges.