![]() ![]() If the security policy for Forged Transmits is set to Reject, the frame will be dropped. If they don’t match, a Forged Transmit has occurred – sometimes this is known as MAC impersonation. To simplify the idea behind the policy, a Forged Transmit occurs when a network adapter starts sending out traffic that identifies itself as someone else. This security policy compares the Effective Address of the virtual network adapter and the source address inside of an 802.3 Ethernet frame generated by the virtual machine to make sure they match. One virtual switch security policy that tends to trip folks up is the idea of rejecting or accepting MAC address Forged Transmits. 0.2 Prime Example: Nested Virtualization.0.1 When Does A Forged Transmit Make Sense?. ![]()
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