![]() ![]() For a primary IP address of 1.2.3.4, the unicast MAC address is set to 02-BF-1-2-3-4. To insure uniqueness, the MAC address is derived from the cluster’s primary IP address entered in the Network Load Balancing Properties dialog box. Incoming packets are thereby received by all cluster hosts and passed up to the Network Load Balancing driver for filtering. In its default unicast mode of operation, Network Load Balancing reassigns the station address (“MAC” address) of the network adapter for which it is enabled (called the cluster adapter), and all cluster hosts are assigned the same MAC address. Network Load Balancing uses layer-two broadcast or multicast to simultaneously distribute incoming network traffic to all cluster hosts. My colleague brought an interesting point to my attention However, there are methods to spoof your MAC address if you really want to.With my colleague we were working on strange NLB cluster issue and were discussing Layer 2 data transmission and strange MAC addresses on NLB cluster. In short, it’s not a huge security risk, and it’s not something you typically need to worry about. ![]() That makes them very difficult to find by outside parties. Smart home tech only connects to your home Wi-Fi, whereas things like Bluetooth headphones only connect to your computer or phone.
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