MAC address is also known as Ethernet hardware address, hardware address or physical address.Įnter mac address using following format 00:00:00 to lookup for associated vendor, or enter an vendor name to lookup for associated mac addresses or mac address range. The intention is to consume the limited memory set aside in the switch to store the MAC address-to-physical port translation table. For example Belkin mac address begins with 00:11:50, Intel mac address begins with 00:02:B3 and VMWare mac address with 00:05:69. In a typical MAC flooding attack, a switch is flooded with packets, each containing different source MAC addresses. The first three octets or 24 bits of mac address identify the vendor of a network interface. This process is vulnerable to layer 2 MAC address spoofing attacks where an attacker spoofs a certain MAC address to change entries in the MAC address table. MAC address usually encodes the vendors or manufacturers registered identification number. (CAM table) by looking at the source MAC address of incoming frames and flooding frames if it doesn’t know where to forward the frame. ![]() ![]() ![]() but traffic is flooding to the vlan due to mac address doesn't keep showing up in MAC table. ![]() MAC address is assigned by the vendor of a network interface card (NIC) and stored in its hardware. Symptom: User config dot1x and sending bi-directional traffic.
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