Use mac address flooding attack cisco3/15/2024 Is an attack that works by broadcasting vast numbers of DHCP requests with spoofed MAC addresses simultaneously. If the MAC address does not exist, the switch acts like a hub and forwards the frame out every other port on the switch. In this case the switch forwards the frame to the MAC address port designated in the MAC address table. If the switch has already learned the mac address of the computer connected to his particular port then an entry exists for the MAC address. When frames arrive on switch ports, the source MAC addresses are learned from Layer 2 packet header and recorded in the MAC address table. Cisco Catalyst switch models use a MAC address table for Layer 2 switching. Switches maintain a MAC Table that maps individual MAC addresses on the network to the physical ports on the switch. When switch receives a frame, the switch looks in the MAC address table (sometimes called CAM table) for the destination MAC address. In computer networking, MAC flooding is a technique employed to compromise the security of network switches. I am performing this tutorial for the sake of penetration testing, hacking to become more secure, and are using our own test network and router. Important notice: Hacking into anyone’s network without permission is considered an illegal act or crime in most countries. Mac-Address Flooding and DHCP Starvation Attack and How to prevent it.
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