Respuesta :
DHCP snooping is a mitigation technique to prevent rogue DHCP servers from providing false IP configuration parameters to clients. DHCP snooping is a security feature that acts like a firewall between untrusted hosts and trusted DHCP servers. It is a series of techniques applied to improve the security of a DHCP infrastructure.
The answer is DHCP snooping
DHCP snooping acts like a firewall between DHCP servers and untrusted hosts. It differentiates untrusted interfaces connected to the end user and trusted interfaces connected to a switch or DHCP. For DHCP snooping to function correctly, the switches must be connected to all DHCP servers through trusted interfaces.