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DHCP Snooping

VERSION 8 
Created on: Jun 18, 2008 3:04 PM by Reggie: Cisco Learning Network Store Manager - Last Modified:  Jan 19, 2011 1:26 PM by Rachel D

DHCP Snooping

DHCP snooping is a feature intended to prevent a malicious user from pretending to be the network DHCP server and thus intercepting DHCP packets. Included is also an overview of Dynamic ARP Inspection – whereby an attacker’s gratuitous ARP packets are discarded - for situations where DHCP Snooping may not be applicable. Both DHCP snooping and Dynamic ARP Inspection rely on the same concepts of “Trusted” and “Untrusted” ports.

 

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