In this video, we demonstrate how to configure DHCP Snooping and Dynamic ARP Inspection (DAI) to safeguard your network from malicious attacks like rogue DHCP servers and ARP spoofing. You'll also learn about DHCP Option 82 for better DHCP management and security.

Key Topics Covered:

DHCP Snooping Overview – A security feature that ensures only legitimate DHCP servers can assign IP addresses on your network, preventing attackers from giving out unauthorized IPs. This can be enabled on a per-VLAN basis.
Dynamic ARP Inspection (DAI) – By default, this feature is disabled. Once enabled, it uses the DHCP Snooping database to block ARP spoofing attacks and ensures the integrity of ARP packets.
Step-by-Step Configuration of DHCP Snooping – How to enable and configure this feature on Cisco devices.
Enabling and Configuring DHCP Option 82 – Understanding the DHCP relay agent information option and its benefits.
Dynamic ARP Inspection Setup – Enabling DAI, configuring trusted/untrusted ports, and using the DHCP Snooping table for security.
Hands-on Lab – A practical configuration guide in a lab environment.
Commands Demonstrated:

Dynamic ARP Inspection commands: IP DHCP inspection trust
Configuring DHCP Option 82 relay: IP DHCP relay information option
This video is perfect for network engineers and Cisco professionals aiming to improve their network's security posture by preventing attacks such as rogue DHCP servers and ARP spoofing.
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