http://gns3vault.com DHCP snooping keeps track of the IP addresses that have been leased from a DHCP server using trusted and untrusted interfaces. You can use this to prevent hackers spoofing DHCP servers and it's also required for some other security options like ARP inspection.
Watch video DHCP Snooping lab on Cisco Catalyst Switch online, duration hours minute second in high quality that is uploaded to the channel GNS3Vault 28 April 2012. Share the link to the video on social media so that your subscribers and friends will also watch this video. This video clip has been viewed 24,291 times and liked it 67 visitors.