I am interested in implementing DHCP snooping on a piece of my network. When I configure DHCP snooping on this piece of the network I am understand that snooping will also be configured on the CORE and all devices leading back to the DHCP servers. Will configuring snooping on these devices affect DHCP operation with the remaining non configured network users? Also, on the devices in the path will I only have to configure ip dhcp snooping globally and then place the switch and DHCP server links at trusted? Thanks in advance.