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To prevent an attacker from setting up a DHCP server (Rogue DHCP) in the network and assign IP parameters, the function DHCP Snooping can be configured on a managed switch. In doing so "DHCP Offer" packets are only transmitted on the switch port, the DHCP server is connected to. "DHCP Offer" packets on all other ports are discarded.
This article descibes describes how to configure DHCP Snooping on an XS or GS-45xx series switch.
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