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What is the purpose of the IP Helper address?
Allows a Variable Length Subnet Mask (VLSM) to be applied to an interface
Allows DHCP broadcast messages to be relayed outside of the local subnet
Provides connection redundancy between switches
Allows a switch to reply to ARP requests
An IP helper address can be configured on a layer 3 interface to allow broadcasts, such as DHCP requests, to leave the local VLAN and reach a DHCP server.
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