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Exclude MAC from DHCP

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9 replies

by dbowlin

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Is there a way to set up DHCP so that it does not respond or issue an IP address to a specific MAC address? If so, how do I do it?

9 replies

by mgonzales

DHCP works off the MAC address so no you can not block it...what is the end user doing that your requesting this?

by estebandelatorre

No you can?t.
What you can do is: assign allways the same IP address ONLY to an specific mac address / nic card.

Regards

by nettek

DHCP does not issue or respond to a MAC address. It receives a broadcast from a client that basically says, "This is my MAC address, may I please have an IP address?" The way to prevent this is to disable the clients ability to request an IP address.

by bmiller95

The answer is:
1. statically assign an IP address -- by doing this you turn off the client pc from making a request.
2. Since you statically assigned the ip address
a. make sure that it is not in you DHCP pool of addresses or
b. reserve the ipto the corresponding MAC Address or
c. just remove that ip address from pool after statically assigning it.

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