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arp and dhcp

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by homer simpson instructor at large 1 view

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If i use ARP to reserve an IP for address for a particular MAC address, what is the advantage to using reservations in DHCP in Windows 2000. Should my entries in ARP show up in DHCP? Currently they do not. Why?

5 replies

by some guy in seattle

Reserving an IP for a particular MAC can be useful for a device that may be moved, switched off for some length of time, or has a DNS/NetBIOS name matched to the IP, or for whatever reason makes it inconvenient to keep a static IP actually on the machine itself.

Your ARP entries are local to the machine you put them on and won't show on other machines.

Hope that helps,

by dc1

You would normally use reservations i DHCP for printers, CD Towers, or other devices that you wouldn't want the IP address to keep changing on.

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