stop arp poisoning on a 5448 powerconnect switch

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http://serverfault.com – We have to disable arp poisoning on our dell 5448 switch. Right now it has all our production machines running on it and I'm not a networking guy at all so I don't want to run a command that will disable arp on all ports while setting up something like static arp's per port. Is there anyway to stop arp poisoning from happening while keeping it open to dynamic arp requests.. or is there a way to slowly move over. Better yet is there a way to just make 1 port have a static arp and all the others are dynamic.. thanks! (HowTos)