[CentOS] find IP address of device on network based on MAC address
Les Mikesell
lesmikesell at gmail.comFri Dec 14 20:21:26 UTC 2007
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Jerry Geis wrote: > I have a device on my network that is not DHCP and I dont know the IP > address of it > and it has not method of finding it or changing it unless you know the > IP address (setable by browser). > > Is there a way on linux, based on MAC address, to get the IP of the unit? You accumulate a table of mac<->ip assocations, but only after communicating with something. arp -a will show the current entries (which expire fairly quickly). You might ping everything in the network range, then look for the mac in the arp list. -- Les Mikesell lesmikesell at gmail.com
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