Date: Fri, 11 May 2007 23:30:33 -0600 (MDT) From: Brett Glass <brett@lariat.net> To: questions@freebsd.org Subject: Inverse ARP query Message-ID: <200705120530.XAA13036@lariat.net>
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Is there a command in FreeBSD that can be used to do an inverse ARP query (that is, supply a MAC address and have the device respond with its IP)? I have several hardware devices here whose IP addresses I do not know, but their MAC addresses are printed on the labels. To reprogram and reset them, I need their IPs so that I can get into them via a telnet or Web interrace. I could scan for the devices' addresses, but this would take months. But if they respond to inverse ARP queries, I can find out in an instant what their IP addresses are. --Brett Glass
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