[email protected] wrote: > We just engaged MAC locking across our whole network. We have seen a > few strange MAC Lock violations from ports with HP Jetdirect printers > connected to them. > > Here are the strange MAC addresses we got as violations: > > 2C 00 1B 78 EC 0B > > 68 70 2D 50 43 4C > > These addresses no not decode to any known manufacturer and are not the > MAC addresses of the jetdirect cards. > > I think they are generated on IPX/SPX, or perhaps AppleTalk, which IS > enabled unnecessarily on these printers. > > Has anyone else seen HP printers throw wierd MAC addresses like this? > We turned off IPX and Appletalk a while ago, but it does sound like you're on the right track. If you disable these extra protocols on the printer, do the extra MAC addresses go away?
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