https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724287#M24770 <BR />Thanks Pieter, it was what I suspected.<BR /><BR />Just out of interest, can it be done in any other Procurve switches? Mon, 13 Dec 2010 10:23:32 GMT macrocozm 2010-12-13T10:23:32Z https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724285#M24768 <BR />A quickie: I wanna block MAC addresses by the vendor part in a 2800 switch, is that possible?<BR /><BR />/Mikael Thu, 09 Dec 2010 13:43:11 GMT https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724285#M24768 macrocozm 2010-12-09T13:43:11Z https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724286#M24769 You mean like using a wildcard in a MAc-adress?<BR /><BR />that won't be possible. Mon, 13 Dec 2010 08:26:19 GMT https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724286#M24769 Pieter 't Hart 2010-12-13T08:26:19Z https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724287#M24770 <BR />Thanks Pieter, it was what I suspected.<BR /><BR />Just out of interest, can it be done in any other Procurve switches? Mon, 13 Dec 2010 10:23:32 GMT https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724287#M24770 macrocozm 2010-12-13T10:23:32Z https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724288#M24771 It will be hard to find any switch brand that offers this option. Mon, 13 Dec 2010 13:00:08 GMT https://community.hpe.com/t5/switches-hubs-and-modems/mac-filtering/m-p/4724288#M24771 Pieter 't Hart 2010-12-13T13:00:08Z