https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104047#M87600 Also good is ethtool <BR /><BR />Have a look at man ethool, it is a very complete tool also.<BR /><BR />J-P <BR /> Tue, 28 Oct 2003 10:17:25 GMT Huc_1 2003-10-28T10:17:25Z https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104044#M87597 How to know if a NIC is operating at half or full duplex?<BR />And how to change this config?<BR /><BR />Tks,<BR />Scrivano Tue, 28 Oct 2003 07:54:45 GMT https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104044#M87597 Scrivano 2003-10-28T07:54:45Z https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104045#M87598 Try this article: <BR /><A href="http://www.linuxquestions.org/questions/archive/3/2003/09/2/90671" target="_blank">http://www.linuxquestions.org/questions/archive/3/2003/09/2/90671</A><BR /><BR />There are a few commands that might work.<BR /><BR />Search <A href="http://tldp.org" target="_blank">http://tldp.org</A> for Duplex and see what comes up there.<BR /><BR />SEP Tue, 28 Oct 2003 08:25:38 GMT https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104045#M87598 Steven E. Protter 2003-10-28T08:25:38Z https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104046#M87599 you could try using mii-tool if it's on your system.<BR /><BR />mii-tool -v to check the nic card<BR /><BR />And to change settings.<BR /><BR />mii-tool -F 100baseTx-HD eth0<BR />mii-tool -F 100baseTx-FD eth0<BR />mii-tool -F 10baseT-HD eth0<BR />mii-tool -F 10baseT-FD eth0<BR /><BR />Cheers<BR /><BR />George<BR /> Tue, 28 Oct 2003 08:29:54 GMT https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104046#M87599 George_Dodds 2003-10-28T08:29:54Z https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104047#M87600 Also good is ethtool <BR /><BR />Have a look at man ethool, it is a very complete tool also.<BR /><BR />J-P <BR /> Tue, 28 Oct 2003 10:17:25 GMT https://community.hpe.com/t5/operating-system-linux/half-or-full-duplex-how-to-know/m-p/3104047#M87600 Huc_1 2003-10-28T10:17:25Z