---------- Original Message ---------------------------------- From: "Joseph L. Casale" <JCasale at activenetwerx.com> Reply-To: CentOS mailing list <centos at centos.org> Date: Tue, 9 Sep 2008 12:40:48 -0600 >>Not a laptop it is a server with dual nics mtu set at 1500, 1 nic directly to the cable modem the other to my lan. > >MTU has nothing to do with laptops, it has to do with TCP/IP. >Aside from a previous posters duplex setting (good catch on his part) its >possible that MTU is an issue. Some ISP's do some silly stuff. You >*are* going into a cable modem (which I read as accessing the internet >through some means other than a high-end fiber/etc connection where oddities >wouldn't likely exist:>) > >jlc >_______________________________________________ >CentOS mailing list >CentOS at centos.org >http://lists.centos.org/mailman/listinfo/centos > The MTU setting of 1500 is optimal for that connection from what I read and according to tweak tests and I was just clarifying that the pc in question was not a laptop I am aware that MTU is TCP related and I agree sometimes there are funny things that happen with that, based on other tests I have done with other devices kind of rules out MTU it seems to be more a duplexing issue or driver issue I think. Both myself and the cable guy have hooked a laptop to the cable modem all beit they are windows laptops with the same settings and speed tests were normal. ________________________________________________________________ Sent via the WebMail system at mail.dsli.com