On Fri, Nov 19, 2010 at 4:16 PM, Michael D. Berger <m_d_berger_1900 at yahoo.com> wrote: > On my intranet, I sometimes transfer large files, about 4G, > to an CentOS old box that I use for a web server. I transfer > with ftp or sftp. Usually, before the file is complete, the > transfer "stalls". At that point, ping from the destination box > to the router fails. I then deactivate the net interface on the > destination box and then activate it. Ping is then successful, > and the transfer is completed. The transferred file is correct, > as verified with sha1sum. > > All connections are via cat6 wire. > > So what do you think? Should I try changing the net card? > Any tests to run? Any other suggestions? > It could be buffering the transfer then writing it. I notice this on a small xen image I use as a file server.