Barbeau Roger said: > Hi! > On setting in MRTG look strange for me: > > MaxBytes[10.6.2.2_1]: 12500000 > > Ethernet 10 mb = 1250000 > Ethernet 100 mb = 12500000 > Why does MRTG set the : > <TR><TD>Max Speed:</TD> <TD>12.5 MBytes/s</TD></TR> > To 12.5 mb? > Usually a 10 mb network should have real speed of 4 to 6 mb > So why not 40 to 60 mb on a 100 mb network????
because if you have good cables, NICs, switches & operating systems you can come real close to the 12.5MByte/second limit @ 100Mbit. I often see 8-9MB/s transfers on my network, and once or twice while testing I mangaged to get about 11.5-11.8MB/s with ftp. though these are always burst transfers, only a few dozen megs at a time usually, not sustained for any length of time. With higher end systems they could sustain such a rate. testing my local LAN now, with wget on a 40MB file, wget says: 14:01:33 (10.31 MB/s) - `file.mpg' saved [39096652/39096652] and that is going over NFS NFS file-> web server -> web client -> local file transferring a much larger file from the same server(though not originating on NFS, wget says: 14:04:52 (8.90 MB/s) - `filename.iso' saved [610879488/610879488] (much of the time was 9.0-10.5MB/s) both systems are linux 2.2.19, with good cables connected to each other by a extreme networks summit 48 switch(~18Gbps backplane). nate -- Unsubscribe mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/mrtg FAQ http://faq.mrtg.org Homepage http://www.mrtg.org WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
