>> On 25 Feb 2012 at 19:54, YES NOPE9 wrote: >>=20 >>> I have run a backup over a network. It has transferred approximately >>> 19 GBytes in a little over 5 hours on a 100BaseT network. [[ 19.29 >>> GByte & ( 5:14 hours =3D=3D> 18.84K seconds ) =3D=3D> 1.204 MByte/s= ec or >>> ~ 12Mbits/sec ]] Is this to be expected or is the network being >>> under-utilized ( there is no other traffic ) gus=20 1.2 to 1.3 MBps seems low for 100Mbps Ethernet signalling rate. If window sizes, network adapters, intermediate Ethernet switches, duplex settings, system buses, etc are all set up correctly, you should see 5 to 9 MBps end to end transfer rates. >> On Feb 25, 2012, at 9:11 PM, Brent Brown wrote: >>=20 >> Yes, it does seem slow. Many, many variables to consider of course, >> but by comparison I have a Gbit (1000BaseT) network and clocked it >> at something like 35MByte/sec on a large transfer. > > On 25 Feb 2012 at 20:59-PST, YES NOPE9 wrote: > > Wow 29 times faster Yes, but consider that 10X of that improvement is due to the base signalling rate of the Ethernet layer (100Mbps vs 1000Mbps). Lee Jones --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .