Check out this URL on Cisco's site - looks like it may prove useful for what you are trying to do.
http://www.cisco.com/warp/public/471/ttcp.html Regards, Bruce ""Priscilla Oppenheimer"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > At 05:56 AM 3/21/02, [EMAIL PROTECTED] wrote: > >Just wondering if someone could help me out. I am trying to measure the > >link capacity over a satellite link (VSAT) and wondered if there is way of > >being able to ramp up the throughput until saturation point from the CLI? > > Throughput is a measurement of the results of putting a load on a network. > It's the quantity of error-free data successfully transferred between nodes > per unit of time, usually seconds. It depends on link capacity, processing > speed at the nodes, memory at the nodes, etc. Those would be difficult to > change, and in fact, are probably not the elements you want to vary as part > of your test anyway. > > I think what you really want to do is ramp up the load? > > It sounds like you want to do this from the router CLI. You could try an > extended ping with the largest packet possible (without fragmentation, > since fragmentation would take time) and the smallest delay between pings. > > You could try downloading a new IOS with TFTP or FTP if your router > supports FTP. (FTP is a better test because it uses max frame sizes, > whereas TFTP uses 512-byte blocks and is a ping-pong protocol that runs > above UDP, with no windowing.) > > A better approach would probably be to use something other than the CLI. > ;-) Most protocol analyzers have traffic generation features. Or you could > simply start an FTP or HTTP or video streaming or something of that sort > from a generic PC on the other side of the router. > > Priscilla > > > >Best Regards > >Scott Forbes > >Network Support & Design Team > >INVSAT Limited, Arnhall Business Park, > >Westhill, Aberdeenshire, Scotland, UK. > >www.invsat.com > ________________________ > > Priscilla Oppenheimer > http://www.priscilla.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=39111&t=39111 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

