[nsp] cannot burst the line

Robert E. Seastrom rs@seastrom.com
12 Sep 2002 11:49:46 -0400


"Felix Lee" <felixlee_hk@hotmail.com> writes:

> I have a 512K link, the link can be bursted to ceiling in day time.  I
> have scheduled a job to copy around 3GB data from one end to another
> atthe night time, and which was expected to be completed at around 13
> to 14 hours, but we have only got half of the volume transferred.
> Monitoring by MRTG, we found the utilization of the link is flat at
> around 220kbps during file copying.  Can someone tell me why I cannot
> fully utilize the bandwidth?  How can I make it?

I suspect you'll find the answer in the equipment on both ends' TCP
stacks.  What are the machines, and what is the latency across the
link (both when the link is idle except for your ping, and when the
copy is in progress)?

                                        ---rob