North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: TCP tools.
tcpdump/unix At 03:36 AM 7/16/1999 -0600, Forrest W. Christian wrote: > >I really can't think of a better place to ask this, so If anyone has any >ideas of a place better suited please let me know (no flames please). > >I'm looking for a (free or quite inexpensive) tool to help diagnose some >bizzare TCP problems we're having with some TCP flows stalling exactly 32k >into the transfer. This isn't the same file and it's almost exacly 32k >each time... but I digress. > >Is there a tool out there that can sniff a TCP flow and do some basic >analysis such as missed acks, duplicate packets, Window Sizes, etc. etc. >Mainly, I'm looking at something which can compare what it sees with some >semblance of a normal flow and pick out "errors". Other tools to track >down stalls would be helpful also. No, I'm not looking for ping tools or >flood tools, etc., but instead something which can help me determine why >this particular TCP implementation is stalling consistently in serveral >different environments so I can go yell at the vendor. > >I realize that most if not all packet sniffers will provide the >information neccessary to do this analysis by hand, but picking apart >multiple flows bit by bit can be tedious and error prone, and not >something I particularly want to do if there is an easier way. > >Thanks for all pointers. > >- Forrest W. Christian ([email protected]) KD7EHZ >---------------------------------------------------------------------- >iMach, Ltd., P.O. Box 5749, Helena, MT 59604 http://www.imach.com >Solutions for your high-tech problems. (406)-442-6648 >---------------------------------------------------------------------- >
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