[ale] corrupted download of ubuntu-6.10 from gtlib.gatech.edu via Comcast

Jim Popovitch jimpop at yahoo.com
Fri Oct 13 22:23:34 EDT 2006


On Fri, 2006-10-13 at 09:43 -0400, Jerry Yu wrote:
> Were you referring to TCP retransmission by "wget should retry every
> packet that fails"?

TCP retry requests are handled at the NIC level, but disconnects should
be retried by wget.

> 
> For troubleshooting (assume the problem persists and is life-and-death
> situation at work), what kinda of tools should one use?   I'd have
> attempted tcpdump or ethereal, if the size were more manageable. 

Tools to debug download issues?  Well, that's going to require a tool(s)
that will move known data from one point to another and track every hop
and packet as well as verify the contents along the way.  Most people
are satisfied with simple tools like mtr, ping, traceroute, but there
are some heavy weight protocol analyzers and sniffers that will do a
much more thorough job. 

-Jim P.




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