TCP? I think you're running Canopy. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mar 4, 2015 11:26 PM, "Ken Hohhof" <[email protected]> wrote:
> No caching. No prioritization except DSCP for VoIP. > > *From:* That One Guy <[email protected]> > *Sent:* Wednesday, March 04, 2015 10:13 PM > *To:* [email protected] > *Subject:* Re: [AFMUG] downloads stalling but streaming, speedtests, etc. > OK > > youre not caching anything? prioritization? > > On Wed, Mar 4, 2015 at 10:10 PM, Ken Hohhof <[email protected]> wrote: > >> I can't figure this out, but it seems like the sort of thing someone else >> here will say "oh, I know what causes that". >> >> I've been tracking a smattering of customer complaints about downloads >> just stopping, and finally was able to reproduce it. I Googled for large >> file downloads and took the first one that came up: >> https://www.futurehosting.com/network-test-files/ >> and found the downloads would stop repeatedly at the same point. >> Different for each file and server location, but the same for repeated >> downloads of the same file. For example the 100MB file from Michigan kept >> stopping at 8MB. It chugged along fine, then slowed dramatically and >> stopped, with no traffic either direction. Yet a ping to the same IP >> address never had a problem. >> >> Note it is NOT the computer, the server, or last mile radios. I was able >> to see it going only through backhaul radios and routers, no AP/CPE. And >> it works fine with the same computer here at my house on AT&T. >> >> Tomorrow I need to chase it back toward my network border. I am not >> conversant with Wireshark so have not done that yet, am not looking forward >> to it. One pesky customer claims to have done that and seen TCP retries >> and out-of-order packets, maybe he's right, maybe he is just >> misinterpreting the data. >> >> So .............. what can cause HTTP downloads to stall and stop, while >> other stuff like Youtube and Hulu and speedtest.net are fine? >> >> > > > -- > If you only see yourself as part of the team but you don't see your > team as part of yourself you have already failed as part of the team. >
