could also be tower mites, they feed on bytes, while wearing tights and flying kites
On Wed, Mar 4, 2015 at 11:18 PM, Glen Waldrop <[email protected]> wrote: > I've got one similar to that. > > DNS doesn't work. > > TCP works okay, but DNS just absolutely fails. > > Turns out the Ethernet port is dying on me. I've got extra hardware in the > air, so quick fix is a wireless shot from the AP to the ground to the > switch that feeds the PTP shots. > > It'll work until I can fix it properly. > > What is happening in my case is the Ethernet is dropping packets, frames, > something. TCP retransmits, UDP just disappears. > > Not sure if that will explain your broken download issue, but it is one of > those odd problems. > > Could be the server side is just dropping the connection after 100+ > retransmits. > > > > > ----- Original Message ----- From: "Ken Hohhof" <[email protected]> > To: <[email protected]> > Sent: Wednesday, March 04, 2015 10:10 PM > Subject: [AFMUG] downloads stalling but streaming, speedtests, etc. OK > > > > >> 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.
