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From: Mick <michaelkintzios@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] PMTUD
Date: Sun, 1 Sep 2013 13:00:51 +0100
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References: <CAN0CFw1NOD-cfwwOZuU8geHbLP7kzgc9FRGa+3nRFp9sbBGowA@mail.gmail.com> <201309010937.48181.michaelkintzios@gmail.com> <CAN0CFw1-gttSL_N1aMh9QRsJDfRHEEsXLMPgDw--RbxPNXGc4w@mail.gmail.com>
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On Sunday 01 Sep 2013 11:31:10 Grant wrote:
> > If you are still troubled by the proxy connection stalling problem, have
> > you tried transferring large files over the network using scp/sftp to
> > see if you are also getting similar symptoms? This would isolate it to
> > the application level (squid) or if the problem remains would point to
> > network configuration issues.
>=20
> How can I make this determination? I'm testing a 50MB scp over hotel
> wifi from my laptop to the remote proxy server now (with squid running
> in case it matters) and it seems OK. It oscillates constantly between
> 0.0KB/s and 80.0KB/s. As soon as I start browsing via the proxy
> server, the upload frequently goes to "stalled" but I suppose that
> could be a bandwidth issue. Browsing still stalls before very long.
The oscillation is related to buffering and is normal. If you are getting=
=20
longer stalling periods where no packets are being transmitted then there=20
could be a network problem. iptraf-ng, ntop and other tools can show if=20
packets have stopped moving in either direction.
=46rom what you're describing the problem seems related to the squid=20
application, since scp is not seeing similar timeouts.
=2D-=20
Regards,
Mick
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