From: Jonathan Morton <chromatix99@gmail.com>
To: Forums1000 <forums1000@gmail.com>
Cc: bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Bloat] I am unable to pinpoint the source of bufferbloat
Date: Sat, 9 Feb 2013 16:33:21 +0200 [thread overview]
Message-ID: <CAJq5cE16LRAYbLQ7antUBQxG2A+Q9=PYY_mPk3++CXfuRN=7Ng@mail.gmail.com> (raw)
In-Reply-To: <CANfPCkUesuUA4wMstNYJ-ehNXyWaCRG49Mw7HevnffR_Ed0a6A@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1361 bytes --]
What's the uplink speed from your modem onwards? If that's less than
100Mbit then your bottleneck is still there after all you've done. That's
where your bloat will be too.
- Jonathan Morton
On Feb 9, 2013 11:53 AM, "Forums1000" <forums1000@gmail.com> wrote:
> Hi everyone,
>
> Can anyone give some tips on how to diagnose the sources of bufferbloat?
> According to the Netalyzr test at http://netalyzr.icsi.berkeley.edu/, I
> have 550ms of upload bufferbloat. I tried all kinds of stuff on my Windows
> 7 laptop:
>
> - For the Intel(R) 82567LF Gigabit Network Connection, I put receive and
> transmit buffers to the lowest value of 80 (80 bytes? 80 packets? I don't
> know). I also disabled interrupt moderation.
> Result? Still 550ms.
> - Then I connected my laptop directly to my cable modem, bypassing my
> Mikrotik 450G router. Result? Still 550ms of bufferbloat.
> - Then I put a 100 megabit switch between the cable modem an the laptop
> (as both cable modem and Intel NIC are gigabit). Result? Still 550ms of
> upload bufferbloat.
>
> I'm out of ideas now. It seems I can't do anything at all to lower
> bufferbloat. Or the Netalyzr test is broken?:-)
>
> many thanks for your advice,
> Jeroen
>
>
> _______________________________________________
> Bloat mailing list
> Bloat@lists.bufferbloat.net
> https://lists.bufferbloat.net/listinfo/bloat
>
>
[-- Attachment #2: Type: text/html, Size: 1866 bytes --]
next prev parent reply other threads:[~2013-02-09 14:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-09 9:52 Forums1000
2013-02-09 14:33 ` Jonathan Morton [this message]
2013-02-09 16:34 ` Dave Taht
2013-02-09 17:27 ` Forums1000
2013-02-09 18:15 ` Jonathan Morton
2013-02-09 18:32 ` Forums1000
2013-02-09 19:10 ` this_is_not_my_name nor_is_this
2013-02-09 19:58 ` Dave Taht
[not found] ` <CANfPCkVSDxMF95rxd65WvX3EnN8DZ2=os+GE6wGgntE0bkvy=A@mail.gmail.com>
2013-02-09 22:06 ` Forums1000
2013-02-09 22:36 ` Dave Taht
2013-02-10 16:42 ` Forums1000
2013-02-10 16:55 ` Jonathan Morton
2013-02-09 18:48 ` this_is_not_my_name nor_is_this
2013-02-09 19:07 ` Forums1000
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://lists.bufferbloat.net/postorius/lists/bloat.lists.bufferbloat.net/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CAJq5cE16LRAYbLQ7antUBQxG2A+Q9=PYY_mPk3++CXfuRN=7Ng@mail.gmail.com' \
--to=chromatix99@gmail.com \
--cc=bloat@lists.bufferbloat.net \
--cc=forums1000@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox