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From: Stephen Hemminger <stephen@networkplumber.org>
To: Russell Strong <russell@strong.id.au>
Cc: netdev@vger.kernel.org
Subject: Re: amplifying qdisc
Date: Wed, 8 Jul 2020 23:26:34 -0700	[thread overview]
Message-ID: <20200708232634.0fa0ca19@hermes.lan> (raw)
In-Reply-To: <20200709161034.71bf8e09@strong.id.au>

On Thu, 9 Jul 2020 16:10:34 +1000
Russell Strong <russell@strong.id.au> wrote:

> Hi,
> 
> I'm attempting to fill a link with background traffic that is sent
> whenever the link is idle.  To do this I've creates a qdisc that will
> repeat the last packet in the queue for a defined number of times
> (possibly infinite in the future). I am able to control the contents of
> the fill traffic by sending the occasional packet through this qdisc.
> 
> This is works as the root qdisc and below a TBF.  When I try it as a
> leaf of HTB unexpected behaviour ensues.  I suspect my approach is
> violating some rules for qdiscs?  Any help/ideas/pointers would be
> appreciated.

Netem can already do things like this. Why not add to that


  reply	other threads:[~2020-07-09  6:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09  6:10 amplifying qdisc Russell Strong
2020-07-09  6:26 ` Stephen Hemminger [this message]
2020-07-12  1:40   ` Russell Strong
2020-07-13 16:52     ` Stephen Hemminger
2020-07-20  1:39       ` Russell Strong

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