[Netem] [Fwd: Error on netem page]

David Ames david at linuxfoundation.org
Tue May 4 08:00:38 PDT 2010

-------- Original Message --------
Subject: Error on netem page
Date: Tue, 4 May 2010 14:01:31 +0100
From: Piers O'Hanlon <p.ohanlon at cs.ucl.ac.uk>
To: webmaster at linuxfoundation.org


I've read your website with interest but I came across an error on the
following page and section:

The netem qdisc cannot have any parents so your suggested technique of
combining netem and tbf fails - it needs to be done in reverse (also
as observed here:
tc qdisc add dev eth1 root handle 1: tbf rate 256kbit buffer 1600 limit 3000
tc qdisc add dev eth1 parent 1: handle 10: netem delay 150ms

I think your website is widely cited so it would be good to correct the 


Piers O'Hanlon

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