From: Stephen Hemminger <shemminger@osdl.org>
To: George P Nychis <gnychis@cmu.edu>
Cc: George Nychis <gnychis@cmu.edu>,
lartc@mailman.ds9a.nl, netdev@vger.kernel.org
Subject: Re: [LARTC] how to change classful netem loss probability?
Date: Fri, 28 Apr 2006 17:24:21 +0000 [thread overview]
Message-ID: <20060428102421.7d304ca6@localhost.localdomain> (raw)
In-Reply-To: <32923.128.2.140.234.1146187103.squirrel@128.2.140.234>
Loss was broken, patch sent.
The following works now:
# tc qdisc add dev eth1 root handle 1:0 netem loss 20%
# tc qdisc add dev eth1 parent 1:1 handle 10: tbf \
rate 256kbit buffer 1600 limit 3000
# ping -f -c 1000 shell
1000 packets transmitted, 781 received, 21% packet loss, time 3214ms
rtt min/avg/max/mdev = 0.187/0.398/3.763/0.730 ms, ipg/ewma 3.217/0.538 ms
# tc qdisc chang dev eth1 handle 1: netem loss 1%
# ping -f -c 1000 shell
1000 packets transmitted, 990 received, 1% packet loss, time 2922ms
rtt min/avg/max/mdev = 0.187/2.739/3.298/0.789 ms, ipg/ewma 2.924/2.084 ms
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WARNING: multiple messages have this Message-ID (diff)
From: Stephen Hemminger <shemminger@osdl.org>
To: "George P Nychis" <gnychis@cmu.edu>
Cc: "George Nychis" <gnychis@cmu.edu>,
lartc@mailman.ds9a.nl, netdev@vger.kernel.org
Subject: Re: [LARTC] how to change classful netem loss probability?
Date: Fri, 28 Apr 2006 10:24:21 -0700 [thread overview]
Message-ID: <20060428102421.7d304ca6@localhost.localdomain> (raw)
In-Reply-To: <32923.128.2.140.234.1146187103.squirrel@128.2.140.234>
Loss was broken, patch sent.
The following works now:
# tc qdisc add dev eth1 root handle 1:0 netem loss 20%
# tc qdisc add dev eth1 parent 1:1 handle 10: tbf \
rate 256kbit buffer 1600 limit 3000
# ping -f -c 1000 shell
1000 packets transmitted, 781 received, 21% packet loss, time 3214ms
rtt min/avg/max/mdev = 0.187/0.398/3.763/0.730 ms, ipg/ewma 3.217/0.538 ms
# tc qdisc chang dev eth1 handle 1: netem loss 1%
# ping -f -c 1000 shell
1000 packets transmitted, 990 received, 1% packet loss, time 2922ms
rtt min/avg/max/mdev = 0.187/2.739/3.298/0.789 ms, ipg/ewma 2.924/2.084 ms
next prev parent reply other threads:[~2006-04-28 17:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-26 22:46 [LARTC] how to change classful netem loss probability? George Nychis
2006-04-26 22:46 ` George Nychis
2006-04-28 1:18 ` [LARTC] " George P Nychis
2006-04-28 1:18 ` George P Nychis
2006-04-28 17:24 ` Stephen Hemminger [this message]
2006-04-28 17:24 ` Stephen Hemminger
2006-05-04 23:35 ` George P Nychis
2006-05-04 23:35 ` George P Nychis
2006-05-05 15:08 ` [LARTC] where i can find this netem patch? George Nychis
2006-05-05 15:08 ` George Nychis
2006-05-05 17:15 ` [LARTC] Re: [Netem] " Stephen Hemminger
2006-05-05 17:15 ` Stephen Hemminger
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