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From: George Nychis <gnychis@cmu.edu>
To: LARTC@mailman.ds9a.nl, netdev@vger.kernel.org
Subject: [LARTC] how to change classful netem loss probability?
Date: Wed, 26 Apr 2006 22:46:30 +0000	[thread overview]
Message-ID: <444FF846.7050600@cmu.edu> (raw)

Hi,

I am using netem to add loss and then adding another qdisc within netem 
according to the wiki.  Then i want to change the netem drop probability 
without having to delete the qdisc and recreate it.  I try it but I get 
invalid argument:

thorium-ini hedpe # tc qdisc add dev ath0 root handle 1:0 netem drop 1%
thorium-ini hedpe # tc qdisc add dev ath0 parent 1:1 handle 10: xcp 
capacity 54Mbit limit 500
thorium-ini hedpe # tc -s qdisc ls dev ath0
qdisc netem 1: limit 1000 loss 1%
  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
qdisc xcp 10: parent 1:1 capacity 52734Kbit limit 500p
  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
thorium-ini hedpe # tc qdisc change dev ath0 root handle 1:0 netem drop 1%
RTNETLINK answers: Invalid argument
thorium-ini hedpe # tc qdisc change dev ath0 root netem drop 1%
RTNETLINK answers: Invalid argument

any ideas?

Thanks!
George
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WARNING: multiple messages have this Message-ID (diff)
From: George Nychis <gnychis@cmu.edu>
To: LARTC@mailman.ds9a.nl, netdev@vger.kernel.org
Subject: how to change classful netem loss probability?
Date: Wed, 26 Apr 2006 18:46:30 -0400	[thread overview]
Message-ID: <444FF846.7050600@cmu.edu> (raw)

Hi,

I am using netem to add loss and then adding another qdisc within netem 
according to the wiki.  Then i want to change the netem drop probability 
without having to delete the qdisc and recreate it.  I try it but I get 
invalid argument:

thorium-ini hedpe # tc qdisc add dev ath0 root handle 1:0 netem drop 1%
thorium-ini hedpe # tc qdisc add dev ath0 parent 1:1 handle 10: xcp 
capacity 54Mbit limit 500
thorium-ini hedpe # tc -s qdisc ls dev ath0
qdisc netem 1: limit 1000 loss 1%
  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
qdisc xcp 10: parent 1:1 capacity 52734Kbit limit 500p
  Sent 0 bytes 0 pkts (dropped 0, overlimits 0)
thorium-ini hedpe # tc qdisc change dev ath0 root handle 1:0 netem drop 1%
RTNETLINK answers: Invalid argument
thorium-ini hedpe # tc qdisc change dev ath0 root netem drop 1%
RTNETLINK answers: Invalid argument

any ideas?

Thanks!
George

             reply	other threads:[~2006-04-26 22:46 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-04-26 22:46 George Nychis [this message]
2006-04-26 22:46 ` how to change classful netem loss probability? 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
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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