<div dir="ltr">Hi Chad, <div><br></div><div><br></div><div><div>Jitter & Loss info:</div><div><br></div><div><p><span style="font-size:12.8px">alias jitteron='tc qdisc add dev eth1 root handle 1: netem delay 40ms 20ms ; tc qdisc add dev eth1 parent 1:1 pfifo limit 1000'</span></p><p><span style="font-size:12.8px">alias joff='tc qdisc del dev eth1 root netem'</span></p><p><span style="font-size:12.8px">alias jon='tc qdisc del dev eth1 root netem ; sleep 1; tc qdisc add dev eth1 root netem delay 200ms reorder 75% gap 1'</span></p><p><span style="font-size:12.8px">alias jon2='tc qdisc del dev eth1 root netem ; sleep 1; tc qdisc add dev eth1 root netem delay 20ms reorder 10% gap 1'</span></p><p><span style="font-size:12.8px">alias jon3='tc qdisc del dev eth1 root netem ; sleep 1; tc qdisc add dev eth1 root netem delay 100ms reorder 25% gap 1'</span></p><p><span style="font-size:12.8px">alias jonl='tc qdisc del dev eth1 root netem ; sleep 1; tc qdisc add dev eth1 root netem loss 15%'</span></p><p><span style="font-size:12.8px">alias jshow='tc qdisc show dev eth1'</span></p><p><span style="font-size:12.8px">alias loss='tc qdisc change dev eth1 root netem loss '</span></p><p><br></p><p>You will have to adapt them to suit your need...<br></p></div></div><div><br></div><div><div>Also, I would have a look at <a href="https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse/support-d/.bashrc" target="_blank">https://freeswitch.org/stash/<wbr>projects/FS/repos/freeswitch/<wbr>browse/support-d/.bashrc</a><br></div><div></div></div><div><br></div><div>Best, </div><div>Joel.</div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, Sep 2, 2016 at 4:36 PM, Chad Phillips <span dir="ltr"><<a href="mailto:chad@apartmentlines.com" target="_blank">chad@apartmentlines.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Anybody here a master of the Linux Traffic Control program?<div><br></div><div><a href="http://lartc.org/manpages/tc.txt" target="_blank">http://lartc.org/manpages/tc.t<wbr>xt</a><br></div><div><br></div><div>Asking because I have a need for a script that will allow me to simulate different types of internet connections (shitty 3G, DSL, wifi, etc), for the purposes of quality testing a WebRTC implementation.</div><div><br></div><div>I’d like to use tc (and perhaps iptables if that would help) to as closely simulate the various conditions (asymmetric bandwidth, packet loss, etc.) as possible.</div><div><br></div><div>I’m willing to pay for the help, and would be happy to donate the work back as open source.</div></div>
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