Hello Developers,<br><br>This is Amogh here, a Masters student at Stanford University. As a first step towards exploring CoDel, we're trying to reproduce the results on EC2 using OpenFlow + Mininet and then take it from there.<br>
<br>So far, I have CoDel with kernel 3.3 (Thanks for the deb packages! More on kernel 3.4 later), with the codel specific iproute2 patch installed.<br><br>With htb qdisc at root, and CoDel children I have an output as follows :<br>
<br>---------<br>tc -s qdisc show dev eth0<br><br>qdisc htb 1: root refcnt 2 r2q 10 default 12 direct_packets_stat 770<br> Sent 112338 bytes 961 pkt (dropped 0, overlimits 0 requeues 0) <br> backlog 0b 0p requeues 0 <br>
qdisc codel 110: parent 1:11 [Unknown qdisc, optlen=32] <br>
Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) <br> backlog 0b 0p requeues 0 <br>qdisc codel 120: parent 1:12 [Unknown qdisc, optlen=32] <br> Sent 6364 bytes 56 pkt (dropped 0, overlimits 0 requeues 0) <br> backlog 0b 0p requeues 0 <br>
qdisc codel 130: parent 1:13 [Unknown qdisc, optlen=32] <br> Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) <br> backlog 0b 0p requeues 0<br>-------------------<br><br>I was wondering why I get an Unknown qdisc, optlen=32 error, even after using the codel-specific iproute2 from Git. I noticed that the Git package has fq_codel specific code (I am using base Codel in kernel 3.3), is it not configured to handle this?<br>
<br>Thanks for your help, excited about CoDel !! Let us know if you have any suggestions.<br><br>Amogh<br>