hi all, while trying red inplace of sfq/pfifo i go the follwing error tc qdisc add dev eth0 parent 1:470 red max 12288 min 6100 limit 12288 avpkt 1514 burst 2 RED : failed to calculate EWMA constant i have the scheduling as modules, so i did insmod & tried again but the result was same ! pls can anyone tell me whats the mistake thanx in anticipation arindam haldar