On Tue, 2014-06-24 at 09:22 -0400, Brian J. Murrell wrote: > Hi all, > > I've upgraded my router to OpenWRT Breaker Barrier r41163 which has > kernel 3.10.36 in it. I was pleased to see that codel appears (to my > very newbie eyes) to be default on what should be the > "fast->slow" (where bufferbloat happens) interfaces: > > qdisc fq_codel 0: dev eth0 root refcnt 2 limit 1024p flows 1024 quantum 300 > target 5.0ms interval 100.0ms ecn > qdisc mq 0: dev wlan1 root > qdisc mq 0: dev wlan0 root > qdisc fq_codel 0: dev pppoe-wan1 root refcnt 2 limit 1024p flows 1024 quantum > 300 target 5.0ms interval 100.0ms ecn > qdisc fq_codel 0: dev tun0 root refcnt 2 limit 1024p flows 1024 quantum 300 > target 5.0ms interval 100.0ms ecn > > So first thing to notice is that this router has two WAN interfaces but > only one of them (pppoe-wan1) has had codel applied. The other WAN > interface (eth0.2) is not even listed. > > So off I go to experiment with the WAN interface that does have codel > applied... > > So I do the saturate-and-ping test through pppoe-wan1 and ping times go > from ~12ms to ~1200ms, while saturating the upstream so clearly codel is > not working there. > > What am I doing wrong?
Maybe queue builds after the qdisc. ethtool eth0 ethtool -g eth0 _______________________________________________ Codel mailing list [email protected] https://lists.bufferbloat.net/listinfo/codel
