I would repeat the same test with htb+fq_codel.
On 7/16/16 11:35 AM, Kevin Darbyshire-Bryant wrote: > Hi guys, > > Encountering some behaviour that I don't understand. Line is a 40/10 > cake limited to 39000/9840. Overheads 12, 'dual-dsthosts' in ingress, > 'dual-srcshosts' on engress - limiting the on the WAN line. Take a look > at my ping response graph > > http://www.thinkbroadband.com/ping/share/9822cb5160582fa6abee29b60d807766-16-07-2016.html > > > Around 20:30 I fired up a windows machine that was behind on its updates > so it generated a bit of ingress traffic. Note the comparatively high > latency (40ms) and stupidly high ping packet loss (50%) The 3-5ms > steady (blue) latency you can see is a system backup (so egress traffic) > running till around 23:00. > > The really strange bit is that cake stats show it has only dropped 10 > (yes 10!) packets. > > I'm not the only person encountering 'interesting' behaviour with regard > to windows updates inducing high latency and high packet loss. It's as > if cake weren't there managing flows and this is the ISP's rate limiter > in action. > > Kevin > > _______________________________________________ > Cake mailing list > [email protected] > https://lists.bufferbloat.net/listinfo/cake _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
