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fq_codel latency spikes

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Curdie:
The ethernet link to my Metro-E switch port was set to auto-negotiate on both sides and had negotiated half-duplex 100 Mbps. Switched to 100 Mbps full-duplex. Frontier engineer also removed shaping on my link. Problems seem to have gone away. Wish I knew which change made the difference, but I am extremely happy to have a resolution. I now get the best results with  the recommended settings for a 10 megabit link, and an 8.5 megabit pipe limit:


--- Code: ---10000:   8.500 Mbit/s    0 ms burst 0
q75536  50 sl. 0 flows (1 buckets) sched 10000 weight 0 lmax 0 pri 0 droptail
 sched 10000 type FQ_CODEL flags 0x0 0 buckets 1 active
 FQ_CODEL target 1ms interval 3ms quantum 1514 limit 10240 flows 1024 ECN
   Children flowsets: 10002 10000
BKT Prot ___Source IP/port____ ____Dest. IP/port____ Tot_pkt/bytes Pkt/Byte Drp
  0 ip           0.0.0.0/0             0.0.0.0/0        1     1500  0    0   0
10001:   8.500 Mbit/s    0 ms burst 0
q75537  50 sl. 0 flows (1 buckets) sched 10001 weight 0 lmax 0 pri 0 droptail
 sched 10001 type FQ_CODEL flags 0x0 0 buckets 0 active
 FQ_CODEL target 100ms interval 5ms quantum 300 limit 600 flows 1024 NoECN
   Children flowsets: 10001 10003

--- End code ---

Additional practical testing will be required to verify that it is indeed fixed, but I am optimistic!

muchacha_grande, thank you so much for taking the time to help me. Having a second set of eyes look my rules over made me a lot more confident about calling Frontier for help.

muchacha_grande:
You're wellcome...

Glad to see it's solved.

Cheers...

PS: In my case, I have 50 Mbit downstream/10 Mbit upstream fiber. I had to set limiter about 7.5 Mbit upload to qualify A+. I think it's because with a home class connection you can't get full speed and high quality at the same time.

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