Answered question

Bufferbloat Download with Hitron CODA-4680 Firmware 2.0.10.43b8

Hi here,

It's a topic for expert technical problem.

I explain the problem with Hitron CODA-4680 Firmware 2.0.10.43b8

When i DOWNLOAD and try to PING the Bufferbload is big :

PING ping.ovh.ca (8.33.137.106): 56 data bytes
64 bytes from 8.33.137.106: icmp_seq=0 ttl=251 time=157.591 ms
64 bytes from 8.33.137.106: icmp_seq=1 ttl=251 time=189.238 ms
64 bytes from 8.33.137.106: icmp_seq=2 ttl=251 time=448.855 ms
64 bytes from 8.33.137.106: icmp_seq=3 ttl=251 time=339.850 ms
64 bytes from 8.33.137.106: icmp_seq=4 ttl=251 time=273.168 ms
64 bytes from 8.33.137.106: icmp_seq=5 ttl=251 time=482.245 ms
64 bytes from 8.33.137.106: icmp_seq=6 ttl=251 time=303.433 ms
64 bytes from 8.33.137.106: icmp_seq=7 ttl=251 time=497.887 ms
64 bytes from 8.33.137.106: icmp_seq=8 ttl=251 time=299.360 ms
64 bytes from 8.33.137.106: icmp_seq=9 ttl=251 time=219.606 ms
64 bytes from 8.33.137.106: icmp_seq=10 ttl=251 time=96.023 ms
64 bytes from 8.33.137.106: icmp_seq=11 ttl=251 time=369.478 ms
64 bytes from 8.33.137.106: icmp_seq=12 ttl=251 time=84.453 ms
64 bytes from 8.33.137.106: icmp_seq=13 ttl=251 time=416.066 ms
64 bytes from 8.33.137.106: icmp_seq=14 ttl=251 time=379.314 ms

Is only appear with Firmware 2.0.10.43b8

I have try with another people on this forum:
https://www.dslreports.com/forum/r32336410-Bufferbloat-en...

And we are all in trouble with this firmware, so PLEASE Fizz :) update the firmware or downgrade it :)

NO ISSUE with 2.0.10.41 firmware !!!!

Another page to speak for the Hitron CODA 4680 is Bad :(
https://badmodems.com/Forum/app.php/badmodems

Regards,

samisheikh
samisheikh

samisheikh

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Hi Mehdi,

Good find, at first I was skeptical at the ping times and I thought it was BGP's doing because it does try to choose the best path possible after the hand off is done from the modem to Videotron's servers. In this case the issue lies with the modem's QoS system which is inadvertently controlled by the firmware.

I read the DSLR posts, and it does seem to allude that 2.0.10.43b8 has tons of bugs, and that 2.0.10.41 doesn't have the same QoS issues along with 2.0.10.42b6 but these firmwares have their own issues, particularly wifi it seems.

I will open a ticket with Fizz support but I doubt they will do anything until Hitron and Videotron decide to change the firmware.

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Yes I can also confirm that the problems are at the firmware level. When we receive a new modem with Fizz, it comes with 2.0.10.41 and it eventually gets upgraded to 2.0.10.43b8 which is when the bufferbloat on the download side occurs.
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In the dslreports thread, I'm "karyjuice" and as I said in the thread, I have make a complaint to the CPRST and they are now investigating the issue. Honestly I don't think it will help the devs to create a better software faster but whatever.
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If only we could lock the firmware to 2.0.10.41 that would be ideal for me since I'm using my own router for the wifi. But I'm not sure where in the thread you read that the update resolves a wifi issue?
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¯\_(ツ)_/¯