Hi Nishant -
As a possible alternate solution...
If you don't need the curvature feature of HFSC, then HTB will work just
as well. It handles the hierarchy and bandwidth sharing. Some may
express concern HTB is slower at high bandwidths. This isn't entirely
true. The HTB parameters "burst" and "cburst" are the bucket(s). These
two parameters need to be sized to hold about 0.5 [ms] of flow (or min.
MTU+10%). Otherwise, each time the bucket is empty a software interrupt
occurs. With whatever the router needs to do, this can hurt throughput.
You can look at the sqm-scripts github history
[https://github.com/tohojo/sqm-scripts] for some of the discussions
comparing the different shapers.
- Eric
On 11/24/2017 12:43 AM, Nishant Sharma wrote:
Hi,
The bug in HFSC and SCH is big issue for us as we can't do QoS
reliably. I had to rollback to OpenWrt 15.05.1 in order to resolve the
issue.
Is there a way where I could specify an older kernel version while
building the firmware using source of 17.01.4?
Thanks in advance for pointers.
Regards,
Nishant
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