forum ---> https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1163867#1163867

Linksys EA8500
DD-WRT v3.0-r39705M kongat (05/01/19)
Linux 4.9.172-rc1 #391 SMP Wed May 1 19:38:17 CEST 2019 armv7l

QOS is now working with SFE enabled.