1. Buat Conn Mark
WINBOX > IP > FIREWALL > MANGLE>
[+] ADD NEW
chain = Prerouting
protocol = TCP(6)
src Port = 21,80 ( umumnya download ambil dari port 80 dan 21 ( http dan ftp ) )
in interface = ETHER 1
(masuk ke TAB advance)
connection bytes = 262146-4294967295 ( artinya batas file ter kecil yang kena filter 256kb)
(masuk TAB action)
Action = mark connection
New Connection Mark = Download
Passtrough = [V] <- centang
2. Buat Packet Mark
[+] ADD NEW
chain = Prerouting
in interface = ETHER 1
Connection Mark = Download
(masuk TAB action)
Action = mark packet
New Packet Mark = Download

3. Buat Queue Type
WINBOX > QUEUES > QUEUE TYPES
[+] ADD NEW
name = shape
kind = pcq
( pindah tab setting )
rate = 256000 <- kita batasi Download hanya di 256kbps...
limit dan total limit biarin tetep..
clasifier = src. Address [v] <-- centang

4.Buat Queue Tree
WINBOX > QUEUES > QUEUE TREE
[+] ADD NEW
name = Download
parent = global in
packet mark = Download
queue type = shape
max limit = 256000

Source : http://www.forummikrotik.com/70947-post1.html