TransparentTrafficShaper - Mikrotik v.3

/ interface bridge
add name="bridge1"
/ interface bridge port
add interface=ether2 bridge=bridge1
add interface=ether3 bridge=bridge1
/ interface bridge settings
set use-ip-firewall=yes

/ ip firewall mangle
add chain=prerouting protocol=tcp dst-port=80 action=mark-connection \
new-connection-mark=http_conn passthrough=yes
add chain=prerouting connection-mark=http_conn action=mark-packet \
new-packet-mark=http passthrough=no
add chain=prerouting p2p=all-p2p action=mark-connection \
new-connection-mark=p2p_conn passthrough=yes
add chain=prerouting connection-mark=p2p_conn action=mark-packet \
new-packet-mark=p2p passthrough=no
add chain=prerouting action=mark-connection new-connection-mark=other_conn \
passthrough=yes
add chain=prerouting connection-mark=other_conn action=mark-packet \
new-packet-mark=other passthrough=no

/ queue simple
add name="main" target-addresses=10.0.0.12/32 max-limit=256000/512000
add name="http" parent=main packet-marks=http max-limit=240000/500000 priority=1
add name="p2p" parent=main packet-marks=p2p max-limit=64000/64000 priority=8
add name="other" parent=main packet-marks=other max-limit=128000/128000 priority=4

Dynamic DNS Update Script for ChangeIP.com (Copy from wiki.mikrotik.com)

RouterOS 3.0 Compatible

# Define User Variables
:global ddnsuser "CHANGEIPUSERID"
:global ddnspass "CHANGEIPPASSWORD"
:global ddnshost "FREEHOSTNAME.TOUPDATE.TLD"

# Define Global Variables
:global ddnsip
:global ddnslastip
:if ([ :typeof $ddnslastip ] = nil ) do={ :global ddnslastip "0" }

:global ddnsinterface
:global ddnssystem ("mt-" . [/system package get system version] )

# Define Local Variables
:local int

# Loop thru interfaces and look for ones containing
# default gateways without routing-marks
:foreach int in=[/ip route find dst-address=0.0.0.0/0 active=yes ] do={
 :if ([:typeof [/ip route get $int routing-mark ]] != str ) do={
    :global ddnsinterface [/ip route get $int interface]
 }
}

# Grab the current IP address on that interface.
:global ddnsip [ /ip address get [/ip address find interface=$ddnsinterface ] address ]

# Did we get an IP address to compare?
:if ([ :typeof $ddnsip ] = nil ) do={
  :log info ("DDNS: No ip address present on " . $ddnsinterface . ", please check.")
} else={

 :if ($ddnsip != $ddnslastip) do={

   :log info "DDNS: Sending UPDATE!"
   :log info [ :put [/tool dns-update name=$ddnshost address=[:pick $ddnsip 0 [:find $ddnsip "/"] ] key-name=$ddnsuser key=$ddnspass ] ]
   :global ddnslastip $ddnsip

 } else={
   :log info "DDNS: No update required."
 }

}

# End of script