Issue when Queue's are active.

I use Zabbix to ping multiple hosts to verify that they are up and functional. When I set my queue’s up the client’s appear to get packet loss. I’ve attached a picture with an arrow showing when I enabled my mangle rules as well as queue’s.

Here’s my configuration.

/ip firewall mangle
add action=mark-connection chain=prerouting new-connection-mark=VOIP src-address=192.168.5.40
add action=mark-connection chain=prerouting dst-address=192.168.5.40 new-connection-mark=VOIP
add action=mark-packet chain=prerouting connection-mark=VOIP new-packet-mark=VOIP
add action=mark-connection chain=prerouting new-connection-mark=Zabbix src-address=192.168.5.20
add action=mark-connection chain=prerouting dst-address=192.168.5.20 new-connection-mark=Zabbix
add action=mark-packet chain=prerouting connection-mark=Zabbix new-packet-mark=Zabbix
add action=mark-connection chain=prerouting new-connection-mark=ScreenConnect src-address=192.168.5.45
add action=mark-connection chain=prerouting dst-address=192.168.5.45 new-connection-mark=ScreenConnect
add action=mark-packet chain=prerouting connection-mark=ScreenConnect new-packet-mark=ScreenConnect
add action=mark-connection chain=prerouting connection-mark=no-mark new-connection-mark=OTHER
add action=mark-packet chain=prerouting connection-mark=OTHER new-packet-mark=OTHER passthrough=no

/queue tree
add name=VOIP_UP packet-mark=VOIP parent=ether1 priority=1 queue=default
add name=VOIP_DOWN packet-mark=VOIP parent=ether2-master priority=1 queue=default
add max-limit=20M name=TRAFFIC_UP packet-mark=OTHER parent=ether1 queue=default
add max-limit=230M name=TRAFFIC_DOWN packet-mark=OTHER parent=ether2-master queue=default
add name=ZABBIX_DOWN packet-mark=Zabbix parent=ether2-master priority=2 queue=default
add name=ZABBIX_UP packet-mark=Zabbix parent=ether1 priority=2 queue=default
add name=SCREENCONNECT_DOWN packet-mark=ScreenConnect parent=ether2-master priority=3 queue=default
add name=SCREENCONNECT_UP packet-mark=ScreenConnect parent=ether1 priority=3 queue=default

I have also disabled ‘fasttrack connection’ because the mangle rules do not function while it is enabled.

An idea’s or suggestions on how to rectify this issue?

Help is greatly appreciated.

Thanks.

BTW this is a RB3011UiAS which should be fully capable of this.