Re: QoS traffic classification not working on EX3300

I have a similar scenario.

I have an EX2200 (VC 2 members) 12.3R9.

It is L2 only.  Vlan 119 is my 'voice' vlan.  The RVI terminating it is upstream on a trunk on this EX2200 to another EX2200.

Phone on port ge-1/0/30, IP 192.168.19.59

Trunk on ge-0/1/3

Config as per following,

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manager@Level-14-330-Switch> show configuration class-of-service
forwarding-classes {
class expedited-forwarding queue-num 5;
class best-effort queue-num 0;
class network-control queue-num 7;
}
interfaces {
ge-0/1/3 {
scheduler-map cos-map;
}
}
scheduler-maps {
cos-map {
forwarding-class expedited-forwarding scheduler voice_scheduler;
forwarding-class best-effort scheduler besteffort_scheduler;
forwarding-class network-control scheduler networkcontrol_scheduler;
}
}
schedulers {
voice_scheduler {
transmit-rate percent 10;
buffer-size percent 10;
priority strict-high;
}
besteffort_scheduler {
transmit-rate percent 35;
buffer-size percent 35;
priority low;
}
networkcontrol_scheduler {
transmit-rate percent 5;
buffer-size percent 5;
priority strict-high;
}
}

---------------------------------------------------------------------------------------------------------

manager@Level-14-330-Switch> show configuration firewall
family ethernet-switching {
filter voice_class {
term network_control {
from {
precedence [ net-control internet-control ];
}
then {
forwarding-class network-control;
loss-priority low;
}
}
term best_effort {
then {
forwarding-class best-effort;
loss-priority low;
}
}
term voice {
from {
source-address {
192.168.19.0/24;
}
}
then {
forwarding-class expedited-forwarding;
loss-priority low;
}
}
term else {
then accept;
}
}
}

---------------------------------------------------------------------------------------------------------

manager@Level-14-330-Switch> show configuration interfaces ge-1/0/30
description " CSBC Voice ";
unit 0 {
family ethernet-switching {
port-mode access;
vlan {
members VLAN_19;
}
filter {
input voice_class;
}
}
}

manager@Level-14-330-Switch> show configuration vlans VLAN_19
description " CSBC Voice ";
vlan-id 119;
filter {
input voice_class;
}

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I cannot see 'expedited-forwarding / queue 5' tx and rx counters incrementing when traffic that is generated on port ge-1/0/30 sourced from address 192.168.19.59.
I understand counters are shown on egress.
But I cannot see them on ge-0/1/3 either.  Where they are meant to appear.  I have all my schedulers and scheduler-maps configured.

Why can't I get that queue showing counters incrementing on my trunk for the expedited-forwading (hardware queue 5) ?