Yes, I just noticed this as well, after I tried it in the lab.
It seems it's not supported on any EX platform, except EX9200.
[edit]
root@EX9200# run show version | match "Model|boot"
Model: ex9204
JUNOS Base OS boot [13.2R4.6]
[edit]
root@EX9200# show firewall
policer policer_IFL {
logical-interface-policer;
if-exceeding {
bandwidth-limit 10m;
burst-size-limit 300k;
}
then {
loss-priority high;
forwarding-class best-effort;
}
}
[edit]
root@EX9200# run show version | match "Model|boot"
Model: ex9204
JUNOS Base OS boot [13.2R4.6]
[edit]
root@EX9200#
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