[j-nsp] physical interface policer

[Bit Gossip]

This is Mx480 Junos10.2R2.11 and DPC.
Any idea why I can not apply a physical-interface-policer to a
physical-interface?
While it can be applied to 'unit 0' of the same interface.

Thanks,
bit.

[edit interfaces xe-4/1/0]
l at rc2# run show configuration firewall policer L-ECN 
physical-interface-policer;
if-exceeding {
    bandwidth-percent 90;
    burst-size-limit 64k;
}
then loss-priority high;

[edit interfaces xe-4/1/0]

l at rc2# set layer2-policer ?
Possible completions:
+ apply-groups         Groups from which to inherit configuration data
+ apply-groups-except  Don't inherit configuration data from these
groups

[edit interfaces xe-4/1/0]
l at rc2# set unit 0 layer2-policer ?
Possible completions:
+ apply-groups         Groups from which to inherit configuration data
+ apply-groups-except  Don't inherit configuration data from these
groups
  input-policer        Two-color policer for received packets
  input-three-color    Color-blind three-color policer for received
packets
  output-policer       Two-color policer for transmitted packets
  output-three-color   Three-color policer for transmitted packets