Hi, yes I've created it (however I also assumed that you could just directly apply the policer without a filter e.g. set interface ge-0/0/7 unit 0 family ethernet-switching police input xyz)? However I applied it anyway just to be sure
show configuration firewall | display set
set firewall family ethernet-switching filter filter1 term 0 from ether-type ipv4
set firewall family ethernet-switching filter filter1 term 0 then accept
set firewall family ethernet-switching filter filter1 term 0 then policer policer-2mb
set firewall policer policer-2mb if-exceeding bandwidth-limit 2m
set firewall policer policer-2mb if-exceeding burst-size-limit 625k
set firewall policer policer-2mb then discard
show configuration interfaces | display set
set interfaces ge-0/0/2 ether-options 802.3ad ae1
set interfaces ge-0/0/3 ether-options 802.3ad ae1
set interfaces ge-0/0/7 per-unit-scheduler
set interfaces ge-0/0/7 unit 0 description "Internet Uplink"
set interfaces ge-0/0/7 unit 0 bandwidth 2m
set interfaces ge-0/0/7 unit 0 family ethernet-switching interface-mode access
set interfaces ge-0/0/7 unit 0 family ethernet-switching vlan members wan-uplink
set interfaces ge-0/0/7 unit 0 family ethernet-switching filter input filter1
set interfaces ge-0/0/7 unit 0 family ethernet-switching filter output filter1
set interfaces ge-0/0/7 unit 0 family ethernet-switching policer input policer-2mb
set interfaces ge-0/0/7 unit 0 family ethernet-switching policer output policer-2mb
set interfaces ae1 per-unit-scheduler
set interfaces ae1 aggregated-ether-options lacp active
set interfaces ae1 aggregated-ether-options lacp periodic slow
set interfaces ae1 unit 0 description "Telephony Internet Access"
set interfaces ae1 unit 0 family ethernet-switching interface-mode access
set interfaces ae1 unit 0 family ethernet-switching vlan members wan-uplink
set interfaces fxp0 unit 0 family inet address 192.168.0.254/24
set interfaces irb unit 770 family inet address 4.5.6.7/29
show configuration class-of-service | display set
set class-of-service interfaces ge-0/0/7 unit 0 shaping-rate 2m