this is my configration
# model = CCR1016-12S-1S+
# serial number = 6EFD08A912BD
/interface bridge
add name=bridge1
/interface ethernet
set [ find default-name=sfp1 ] advertise=1000M-half,1000M-full,10000M-full
set [ find default-name=sfp3 ] advertise=\
100M-half,100M-full,1000M-half,1000M-full comment=SpeedT loop-protect=on
set [ find default-name=sfp4 ] advertise=100M-half,100M-full comment=B-1 \
disabled=yes loop-protect=on loop-protect-disable-time=2m
set [ find default-name=sfp5 ] advertise=\
100M-half,100M-full,1000M-half,1000M-full,10000M-full comment=\
"G-Pon 8P OLT" loop-protect=on loop-protect-disable-time=2m
set [ find default-name=sfp6 ] advertise=1000M-half,1000M-full \
auto-negotiation=no comment="Roshan Gate SW Out" loop-protect=on \
loop-protect-disable-time=1m
set [ find default-name=sfp7 ] comment="Hafeez Out" loop-protect=on
set [ find default-name=sfp8 ] comment="Kunal Out" loop-protect=on
set [ find default-name=sfp9 ] comment="Talha Out" loop-protect=on
set [ find default-name=sfp10 ] advertise=\
100M-half,100M-full,1000M-half,1000M-full auto-negotiation=no comment=\
"Palodkar Out" loop-protect=on
set [ find default-name=sfp11 ] advertise=\
100M-half,100M-full,1000M-half,1000M-full auto-negotiation=no comment=\
"Tanveer OUT" loop-protect=on
set [ find default-name=sfpplus1 ] comment="Usmanpura INPUT 10G" \
loop-protect=on loop-protect-disable-time=1m
/interface bridge port
add bridge=bridge1 interface=sfpplus1
add bridge=bridge1 interface=sfp6 path-cost=100
add auto-isolate=yes bridge=bridge1 horizon=1 interface=sfp7
add bridge=bridge1 horizon=1 interface=sfp8
add auto-isolate=yes bridge=bridge1 horizon=1 interface=sfp9
add auto-isolate=yes bridge=bridge1 horizon=1 interface=sfp10
add auto-isolate=yes bridge=bridge1 horizon=1 interface=sfp11
add bridge=bridge1 interface=sfp12
add auto-isolate=yes bridge=bridge1 horizon=1 interface=sfp5
add bridge=bridge1 interface=sfp3
/ip neighbor discovery-settings
set discover-interface-list=!dynamic
/lcd
set color-scheme=dark default-screen=interfaces
/system clock
set time-zone-name=Asia/Kolkata
/system clock manual
set time-zone=+05:30
/system identity
set name="AB Office SW"
/tool graphing interface
add