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MikroTik CRS112 Port Isolation

The Cloud Router Switches CRS112 use Port Isolation profiles for Private VLAN implementation:

Uplink ports – Port-level isolation profile 0
Isolated ports – Port-level isolation profile 1

This example requires a group of switched ports. Assume that all ports used in this example are in one switch group.

/interface bridge
add name=bridge1

/interface bridge port
add bridge=bridge1 interface=ether1 hw=yes
add bridge=bridge1 interface=ether2 hw=yes
add bridge=bridge1 interface=ether3 hw=yes
add bridge=bridge1 interface=ether4 hw=yes
add bridge=bridge1 interface=ether5 hw=yes
add bridge=bridge1 interface=ether6 hw=yes
add bridge=bridge1 interface=ether7 hw=yes
add bridge=bridge1 interface=ether8 hw=yes
add bridge=bridge1 interface=sfp9 hw=yes
add bridge=bridge1 interface=sfp10 hw=yes
add bridge=bridge1 interface=sfp11 hw=yes
add bridge=bridge1 interface=sfp12 hw=yes

The first part of port isolation configuration is setting the Uplink port – set port profile to 0 for sfp9:

/interface ethernet switch port
set sfp9 isolation-leakage-profile-override=0

Then continue with setting isolation profile 1 to all isolated ports and adding the communication port for port isolation profile 1:

/interface ethernet switch port
set ether1 isolation-leakage-profile-override=1
set ether2 isolation-leakage-profile-override=1
set ether3 isolation-leakage-profile-override=1
set ether4 isolation-leakage-profile-override=1
set ether5 isolation-leakage-profile-override=1
set ether6 isolation-leakage-profile-override=1
set ether7 isolation-leakage-profile-override=1
set ether8 isolation-leakage-profile-override=1
set sfp10 isolation-leakage-profile-override=1
set sfp11 isolation-leakage-profile-override=1
set sfp12 isolation-leakage-profile-override=1

/interface ethernet switch port-isolation
add port-profile=1 ports=sfp9 type=dst

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