r2
#
/interface bridge
add name=bridge2 protocol-mode=none

/interface bridge port

add bridge=bridge2 interface=vlan255
add bridge=bridge2 interface=vlan2

#
/interface vlan
add disabled=yes interface=ether4 mtu=1000 name=vlan2 vlan-id=2
add interface=ether1 name=vlan255 vlan-id=255


r1
/interface bridge
add name=bridge1
add name=bridge2 protocol-mode=none
add name=bridge3 protocol-mode=none
/interface bridge port
add bridge=bridge3 interface=ether3
add bridge=bridge1 interface=eoip-tunnel1
add bridge=bridge3 interface=ether1
add bridge=bridge2 interface=vlan255
add bridge=bridge2 interface=hosting
/interface vlan
add interface=ether3 loop-protect-disable-time=0s loop-protect-send-interval=0s mtu=1250 name=hosting vlan-id=2
add interface=ether2 loop-protect-disable-time=0s loop-protect-send-interval=0s name=vlan255 vlan-id=255