Settings in switch: VLANMode = 'disable', VLAN header = 'leave as is'
Other settings:
# feb/20/2014 19:03:23 by RouterOS 6.1
# software id = A17C-D923
#
/interface bridge
add l2mtu=1598 name=Bridge_Manage
add name=Bridge_Tranzyt
add l2mtu=1594 name=Bridge_vlan_799
/interface ethernet
set 0 auto-negotiation=no name=ether1
set 1 auto-negotiation=no name=ether2
set 9 name=ether10
set 10 name=sfp1 sfp-rate-select=low
/interface vlan
add interface=Bridge_Manage l2mtu=1594 name=vlan_724 vlan-id=724
add interface=Bridge_Manage l2mtu=1594 name=vlan_726 vlan-id=726
add interface=Bridge_Manage l2mtu=1594 name=vlan_798 vlan-id=798
add interface=Bridge_Manage l2mtu=1594 name=vlan_799 vlan-id=799
/interface bridge filter
add action=mark-packet chain=input in-bridge=Bridge_Tranzyt new-packet-mark=\
ogranicz
/interface bridge port
add bridge=Bridge_Manage interface=sfp1
add bridge=Bridge_vlan_799 interface=ether2
add bridge=Bridge_Manage interface=ether1
add bridge=Bridge_Manage interface=ether10
add bridge=Bridge_vlan_799 interface=vlan_799
/interface bridge settings
set allow-fast-path=no use-ip-firewall-for-vlan=yes
# feb/20/2014 19:04:52 by RouterOS 6.1
# software id = A17C-D923
#
/ip firewall connection tracking
set enabled=yes
/ip firewall mangle
add action=mark-packet chain=forward disabled=yes in-interface=\
vlan_726 new-packet-mark=ogranicz