option 82 mikrotik

hi. i use 82 option at server linux. it is not comfortable sometimes. Because server can locate very far from l2 area and he serves a lot of districts. But i have some amount of mikrotiks on the each of area. how to setup this feature on mikrotik? I asked this question before and a did’t get answer. Maybe somebody have real example? I use dhcp-relay and option 82 at dlink switches. Please, help me)