Region : Malaysia

Model : TL-SL2210WEB

Hardware Version : V1

Firmware Version :

ISP :

below is my setup
mikrotik pc ->wan port -> TL-SL2210WEB switch -> adsl modem1,2,3

3 adsl modem connect to TL-SL2210WEB switch port 1,2,3(vlan ID1,2,3) and giga port connect to mikrotik wan nic port.

in mikrotik, i create 3 vlan and 3 bridge mapped vlan port and assign MAC address for each bridge to prevent adsl mac conflic.
when go to dialup modem its show connecting....never connect to modem.
whitout bridge it can dialup and connect.but it can only connect one modem in same time,others two modem show connected,but it cant ping.causes by share a same wan port MAC.

here is my swith vlan tagging config:
Tag Vlan global setting:
port giga (pvid1) pass
port 1 (pvid2) pass
port 2 (pvid3) pass
port 3 (pvid4) pass
Tag vlan setting:
vlan 1 (default,not set anything)
valn 2 (port 1drop tag,port giga add tag)
valn 3 (port 2drop tag,port giga add tag)
valn 4 (port 3drop tag,port giga add tag)

are this TL-SL2210WEB switch posibble able to connect multiple adsl modem ? or its not?
please help me......pls.