script automatic

hey all
i m confuse make automatic script, i have 2 connection (2 ISP) ISP A is my main connection 1 Mbps, ISP B is my backup connection 512 kbps, i want make automatic script when my ISP A down is automatic switch to my ISP B, if ISP A on again its automatic to main connection again, i read the wiki mikrotik find only load balancing, but i dont want like that, can any wan give me advice or script to do that??? i am very thank you for the advice
i am use mikrotik 2.9.2 n using nat

regards

Q: Do you use PPPoE to auth on ISP A and/or ISP B
Q: Do you have static (permanent) IP ond ISP A and/or ISP B

:slight_smile:

hey trtmrt
i got static ip both my ISP
ISP A : 203.x.x.x
ISP B: 202.x.x.x

thanks trtmrt