My setup is>
ISP-1 connected to Dlink Router
ISP-2 connected to Tplink 4g Router
Dlink Router to my Mikrotik Wan-1
Tplink Router to my Mikrotik Wan-2
my issue is when my ISP-1 Line is down, but my mikrotik Wan-1 is still up because it get ping from Dlink Router.
so its not auto connected to Secondary Tplink Router
Please help me about this issue.