Помоему это оно, хотя надо еще вот с этим разобраться.

# network retry, use summ for several options
#    00 disable
#    01 retry every new ecm
#    02 try to connect to offline shares every Q: seconds
#    04 try to detect and fast reconnect to lost (and not used atm) server
#    + XX messages number and YY seconds to reconnect
#    mg will reconnect to server, if no answer to last XX ecm/keepalive or
#    if no answer for last ecm or keepalive sent for YY seconds
#    set to 0 to disable
N: { 07 } 5 30