This provides option the user to control how the user traffic needs to be converged in case of ERPS ring failures. With fast option, user traffic converges in the order of ERPS times. The side effect is there is redundant traffic all over rings. With slow option, user traffic flows on the shortest possible path. There is no extra traffic all over the ring. But, when ERPS ring failures occur, the convergence times will not be in the order of ERPS convergence times.