what's means about "(S=0)"in the output
mpls.0: 7 destinations, 7 routes (7 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
0 *[MPLS/0] 01:37:25, metric 1
Receive
1 *[MPLS/0] 01:37:25, metric 1
Receive
2 *[MPLS/0] 01:37:25, metric 1
Receive
300032 *[LDP/9] 00:29:39, metric 1
> to 10.0.8.5 via em3.66, Pop
300032(S=0) *[LDP/9] 00:29:39, metric 1
> to 10.0.8.5 via em3.66, Pop
300048 *[LDP/9] 00:29:14, metric 1
> to 10.0.8.10 via em2.55, Pop
300048(S=0) *[LDP/9] 00:29:14, metric 1
> to 10.0.8.10 via em2.55, Pop
thanks a lot!