In figure 50, a black arrow indicates that the IGP metric of the link did not change. A blue arrow indicates that the metric changed, but the link did not fail. A red arrow indicates that the link failed during the monitoring period.
Figure 50: Neighborhood of router NYCMng-re0
Figure 51: Sequence numbers of the LSPs produced by 0000.0000.0021.00-00
Figure 52: Sequence numbers of the LSPs produced by 0000.0000.0021.02-00
Figure 53: Evolution of the IGP metric for prefix 2001:770:88:5::/64 advertised by router