In figure 14, 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 14: Neighborhood of router ATLAng-re1
Figure 15: Sequence numbers of the LSPs produced by 0000.0000.0014.00-00
Figure 16: Sequence numbers of the LSPs produced by 0000.0000.0014.02-00