In figure 11, 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 11: Neighborhood of router ATLA-m5
Figure 12: Sequence numbers of the LSPs produced by 0000.0000.0025.00-00
Figure 13: Sequence numbers of the LSPs produced by 0000.0000.0025.02-00