In figure 62, 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 62: Neighborhood of router WASHng-re1
Figure 63: Sequence numbers of the LSPs produced by 0000.0000.0024.00-00
Figure 64: Evolution of the IGP metric for prefix 198.32.14.32/27 advertised by router
Figure 65: Evolution of the IGP metric for prefix 2001:798:2014:20aa::/126 advertised by router