When discovery occurs
The
MPLS Topology Server
initiates a discovery
whenever:- IP Availability Manageris added as a source to theMPLS Topology Server, as explained in Chapter 8, “Preparing and Initiating Discovery.”
- IP Availability Managercompletes a discovery cycle: an initial discovery, a full discovery, a pending discovery, or a single-device discovery.By subscribing to DiscoveredLastAt attribute updates onIP Availability Manager, theMPLS Topology Serverbecomes aware of discovery cycle completions inIP Availability Manager.
- TheMPLS Topology Serveris restarted or communication is lost and then reestablished between theMPLS Topology ServerandIP Availability Manager.
- TheMPLS Topology Serverreceives a manual discovery (Discover All) request, as explained in Chapter 10, “Using Full or Pending Discovery.”