What is the discovery path taken by the box?

 

We assume that all networks are /24. When the box discovers new networks, it searches in +2-2, subject to firewall and routing rules. Discovery is based on LANs, so the box won't go elsewhere unless it's doing IP range. Sherlock progresses on +1 and -1 on everything routed via MPLS. Sherlock goes back to the client's remote site when packets pass through (UPMP misconfigured, for example, CDP routing announcement, etc.).

 

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