PTMD is a dynamic cabling verification tool to help eliminate cabling errors in networks. It takes a graphviz-DOT specified network cabling plan (something many operators already generate) and couples it with runtime information derived from LLDP to verify that the cabling matches the specification. The check is performed on every link transition on each node in the network. PTMD runs as a Linux daemon.
https://groups.google.com/forum/#!forum/ptmd-users
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UKNOF26, London, 13th September 2013
http://indico.uknof.org.uk/getFile.py/access?contribId=8&resId=0&materialId=slides&confId=28