cdpr is used to decode a Cisco Disovery Protocol (CDP) packet, by default it will report the device ID, the IP Address (of the device), and the port number that the machine is connected to. Optionally it will decode the entire CDP packet.
Created attachment 101551 [details] ebuild
*** Bug 156942 has been marked as a duplicate of this bug. ***
tested in amd64 in local overlay as net-analyzer/cdpr and the attached simplified ebuild. the debian package: http://packages.debian.org/unstable/net/cdpr also contains a man page which would be a good thing to import as well
Created attachment 117805 [details, diff] PATCH that add cdpr.8 slightly modified from the debian changeset for adding the cdpr server configuration sample
Created attachment 117807 [details] simplified ebuild for cdpr 2.2.1