At the end of 2013, the company where I'm currently working at, needed to know how many unused connectors are on our running devices (mainly Cisco devices).
So, I needed to know what kind of information I could get from these devices.
The simplest way to do that would be to log on each device and then check the unused connector with a show command. We could make a script that will perform the task and return the connector (unfortunately there were a lot of devices to check on). The problem with this method is that using the script or using the manual way, we have to log on the device, and the company has a "no connection" policy (and that makes you realize that the Network is a really sensible thing on the general infrastructure).
I was working on a script using SNMP polling to make my own "show interface status" merged with the "show ip int brief" and "show etherchannel summary" command, and so I looked on how the connector information was stored in the MIB...