Tool to trace a network socket?
I have been spoilt. Yes I admit it. I have come from an industry where everything HAD to be documented ( FDA,NAMAS etc. Break wind and it had better be tracable and documented!).
Now I am at a school and I am trying to find out where some network socket are plugged in to (ie which switch). Some parts are reasonably easy to sort out, but others. Well short of climbing through roofs etc. I havnt been able to sort out.
I have tried the approach of 'unplug and see who shouts' but that is not pos in all cases.
I seem to remember that there is/was a tool that let you trace a network cable by injecting a signal into it that you could trace.
Has anyone any ideas what it is and where I could get?
I want to document the whole network so at least I have a fighting chance with problem on it.
Not all switches are managed at the mo.