1. You can highlight the text on a trap when your interface is changed and alert on that sequence from the Trap. (Trap Viewer on your main server)
2. Real Time Config Changes Notification. It would have sent you an email at least, and you could have referenced the link to 'see' the change that was made.
3. Interface Alert - Max Recv/Xmit Traffic Rate Today(use ANY of the following apply) is less than or equal to (Threshold to alert on) 10 Mbps ** this one may give false positives **
