Before calling TAC, please have your serial number available.
1. If you are physically looking at your switch, please locate the sticker with the serial number. The image below shows an example of a chassis serial number and one of a standalone switch. The sticker will either be on the back of the switch, or underneath.
2. To obtain a serial number from your switch/chassis interface, please type the command “show version”, and from the output that appears, please note the last ten digits noted beside “Switch” or “Chassis.”
Example 1 – Standalone Switch:
Example 2 – Chassis-Based Switch: