r1(config)# cdp run
cdp run … cdp is usually turned on but if it’s not the command above turns it on
r1(config)# show cdp neighbors
shows you what it’s plugged into
Only cisco devices.
Link Layer Discovery Protocol
LLDP
r1(config)# lldp run
This one is not usually turned on so you have to manually turn it on.
shows you what it’s plugged into
All devices. IEEE standard.
I am actually grateful to the owner of this web site who has shared this
enormous article at at this place.
LikeLike
Thank you!
LikeLike