Cisco WS-C2350-48TD-S Command Reference Manual page 392

show udld
Related Commands Command
udld
udld port
udld reset
Catalyst 2350 Switch Command Reference
2-368
Description
Enables aggressive or normal mode in UDLD or sets the
configurable message timer time.
Enables UDLD on an individual interface or prevents a fiber-optic
interface from being enabled by the udld global configuration
command.
Resets all interfaces shutdown by UDLD and permits traffic to begin
passing through them again.
Chapter 2 Catalyst 2350 Cisco IOS Commands
OL-19055-01