Layer 2/3 Commands
Field
CDP device name
This is an example of output from the show udld neighbors command:
Switch# show udld neighbors
Port
-------- -------------------- ---------- -------- --------------
Gi2/0/1
Gi3/0/1
Related Commands
Command
udld
udld port
udld reset
OL-32639-01
Device Name
Device ID
Switch-A
1
Switch-A
2
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 shut down by UDLD and permits traffic to pass through again.
Layer 2/3 Command Reference, Cisco IOS XE Release 3.6E (Catalyst 3650 Switch)
Description
The CDP device name or the system serial number.
The system serial number appears if the device name
is not set or is set to the default (Switch).
Port-ID
OperState
Gi2/0/1
Bidirectional
Gi3/0/1
Bidirectional
show udld
71