1412
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
OL-27880-02
Chapter Show Commands
show udld
show udld
To display the Unidirectional Link Detection (UDLD) information for a switch, use the
show udld
command.
show udld
[
ethernet
slot/[QSFP-module/]port
|
global
|
neighbors
]
Syntax Description
Command Default
None
Command Modes
EXEC mode
Command History
Examples
This example shows how to display UDLD information for all interfaces:
switch#
show udld
Interface Ethernet1/1
--------------------------------
Port enable administrative configuration setting: device-default
Port enable operational state: enabled
Current bidirectional state: bidirectional
Current operational state: advertisement - Single neighbor detected
Message interval: 15
Timeout interval: 5
Entry 1
----------------
Expiration time: 41
Cache Device index: 1
Current neighbor state: bidirectional
Device ID: FLC12280095
Port ID: Ethernet1/1
Neighbor echo 1 devices: SSI130205RT
Neighbor echo 1 port: Ethernet1/1
ethernet
slot/[QSFP-module/]port
Displays UDLD information for an Ethernet IEEE 802.3z interface.
The
slot
number is from 1 to 255. The
QSFP-module
number is from
1 to 4. The
port
number is from 1 to 128.
Note
The
QSFP-module
number applies only to the QSFP+ Generic
Expansion Module (GEM).
global
Displays the UDLD global status and configuration information on all
interfaces.
neighbors
Displays information about UDLD neighbor interfaces.
Release
Modification
6.0(2)N1(1)
Support for the QSFP+ GEM was added.
5.2(1)N1(1)
This command was introduced.
