Edge-Core ECS4120 Series

Chapter 17 | UniDirectional Link Detection Commands
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show udld This command shows UDLD configuration settings and operational status for the
switch or for a specified interface.
Syntax
show udld [interface interface]
interface
ethernet unit/port
unit - Unit identifier. (Range: 1)
port - Port number. (Range: 1-28/52)
Command Mode
Privileged Exec
Example
Console#show udld
Message Interval : 15
Detection Interval : 5 seconds
Recovery : Disabled
Recovery Interval : 300 seconds
Interface UDLD Mode Oper State Msg Invl
Port State Det Invl
--------- -------- ---------- ------------------------------------- --------
Eth 1/ 1 Disabled Normal Disabled 7 s
Unknown 5 s
Eth 1/ 2 Disabled Normal Disabled 7 s
Unknown 5 s
Eth 1/ 3 Disabled Normal Disabled 7 s
Unknown 5 s
Eth 1/ 4 Disabled Normal Disabled 7 s
Unknown 5 s
Eth 1/ 5 Disabled Normal Disabled 7 s
Unknown 5 s
.
.
.
Console#show udld interface ethernet 1/1
Interface UDLD Mode Oper State Msg Invl
Port State Det Invl
--------- -------- ---------- ------------------------------------- --------
Eth 1/ 1 Disabled Normal Disabled 7 s
Unknown 5 s
Console#
Table 95: show udld - display description
Field Description
Message Interval The interval between UDLD probe messages for ports in advertisement phase
Detection Interval The period the switch remains in detection state after discovering a neighbor
Recovery Shows if automatic recovery from UDLD disabled port state is enabled