Field Description
• In Layer 3 port channels, the primary port is not
indicated.
Example (brief)
Dell#show int po 1 brief
Codes: L - LACP Port-channel
LAG Mode Status Uptime Ports
1 L3 down 00:00:00 Te 0/16 (Down)
Dell#
Related
Commands
show lacp — displays the LACP matrix.
Time Domain Reflectometer (TDR)
TDR is useful for troubleshooting an interface that is not establishing a link; either it is flapping or not
coming up at all. TDR detects open or short conditions of copper cables on 100/1000 Base-T modules.
Important Points to Remember
• The interface and port must be enabled (configured — refer to the interface command) before
running TDR. An error message is generated if you have not enabled the interface.
• The interface on the far-end device must be shut down before running TDR.
• Because TDR is an intrusive test on an interface that is not establishing a link, do not run TDR on an
interface that is passing traffic.
• When testing between two devices, do not run the test on both ends of the cable.
tdr-cable-test
Test the condition of copper cables on 100/1000 Base-T modules.
Syntax
tdr-cable-test interface
Parameters
interface Enter the keyword TenGigabitEthernet then the slot/port
information for the 100/1000 Ethernet interface.
Defaults none
Command
Modes
EXEC
Command
History
Version 8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Interfaces
607
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