Service Manual

Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.7.0.0 Introduced on the S5000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.2.1.0 Introduced on the E-Series ExaScale.
7.7.1.0 Introduced on the S-Series.
7.6.1.0 Introduced on the C-Series.
6.1.1.0 Introduced.
Usage
Information
If the TDR test has not been run, an error message is generated:
%Error: Please run the TDR test first
The following describes the TDR test status.
Status Definition
OK Status:
Terminated
TDR test is complete, no fault is detected on the cable, and the test is terminated.
Length: 92 (+/-
1) meters,
Status: Shorted
A short is detected on the cable. The location, in this Example is 92 meters. The
short is accurate to plus or minus one meter.
Length: 93 (+/-
1) meters,
Status: Open
An opening is detected on the cable. The location, in this Example is 93 meters. The
open is accurate to plus or minus one meter.
Status:
Impedance
Mismatch
There is an impedance mismatch in the cables.
Example
Dell#show tdr tengigabitethernet 11/2
Time since last test: 00:00:11
Pair A, Length: OK Status: Terminated
Pair B, Length: OK Status: Terminated
Pair C, Length: OK Status: Terminated
Pair D, Length: OK Status: Terminated
Related
Commands
tdr-cable-test — runs the TDR test.
UDP Broadcast Commands
The user datagram protocol (UDP) broadcast feature is a software-based method to forward low throughput (not to exceed
200 pps) IP/UDP broadcast traffic arriving on a physical or VLAN interface.
Important Points to Remember
● This feature is available only on the S4810, S4820T, S3048–ON, S4048–ON, Z9000 platforms.
Interfaces
693