Users Guide

Version Description
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 — run 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.
• Routing information protocol (RIP) is not supported with the UDP Broadcast feature.
Interfaces 946