Lantronix SISPM1040-362-LRT Installation Guide Rev J PDF 1.29 MB - Page 25

Troubleshooting

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Lantronix Install Guide, SISPM1040-362-LRT and SISPM1040-384-LRT-C 4 Troubleshooting Basic Troubleshooting The switch front panel LEDs provide troubleshooting information. You can also get statistics from the Web UI, the CLI, or from an SNMP workstation. 1. Make sure your switch model supports the feature or function attempted; see chapter 5 Features and Specifications on page 34. 2. Verify the install process; see chapter 2 Installing the Switch on page 14. 3. Verify the initial switch configuration; see Chapter 3 Initial Switch Configuration on page 22. 4. If you have physical access to the switch, check the port LEDs for switch information. See the LED Descriptions on page 8 and Troubleshooting LED Indications on page 26. 5. Examine cables for marginal damage or failure; make sure you have the correct cable for the connection; verify that both sides have link; verify that both devices have power; verify that the interface is not disabled or powered off (manually shut down). 6. Verify that duplex and speed settings are matched between two switches. 7. Troubleshoot connected network devices to pinpoint the problem to the switch. 8. Run the System Diagnostics. See the Web User Guide or the CLI Reference. 9. If using the CLI, try configuring / testing via the Web UI and vice versa. See the Web User Guide or the CLI Reference. 33727 Rev. J https://www.lantronix.com/ Page 25 of 51

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Lantronix
Install Guide, SISPM1040-362-LRT and SISPM1040-384-LRT-C
33727 Rev. J
Page
25
of
51
4
Troubleshooting
Basic Troubleshooting
The switch front panel LEDs provide troubleshooting information. You can also get statistics from the Web UI,
the CLI, or from an SNMP workstation.
1.
Make sure your switch model supports the feature or function attempted; see chapter
5 Features and
Specifications
on page
34
.
2.
Verify the install process; see chapter
2
Installing the Switch
on page
14
.
3.
Verify the initial switch configuration; see Chapter
3
Initial Switch Configuration
on page
22
.
4.
If you have physical access to the switch, check the port LEDs for switch information. See the
LED
Descriptions
on page
8
and
Troubleshooting LED Indications
on page
26
.
5.
Examine cables for marginal damage or failure; make sure you have the correct cable for the connection;
verify that both sides have link; verify that both devices have power; verify that the interface is not disabled
or powered off (manually shut down).
6.
Verify that duplex and speed settings are matched between two switches.
7.
Troubleshoot connected network devices to pinpoint the problem to the switch.
8.
Run the System Diagnostics. See the
Web User Guide
or the
CLI Reference
.
9.
If using the CLI, try configuring / testing via the Web UI and vice versa. See the
Web User Guide
or the
CLI
Reference
.