Troubleshooting overview
This section describes ho
w to troubleshoot the switch. For more information, see Aruba Instant On 1930
8G/24G/48G Switch Series Management and Conguration Guide.
This chapter describes the follo
wing:
• basic troubleshooting tips –
Basic troubleshooting tips
•
diagnosing with the LEDs –
Diagnosing with the LEDs
•
forgotten IP address or password –
Restoring to Factory Defaults
•
testing the switch by resetting it –
Testing the switch by resetting it
• Aruba Instant On Support Services
Basic troubleshooting tips
Common pr
oblems and their solutions are listed in the following table.
Problem Resolution
Switch fails Power-On Self
T
est (POST)
Troubleshoot using the LEDs. See
Diagnosing with the LEDs
Link light does not light when
a cable is connected.
Look for loose or obviously faulty connections. If they appear to be OK,
mak
e sure the connections are snug. If that does not correct the problem,
try a dierent cable.
Diagnosing with the LEDs
The
rst section shows LED patterns on the switch that indicate problem conditions for general switch
operation troubleshooting.
The second section shows LED patterns that indicate problem conditions for PoE troubleshooting.
LED patterns for General Switch Troubleshooting
Procedure
1. Check in the table belo
w for the LED pattern you see on your switch.
2. Refer to the corresponding diagnostic tip on the next few pages.
40 Aruba Instant On 1930 Installation and Getting Started
Guide
Troubleshooting