HP 1920 Gigabit Ethernet Switch Series Посібник для початківців - Сторінка 33
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Appendix C Troubleshooting
Table 1 1
describes the troubleshooting methods for common issues that you might encounter while using
and managing the switch.
If a problem persists, contact HP Support.
Table 11 Troubleshooting methods
Symptom
Power LED off
LAN interface LED off
Unable to log in to the Web interface
of the HP 1920 switch
Troubleshooting method
1.
Verify that the correct power source is used and the power cords
are correctly connected.
2.
Verify that the power source side provides power supply correctly.
1.
Verify that the network cable is correctly connected to the network
port of the switch.
2.
Insert the two ends of a network cable into two network ports of the
switch. If the port LEDs are off, replace the network cable.
1.
Ping 127.0.0.1 to verify that TCP/IP has been installed.
2.
Ping the management IP address of the switch to verify that the
management PC is connected to the switch. If not, perform the
following check:
For local configuration, verify that the IP addresses of the
management PC and the switch are in the same subnet.
For remote configuration, verify that the route from the
management PC to the switch is reachable.
3.
Identify the LED status to verify that the cables are connected
correctly.
4.
Verify that the switch's port that connects to the management PC is
enabled and belongs to the management VLAN.
5.
Verify that the Web browser is not configured with proxy or dial-up
connection.
6.
Disable and then enable the local network after you complete local
network settings.
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