Table 158 Troubleshooting The Gigabit Ethernet Connection; Table 159 Troubleshooting Data Transmission; Chapter 32 Troubleshooting - ZyXEL Communications MSC1000G User Manual
Ies-5000 series management switch card
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- User manual (1168 pages)
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This chapter covers potential problems and possible remedies. After each problem description,
some steps are provided to help you to diagnose and solve the problem.
32.1 Gigabit Ethernet Link Down
An uplink or subtending interface's LEDs are not on.
Table 158 Troubleshooting the Gigabit Ethernet Connection
STEPS CORRECTIVE ACTION
1
Make sure the interface is enabled.
2
Make sure that the uplink or subtending interface's connection speed is set to match that of
the port on the peer Ethernet device.
3
Check the copper or fiber optic Ethernet cable and connections between the uplink or
subtending interface and the Ethernet switch or router.
4
If the interface is an SFP slot, check the transceiver.
5
Make sure that the peer Ethernet device is functioning properly.
If the Ethernet cable and peer Ethernet device are both OK and the LEDs stay off, there may
be a problem with the interface. Contact the distributor.
32.2 Data Transmission
The uplink or subtending LED is on, but data cannot be transmitted.
Table 159 Troubleshooting Data Transmission
STEPS CORRECTIVE ACTION
1
Make sure that the uplink or subtending port has the appropriate mode setting.
2
Make sure that the MSC's IP settings are properly configured.
3
Check the MSC's VLAN configuration.
4
Ping the MSC from a computer behind the peer Ethernet device.
5
If you cannot ping, check the Ethernet cable and connections between the uplink or
subtending port and the Ethernet switch or router.
Chapter 32 Troubleshooting
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Troubleshooting
MSC1000G User's Guide
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Troubleshooting
