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Chapter 5 Troubleshooting the System Hardware
Troubleshooting the Ethernet Controller
5-14
Cisco Wide Area Application Engine 7326 Hardware Installation Guide
OL-6831-02
Table 5-1 Ethernet Troubleshooting Chart
Ethernet Controller
Problem Actions
Ethernet link status
LED does not work.
Check the following:
• Make sure that the hub is powered on.
• Check all connections at the Ethernet controller and the hub.
• Use another port on the hub.
• If the hub does not support autonegotiation, manually configure the
Ethernet controller to match the hub.
• If you manually configured duplex mode, make sure that you also
manually configure the speed.
• Run diagnostics on the LEDs.
• Reseat or replace the adapter.
The Ethernet activity
LED does not work.
Check the following:
• The network might be idle. Try sending data from this device.
• Run diagnostics on the LEDs.
Data is incorrect or
sporadic.
Check the following:
• Make sure that you are using Category 5 or higher cabling when operating
the device at 100 Mbps or 1000 Mbps.
• Make sure that the cables do not run close to noise-inducing sources such
as fluorescent lights.