Blue Coat SG210 series, Руководство по установке

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Chapter 3: Troubleshooting 33
Chapter 3: Troubleshooting
This chapter describes how to isolate and solve common problems during the installation of the SG210.
The topics discussed in this section are:
• “A Network Link is Not Established” on page 33
• “The Web Setup Wizard Is Not Accessible” on page 34
• “The SG210 Does Not Power On” on page 34
• “Cannot Access the Serial Console” on page 35
• “Cannot Access the Management Console” on page 35
• “The System LED Indicates Unhealthy Status” on page 35
• “A Security Warning Appears for the Initial Configuration Web Page” on page 37
• “Resetting the SG210 to Its Factory Defaults” on page 38
• “The SG210 Appliance Certificate is No Longer Valid After the IP Address Changes” on page 38
• “The SG210 Does Not Come Back Up After Rebooting” on page 38
• “The SG210 Cannot Connect to the Director” on page 39
• “Connection Request Rejected by the Director” on page 39
A Network Link is Not Established
At the rear of the appliance, each of the two network connections has two LEDs—the LED on the right
flashes amber to indicate network activity and the LED on the left glows green to indicate a functional
network connection.
Figure 3-1: Verify the Network Link
These LEDs
should be green.