Casio ISA550WBUN3K9 manual Internet Connection, Recommended Actions

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Troubleshooting

This chapter describes how to fix some common issues that you may encounter when using the security appliance. It includes the following sections:

•Internet Connection, page 453

•Date and Time, page 456

•Pinging to Test LAN Connectivity, page 457

Internet Connection

Symptom: You cannot access the Configuration Utility from a PC on your LAN.

Recommended Actions:

STEP 1 Check the Ethernet connection between the PC and the security appliance.

STEP 2 Ensure that the IP address of your PC is on the same subnet as the security appliance. If you are using the recommended addressing scheme, your PC’s address should be in the range 192.168.75.100 to 192.168.75.200.

STEP 3 Check the IP address of your PC. If the PC cannot reach a DHCP server, some versions of Windows and MacOS generate and assign an IP address. These auto-generated addresses are in the range of 169.254.x.x. If your IP address is in this range, check the connection from the PC to the security appliance and reboot your PC.

STEP 4 If your IP address has changed and you don’t know what it is, reset the security appliance to the factory default settings.

Cisco ISA500 Series Integrated Security Appliances Administration Guide 453