168 CHAPTER 12: T ROUBLESHOOTING G UIDEPower LED FlashesContinuouslyIf the Power LED continues to flash after 120 seconds, please contactTechnical Support (see Appendix A for information about contactingTechnical Support).Power and Alert LEDLit ContinuouslyIf the Power and Alert LEDS are both continuously lit, please contactTechnical Support (see Appendix A for information about contactingTechnical Support).Link LED is Off If the Link LED is not lit, try the following: Make sure the Firewall is powered on. Make sure the RJ-45 connections are secure. Gently moving the cableback and forth should not make the Link LED turn on and off. Make sure the wiring follows the CAT-5 specification. See “PinoutDiagrams” on page 187 for more information. Try replacing the cable with a known good cable. Try using a standard CAT-5 cable. If the problem is on the LAN or DMZport, try setting the Uplink/Normal switch to the alternative position.Ethernet Connectionis Not FunctioningIf the Ethernet connection does not work, try the following: Check the physical connections to make sure they are secure. Try replacing the cable with a known good cable.Cannot Access theWeb interfaceIf the Firewall does not allow users or the administrator to log in toestablish an authenticated session, try the following: Make sure that the Web browser you are using to access the Webinterface is supported by the Firewall. Netscape Navigator 4 orInternet Explorer 4 or higher versions are supported. During the initial configuration, make sure that you change the IPaddress for the management station to one in the same subnet as theFirewall, such as 192.168.1.200. Make sure the Web browser has Java, JavaScript, or ActiveX enabled. Make sure the users are attempting to log into the correct IP address.The correct address is the management IP Address of the Firewall, andnot the Public Address, if NAT is enabled. Make sure that users are attempting to log in with a valid user nameand password.DUA1611-0AAA02.book Page 168 Thursday, August 2, 2001 4:01 PM
