HP OfficeConnect Firewall Series Manuel d'utilisateur télécharger pdf (Page 130)

Appendix 21. SAFETY INFORMATION OfficeConnect VPN Firewall User’s Manual

116

Problem

Troubleshooting Suggestion

configure the PC to accept an address assigned by

another device (see section 3.3 "Part 3 —

Configuring Your Computers‖). The default

configuration includes a NAT rule for all

dynamically assigned addresses within a

predefined pool

PCs cannot display

web pages on the

Internet.

Verify that the DNS server specified on the PCs is correct

for your ISP, as discussed in the item above. You can use

the ping utility, discussed in the following section, to test

connectivity with your ISP’s DNS server.

Configuration Manager Program

You forgot/lost your

Configuration

Manager user ID or

password.

If you have not changed the password from the default, try

using ―admin‖ as both the user ID and password.

Otherwise, you can reset the device to the default

configuration by following the instructions provided in

section 17.6.1 ―Reset System Configuration‖. WARNING:

Resetting the device removes any custom settings and

returns all settings to their default values.

Problem

Troubleshooting Suggestion

Cannot access the

Configuration

Manager program

from your browser.

Use the ping utility, discussed in the following section, to

check whether your PC can communicate with the

OfficeConnect Gigabit VPN Firewall’s LAN IP address (by

default 192.168.1.1). If it cannot, check the Ethernet

cabling.

Verify that you are using Internet Explorer v5.5, Netscape

7.0.2 or later. Support for Javascript® must be enabled in

your browser. Support for Java® may also be required.

Verify that the PC’s IP address is defined as being on the

same subnet as the IP address assigned to the LAN port

on the OfficeConnect Gigabit VPN Firewall.

Changes to

Configuration

Manager are not

being retained.

Be sure to click on button to save any

changes.

20.1 Diagnosing Problem using IP Utilities

20.1.1 ping

Ping is a command you can use to check whether your PC can recognize other

computers on your network and the Internet. A ping command sends a message

to the computer you specify. If the computer receives the message, it sends

messages in reply. To use it, you must know the IP address of the computer with

which you are trying to communicate.

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HP OfficeConnect Firewall Series Manuel d'utilisateur Page 130

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