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Page 76 / 88 Scroll up to view Page 71 - 75
SonicWALL Installation Guide Page 75
•
Receive (RX)
The
RX
light is lit when data is received over the network connection.
•
Link
The Link LED indicates that the interface is connected to a valid link partner and is
receiving link pulses.
The 1000Base-T network interface has the following LEDs:
•
Link
The
Link
light is green when a network
connection is made to another Ethernet device
(usually a hub) on the port.
•
Activity
The
Activity
LED blinks, indicating
Activity
, when the SonicWALL transmits or
receives a frame.
•
Network Speed
The
Network Speed
light remains off if there is no connection or if a 10Mbps
connection is made. If a 100 Mbps connection is made, the LED is green. If a 1000
Mbps connection is obtained, the LED is yellow.
Reset Switch
Resets the SonicWALL GX 250 or the SonicWALL GX 650 to its factory clean state. This may be
required if you forget the administrator password, or the SonicWALL firmware has become
corrupt.
SonicWALL GX 250 and GX 650 Rear Panel
The SonicWALL GX 250 back panel is shown below, followed by a description of each item.
The
SonicWALL GX 650 back panel is identical to the SonicWALL GX 250.
SonicWALL GX 250 and SonicWALL GX 650 Back Panel Description
•
Power Inputs
Power Input
Power
Switches
Cooling Vent
Alarm Reset Button
Page 77 / 88
Page 76
There are two power input receptacles to connect the SonicWALL to the AC power
input. The unit comes standard with redundant hot swappable power supplies with
active power function correction (100-240 VAC 50/60 Hz).
•
Power Switches
One power switch for each hot swappable power supply module. The audible alarm
sounds if only one power supply is functioning.
•
Alarm Reset Button
The
Alarm Reset
button resets the audible alarm.
•
Cooling Vents
The SonicWALL is convection cooled and has an internal fan that is not crucial to the
function of the GX, but provides additional cooling to the unit. Do not block the cooling
vents on the SonicWALL front and back panels.
Page 78 / 88
SonicWALL Installation Guide Page 77
5 Troubleshooting Guide
Tips for Cable/DSL Modem Users
No Internet Access
If you are experiencing problems connecting to the Internet after installing your SonicWALL,
you should turn off your cable modem for five (5)minutes, and then turn it back on. Restart the
SonicWALL and try to access it using the LAN IP address. This is an easy fix that’s worth trying
before contacting tech support.
If you are using
NAT with DHCP Client
network configuration, log into the SonicWALL and
click
General
, then
Network
. Verify that the
Host Name
field has information in it. Your ISP
may require a Host Name to connect to the Internet.
Some ISPs require the MAC address or the Ethernet address of the SonicWALL before the IP
lease can be established. The MAC address of the SonicWALL is the serial number located on
the bottom of the appliance. It is also displayed on the
Status
page of the
General
window.
Cannot Maintain IP Address
Typically, cable modem users obtain an IP address dynamically via DHCP. The IP address is
leased for a specific period of time and then renewed by the DHCP server. If you are
experiencing trouble maintaining your lease from your service provider, configure the
SonicWALL to be “pingable” from the WAN. Some ISPs assume that if they cannot ping you,
you must not be online and the lease is not renewed by the DHCP server. Use the following
steps to solve this problem:
1.
Open your Web browser and enter the LAN IP address of the SonicWALL to access the
Management interface.
2.
Log into the Management interface using the user name and password you created during
configuration.
3.
Click
Access
, then
Rules
.
4.
Click
Add New Rule
.
5.
Select
Allow
from the
Action
choices.
Page 79 / 88
Page 78
6.
Select
Ping
from the
Service
menu.
7.
Select
WAN
from the
Source
menu. Enter the LAN address of your SonicWALL.
8.
Click
Update
and the
Rule
is added to your
Rule
list.
Other Troubleshooting Tips
Be sure you can connect from your computer directly to the cable modem and establish an
Internet connection. If you can do this with your computer, but not with the SonicWALL, record
all of your Network settings and check them against the information in the SonicWALL.
Erasing the Firmware
There can be instances when it is necessary to reset the SonicWALL to its factory clean state if
the following events happen to the appliance:
•
Administrator password is forgotten.
•
The firmware has become corrupt, and you cannot contact the Management Interface.
•
The test light comes on and stays on for more than a few minutes.
•
During the troubleshooting process, you must start from a “known” state.
Once the firmware is erased, new firmware must be loaded, and the SonicWALL must be
reconfigured.
The following procedure erases all settings and reverts the unit to the factory default state. It
is necessary to follow the initial configuration procedures detailed in this manual's QuickStart
Page 80 / 88
SonicWALL Installation Guide Page 79
section to reconfigure the SonicWALL. If you need the firmware, download it from <http://
firmware.sonicwall.com> or load it from the CD included with the appliance. You can also
download firmware by logging into <http://www.mysonicwall.com> as a registered user.
Locating the Reset button on your SonicWALL Internet Security Appliance
SonicWALL SOHO3, PRO 100, TELE3, SOHO 10, SOHO 50, XPRS, SOHO Telecommuter, PRO
200, PRO 300, and newer SonicWALL DMZ models use the small recessed button on the back
of the unit for this procedure. If your SonicWALL DMZ unit has a square reset button that is not
recessed on the back of the unit, follow the procedure below to locate the blue reset button.
SonicWALL 10 and 50 models, SonicWALL Plus, and older SonicWALL DMZ models have a blue
reset button inside. Open the SonicWALL unit by unscrewing the screws on the bottom and
gently pulling the top cover off. (The front and back panels remain in place.) Locate the blue
button towards the front between the Power, Test, and WAN LEDs.
If your SonicWALL DMZ unit has a circular reset button that is recessed in the back of the unit,
then it’s an older DMZ model and you should follow the procedure for locating the reset button
inside the unit.
Erasing the Firmware for all Models
1.
Turn off the SonicWALL and disconnect all cables to the network.
2.
Locate the recessed Reset Switch on the back panel of the SonicWALL.
3.
Press and hold the Reset Switch and then apply power to the SonicWALL. Once the
Test LED starts to flash, let go of the Reset Switch.
The Test LED flashes for approximately 90 seconds while the firmware is erased. After
completing the diagnostic sequence, the Test LED stays lit, indicating that the firmware has
been erased. It is normal for the Test LED to stay lit after erasing the firmware. It does not go
off until the firmware is installed and loaded into memory by the automatic restart.
4.
Log back into the SonicWALL at the default IP address, "http://192.168.168.168".
Make sure that the Management Station's IP address is in the same subnet as the Son-
icWALL--for example, "192.168.168.200".
5.
The SonicWALL Management Interface displays a message stating that the firmware
has been erased. Click
Browse
to locate the SonicWALL firmware file on the Manage-
ment Station hard drive. Or upload the firmware file that is located on the SonicWALL
Companion CD.
6.
Reconfigure the SonicWALL as described in Chapter 2 of this guide.

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