ZyXEL Communications ZYWALL 5 Quick Start Guide

ZyXEL Communications ZYWALL 5

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ZyWALL 5

Internet Security Appliance

Quick Start Guide

Version 3.62 (XD.0)

May 2004

Table of Contents

Other manuals for ZyXEL Communications ZYWALL 5

User Guide668 pages

Support Notes305 pages

Specifications2 pages

Questions and Answers:

P
Paul MartinezAug 21, 2025
What to do if I cannot access the internet with my ZyXEL Communications ZYWALL 5 Firewall?
- S
  Samantha CollierAug 21, 2025
  To troubleshoot Internet access issues with your ZyXEL Communications Firewall, first, verify the physical connection between the ZyWALL and the Ethernet jack that provides Internet access. Also, ensure that your Internet gateway device, such as a DSL modem, is functioning correctly. You may also need to verify your WAN settings by clicking WAN in the navigation panel.
E
Emily WallerAug 25, 2025
What to do if I cannot establish a VPN connection with my ZyXEL Communications ZYWALL 5?
- L
  Lucas GrahamAug 25, 2025
  If you cannot establish a VPN connection with your ZyXEL Communications Firewall, ensure that both the ZyWALL and the remote IPSec router are using the same VPN settings. You can configure advanced settings by clicking VPN in the navigation panel. Also, verify that you have a working Internet connection by accessing a website.
K
Kimberly SuarezAug 27, 2025
Why won't any of the LEDs turn on on my ZyXEL Communications ZYWALL 5?
- D
  dcherryAug 27, 2025
  If none of the LEDs on your ZyXEL Communications Firewall turn on, ensure that the power adapter is properly connected to the ZyWALL and plugged into a working power source. Verify all cable connections. If the LEDs still do not turn on after checking the power and connections, it may indicate a hardware problem.
D
Dr. James HoltAug 27, 2025
Why can't my ZyXEL Communications Firewall get a WAN IP address from my ISP?
- J
  Julian KnightAug 28, 2025
  If your ZyXEL Communications Firewall cannot obtain a WAN IP address from your ISP, it may be due to the ISP verifying the MAC address, host name, or user ID. Determine the verification method used by your ISP and configure the corresponding fields accordingly. If the ISP checks the WAN MAC address, clone the MAC address from a LAN computer by going to WAN, then the WAN tab, selecting 'Spoof WAN MAC Address,' and entering the IP address of the computer on the LAN you are cloning. If the ISP checks the host name, enter your computer’s name in the System Name field in the MAINTENANCE General screen. If the ISP checks the user ID, go to WAN, then the WAN tab, and verify your service type, user name, and password.
J
Justin GonzalezAug 29, 2025
What to do if I cannot access the Internet using my ZyXEL Communications Firewall?
- W
  warnoldAug 29, 2025
  If you cannot access the Internet through your ZyXEL Communications Firewall, check the connection between the ZyWALL and your cable/DSL device. Also, verify your settings by clicking WAN.
C
Cindy CastanedaAug 30, 2025
How to fix ZyXEL Communications ZYWALL 5 when it cannot ping any computer on the LAN?
- P
  Pamela HendersonAug 31, 2025
  If you cannot ping any computer on the LAN and the 10/100M LAN/DMZ LEDs are off, check the cable connections between the ZyXEL Communications Firewall and your LAN computers. Verify that the IP address and subnet mask of the ZyWALL and the LAN computers are in the same IP address range.
A
Ana BartlettSep 1, 2025
What to do if I cannot access the ZyXEL Communications ZYWALL 5 from the LAN?
- A
  Alyssa BrowningSep 1, 2025
  If you cannot access the ZyXEL Communications Firewall from the LAN, check the cable connection between the ZyWALL and your computer or hub. Ping the ZyWALL from a LAN computer. Ensure your computer’s Ethernet card is installed and functioning properly.
P
porterkristenSep 3, 2025
How to troubleshoot ZyXEL Communications ZYWALL 5 Firewall when none of the LEDs turn on?
- J
  James BergSep 3, 2025
  If none of the LEDs turn on when you turn on the ZyXEL Communications Firewall, ensure that the power adapter is connected to the ZyWALL and an appropriate power source. Check all cable connections. If the LEDs still do not turn on, it may indicate a hardware problem, and you should contact your local vendor.
M
Monique DavisSep 4, 2025
What to do if I cannot access the ZyXEL Communications Gateway from the LAN?
- J
  John WagnerSep 4, 2025
  First, check your Ethernet cable type and connections, referring to the Quick Start Guide for LAN connection instructions. Also, ensure that your computer’s Ethernet adapter is properly installed and functioning.
G
gsmithSep 6, 2025
What to do if none of the LEDs turn on when I turn on my ZyXEL Communications Gateway?
- J
  Joshua OrtizSep 6, 2025
  First, ensure the included power adapter or cord is correctly connected to both the ZyXEL Communications Gateway and a working power source. If the issue persists, replace the fuse if it's burnt out. If the problem continues after these steps, it may indicate a hardware problem, and you should contact your vendor.

ZyXEL Communications ZYWALL 5 Specifications

General

Brand	ZyXEL Communications
Model	ZYWALL 5
Category	Firewall
Language	English

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