ZyXEL Communications ZyWall1

Questions and Answers

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Sandra AdkinsAug 6, 2025
What to do if I cannot ping any computer on the LAN using my ZyXEL Communications ZyWall1 Gateway?
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  Andre WilsonAug 6, 2025
  If you cannot ping any computer on the LAN, and all of the 10/100M LAN LEDs are off, check the cables between the ZyWALL and your computer or hub. Verify that the IP address and the subnet mask of the ZyXEL Communications Gateway and the computers are on the same subnet.
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nstrongAug 16, 2025
Why none of the LEDs turn on when I turn on my ZyXEL Communications ZyWall1 Gateway?
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  Alexis MoralesAug 16, 2025
  If none of the LEDs turn on when you turn on the ZyWALL, ensure that you have the correct 5 VDC power adapter connected to the ZyWALL and plugged in to an appropriate power source. If the error persists, you may have a hardware problem and should contact your vendor.
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Andrea WestOct 25, 2025
Why can't I get a WAN IP address from my ISP on my ZyXEL Communications ZyWall1 Gateway?
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  Jeffrey GeorgeOct 26, 2025
  If you cannot get a WAN IP address from your ISP, it might be because the ISP verifies the MAC address, host name, or user ID. You should determine the verification method used by your ISP and configure the corresponding fields. If the ISP checks the WAN MAC Address, you can find the ZyWALL's WAN MAC address under MAINTENANCE, then DHCP Table, and send it to the ISP. If the ISP checks the host name, enter your computer’s name in the System Name field in the first screen of the WIZARD SETUP. If the ISP checks the user ID, verify your service type, user name, and password under ADVANCED, WAN, and the ISP tab. If the ISP does not allow you to use a new MAC, clone the MAC from the LAN as the WAN under ADVANCED, WAN, and then the MAC tab. ZyXEL recommends that you configure this menu even if yo...