How do I re-configure my Zyxel Modem?

To Log on to the router make sure that the router is plugged in via cable to the pc.

Open a Browser page. In the address bar type the following.


You should see a screen as follows

(If you do not see this screen or your router has previously been reset, try the following address: //

Your Password should be the Customer DSL Password issued to your with your welcome pack. If you have reset the router it will be 1234.

Once you have input your password and clicked “Login” you may be asked a question about the using the “wizard” or go to “advanced mode” as shown below:

Select advanced mode and click APPLY

You will be presented with the following screen:


Select Network from the Menu on the left hand side to go to the following screen, followed by WAN and Internet Connection. You will see the following screen:

Check that the settings match the following:

  • ADSL Mode                           = Auto Sync-Up
  • Annex Type                = ANNEX A/L
  • Mode                           = Routing
  • Encapsulation              = PPPoE
  • User Name                  = DSL User Name
  • Password                     = DSL Password
  • Service Name              = Magnet
  • Multiplex                     = LLC
  • VPI                             = 8
  • VCI                             = 35
  • Obtain an IP Address Automatically
  • Keep Alive

On the left hand Menu – go to LAN, DHCP Server and DNS Server to see the following screen:

Check your settings to match to match the following;

  • Primary DNS Server               =
  • Secondary DNS Server           =


On the left hand Menu – go to NAT to see the following screen:

Select the following :

  • Active Network Address Translation
  • SUA Only

On the left hand Menu – go to Security to see the following Firewall Settings screen:

Set both Firewall and SPI to Disable

On the left hand Menu – go to Network, Wireless LAN to see the following screen:

Set Wireless LAN to Enable

This is also where you can change teh wireless channel if you are having trouble with your WiFi connection within your home due to interference.

Finally, on the left hand Menu – go to Network, WAN and Click Advanced Set-up to see the following screen:

If you have rest your router/modem then the MTU value will have reset to 1500. This will result in some web pages not being accessible. The correct setting is 1492.