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This will bring up the login screen for the router as seen below:
Note- it is recommended to connect DSL cable to DSL port behind the router first before starting the configuration of the router.

  1. Enter the login credentials as follows:


  1. Select Network Settings 3) Click Home Networking

4) DHCP Server state is ticked as Enabled by default as mentioned in below snapshot. Customer can disable it if they don't wish to use Router as a DHCP Server.

5) Also please make sure IPv6 Active option deactivate (Blue to Grey) in case customer doesn't want to use IPv6 option by default.

Click on Apply to save changes.
Please proceed to the next page and beyond for guidance on Wi-Fi, firmware upgrades, remote management and SNMP.
The Zyxel VMG3925 router comes with two pre-configured Wi-Fi networks. The names (or SSIDs) of the two networks and their passwords can be found on the manufacturer's label on the rear panel of the router.
Please note that the 2.4G option can offer better Wi-Fi coverage at greater distances, although it may see lower speeds in comparison to the 5G option.
If you wish to change the names or passwords of the Wi-Fi networks, the basic settings are available through the following steps:


  1. Change the Wi-Fi network name and password as per your preferences:

Click on 'Save' to apply your settings.
Firmware Upgrade

2) Download the latest zip file, for e.g.
3) Open the zip file and extract the folder within it to a location on your PC or laptop.
4) On the main dashboard of the router, click on the menu button at the top-right corner of the screen in order to display more options:

`5) Click on Maintenance:

6) Select Firmware Upgrade

7) Click on Choose File and then navigate to the location of your saved folder as seen in Step 3. Select the file ending .bin, for example, V513AAXA10C0.bin:

8) Once you have selected the firmware file, click on Upload to begin the upgrade. Please note this process will take 2-3 minutes to complete and the router will reboot during this process:

Remote Management
Remote management is an optional feature should you wish to access your router remotely across the internet or provide such access to Cerberus Networks for troubleshooting purposes or NetStats bandwidth monitoring.


  1. Click on Maintenance: 3) Select Remote Management:

4) In the remote management table, all options under WAN are unticked by default. Please tick the following options:

  • PING
    (this is required if you want Cerberus to allow ping of router WAN IP over the Internet)
  • SSH
  • SNMP (this is only required if you wish to enable SNMP for bandwidth monitoring, as shown in the next section)

5) Click on 'Apply' to save your changes.


• Click on the SNMP Agent sliding button. The button should change from grey to blue to activate SNMP.
• 'Get Community' effectively works as a password. Please choose a random string of characters.
• 'Set Community' will not be used, but for security purposes a random password is recommended.

Click on 'Apply' to save your changes.