DX3301-T0 - Q&A / Troubleshooting Guide

In this article, we'll address common questions, provide solutions for issues related to the DX3301-T0 router, and offer tips on troubleshooting common problems.

Q1: What should I do if I forgot the password to the router?

If you've forgotten your router's password, follow these steps to reset it:

1. Locate the reset button on the router, usually a small hole labeled "Reset."
2. Use a paperclip or a similar tool to press and hold the reset button for about 10 seconds.
3. Release the button, and the router will reset to its default settings, including the default username and password (See this article).

Please note that resetting the router will erase all your custom settings, so you need to reconfigure it.

Q2: Can I turn off the LEDs on the DX3301-T0 router at night?

No, the LEDs on the DX3301-T0 router cannot be turned off. They will remain active.

Q3: Can the DX3301-T0 router establish a VPN connection?

The DX3301-T0 router does not have native VPN support. To set up a VPN connection, you may need to consider using a third-party VPN client or a separate VPN-capable device.

Q4: Can I schedule a reboot for the router?

Unfortunately, the DX3301-T0 router does not support scheduled reboots. You can only turn it off via hardware.

Q5: Is USB Dongle support available on the DX3301-T0 router?

The use of 4G USB dongles is not supported on the DX3301-T0 router. If you require 4G connectivity, consider using a dedicated 4G router. Note that the DX3301-T0 router supports only one WAN Ethernet entry.

Q6: Does the DX3301-T0 router support VoIP?

VoIP support may vary depending on your Internet Service Provider (ISP). If you got your router from your ISP and your ISP offers VoIP services, check with them for compatibility and setup instructions. Otherwise, if you have bought the router elsewhere, the DX3301-T0 router does not provide native VoIP support.

Q7: Does the DX3301-T0 router support port forwarding?

Yes, the DX3301-T0 router supports port forwarding. You can configure port forwarding settings in the router's web interface to allow specific services or applications to work correctly.

Q8: How can I download my configuration?

You can download the configuration on your router by navigating to

Maintenance > Backup/Restore

Then hit the "Backup" button to download your current configuration.

Q9: Can I put the wireless functionality to sleep during the night?

The DX3301-T0 router does not provide a built-in feature to schedule wireless functionality to sleep during specific times. The wireless network will remain active unless manually disabled.

Troubleshooting:

Q10: How can I troubleshoot internet problems or VPN connectivity issues?

A10: If you encounter internet or VPN issues:

1. Try using a wired connection instead of Wi-Fi. It may be that it's your WiFi that's causing the issue and not your connection.
2. Backup your router configuration. Then reset the router to factory defaults. Lastly, upload the backup configuration.
3. Check for firmware updates and apply them (check this article, section 3.3).
4. If you have a router behind the DX3301-T0, disable its firewall.
5. Consider trying a different modem or contacting your ISP.
6. Use port mirroring for diagnostics (http://192.168.1.1/portmirror).

Q11: What should I do if I have connection issues?

A11: If you experience connection issues:

1. Ensure you have contacted your ISP to verify credentials.
2. And check for any required VLAN settings with your ISP.
3. Verify with your ISP that your router's profile is supported for use throughout the EU.

Q12: Where can I find a list of supported 3G dongles for the DX3301-T0 router?

A12: You can find a list of supported 3G dongles in the Zyxel support document at this link: Supported 3G Dongles.

Q13: What should I do if my router is under attack?

A13: If you suspect your router is under attack:

1. Create an ACL (Access Control List) rule to block the ports being targeted.
2. Contact your ISP to report the attack and seek assistance.
3. Try powering down the modem for 24 hours, then power it up again. It should make the attacks stop.
4. Check with your ISP if they can change your IP address to mitigate the attack.