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Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help

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Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help
Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help
2025-04-28 07:49:39 - last edited 2025-05-06 11:48:20
Tags: #Installation
Model: Deco X73-DSL  
Hardware Version:
Firmware Version:

Hi everyone. I have a Deco X73-DSL that I was using with my old ADSL connection. Recently been upgraded to full fiber but have been unable to setup my deco. My ISP (Vodafone) have provided the third party router details, and I've tried to setup the deco using those details and instructions but with no luck. I've also followed the 'FTTP Option 2 Replace Vodafone Wi-Fi hub with Deco' in the tp-link support resources but again with no luck. Could someone help me with this? (The Vodafone supplied router is incredibly terrible!). Thank you!

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Re:Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help-Solution
2025-04-29 04:01:13 - last edited 2025-05-06 11:48:20

  @seb1lngt0n 

Hi, welcome to the community.

What internet connection did you set up on the Deco X73-DSL?

 Is it VDSL router mode+ PPPoE credentials, with or without VLAN Tags 101/911?

If it is PPPoE, please make sure the username is in email address format, such as xxx@broadband.vodafone.co.uk.

Wait for your reply.

Best regards.

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco X50/X55_V1.3_1.3.1 Introduced Channel Selection, WiFi Access Control and WireGuard VPN ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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Re:Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help-Solution
2025-04-29 04:01:13 - last edited 2025-05-06 11:48:20

  @seb1lngt0n 

Hi, welcome to the community.

What internet connection did you set up on the Deco X73-DSL?

 Is it VDSL router mode+ PPPoE credentials, with or without VLAN Tags 101/911?

If it is PPPoE, please make sure the username is in email address format, such as xxx@broadband.vodafone.co.uk.

Wait for your reply.

Best regards.

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco X50/X55_V1.3_1.3.1 Introduced Channel Selection, WiFi Access Control and WireGuard VPN ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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Re:Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help
2025-05-08 18:28:28

  @David-TP Thanks for replying David! 

 

The instructions provided by vodafone include;

 

- username: dslxxx@broadband[dot]vodafone[dot]co[dot]uk

- VLAN: 901

- VPI: 0

- VCI: 38

- Protocol: PPPoA or PPP over ATM

- Framing/multiplexing: VC-based or VC-MUX

- Modulation: Multimode or G . dmt / ITU G992.1 (ADSL1) or ITU (ADSL2+)

- Security/Auth type: CHAP

- Idle timeout: No or 0

- MTJU Size: 1492

- IP Address: Obtain from ISP

- Default Gateway: Obtain from ISP

 

I have tried setting up PPPoA and PPPoE (as per TP-Link guide) but neither have worked. 

 

Appreciate any direction, thank you!

 

 

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Re:Deco X73-DSL (TP-Link AX5400) with Openreach modem (or ONT, fiber modem) help
2025-05-09 01:38:12

  @seb1lngt0n 

Hi, Thanks for the update.

Have you tried:

PPPOE+VLAN ID 901

username: dslxxx@broadband.vodafone.co.uk

password:xxxxxx

 

As for the DSL modulation, after the setup, if it still doesn't, could you please refer to this link to access the Deco web UI to check the DSL Modulation type:

How to check DSL sync status on Deco DSL model

 

Wait for your reply.

Best regards.

▶Check What's Currently Going on With Deco ▶Deco X50_V1_1.8.0 Significantly Expanded the Client Connection Details and Added Channel Selection ▶Deco X50/X55_V1.3_1.3.1 Introduced Channel Selection, WiFi Access Control and WireGuard VPN ▶Deco BE65/BE65 Pro 1.2.0 Enhanced Mesh Network Stability and System Security ▶Deco BE75 1.1.0 Added WireGuard VPN, Manual Channel Selection and More Try to leave a Message if urgent help is required.
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