AX1800/AX20 - cannot connect to virgin media super hub in modem mode

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AX1800/AX20 - cannot connect to virgin media super hub in modem mode

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AX1800/AX20 - cannot connect to virgin media super hub in modem mode
AX1800/AX20 - cannot connect to virgin media super hub in modem mode
2021-10-31 16:26:32 - last edited 2021-11-17 09:50:25
Model: Archer AX20  
Hardware Version: V2
Firmware Version: 2.1.1 Build 20210521 rel.72529(4555)

I've updated my router from TP-Link Archer C3150 to TP-Link Archer AX1800 (AX20). 

 

My ISP is Virgin Media and I have their latest Superhub 4 router. My previous configuration (the one I was trying to keep) was:
 

Virgin Media in modem mode -> Archer C3150 (dynamic IP 86.6.x.x) -> Lan+Wifi 192.168.1.x

 

However, when I connected new router AX1800 it was unable to get dynamic IP from modem. 

Configurations that do work are:

 

Virgin Media in modem mode -> Archer C3150 (dynamic IP 86.6.x.x) -> Lan+Wifi 192.168.1.x -> cable to AX1800 (dynamic IP 192.168.1.100) -> Lan + Wifi 192.168.2.x

 

Virgin Media in router mode -> AX1800 (dynamic IP 192.168.0.x) -> Lan + Wifi 192.168.1.x

 

But there is no way to setup it in modem mode. 

 

Virgin Media in modem mode -> AX1800 (dynamic IP 86.6.x.x) -> Lan+Wifi 192.168.1.x - the "internet" LED stays orange, and no IP is assigned to WAN interface. All standard magic like restarting modem, router, replacing cable , ... completed. 

 

Could it be some issue in AX1800's dhcp client that it doesn't allow external (non 192.168.x.x) IP address? I had no such issue with previous router. 

 

Any help appreciated.

 

Kind regards,

Andrzej

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1 Accepted Solution
Re:AX1800/AX20 - cannot connect to virgin media super hub in modem mode-Solution
2021-11-12 16:47:51 - last edited 2021-11-17 09:50:25

@terziyski 

I've left it as it was. Since then new firmware update came up "2.1.2 Build 20210901 rel.75681(4555)" that seem to fix the problem. 

 

Now my Archer AX20 connects to virgin media super hub in modem mode without any issues. 

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Re:AX1800/AX20 - cannot connect to virgin media super hub in modem mode
2021-10-31 19:06:24

@AndrzejW 

 

Have you tried to clone the C3150 WAN MAC address to the Archer AX20 and see if that will make any difference ?

In general AX20 should not have any problems to receive a public IP address dynamically on its WAN port.

 

 

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Re:AX1800/AX20 - cannot connect to virgin media super hub in modem mode-Solution
2021-11-12 16:47:51 - last edited 2021-11-17 09:50:25

@terziyski 

I've left it as it was. Since then new firmware update came up "2.1.2 Build 20210901 rel.75681(4555)" that seem to fix the problem. 

 

Now my Archer AX20 connects to virgin media super hub in modem mode without any issues. 

Recommended Solution
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