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Internet connection warning and red LED with AX6000 Access Point Mode+DHCP

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Internet connection warning and red LED with AX6000 Access Point Mode+DHCP

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Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-07 19:50:02 - last edited 2021-02-07 20:25:30

I have an AX6000 in Access Point mode with the DHCP server on.

 

In the web admin UI the LAN and DHCP server pages are configured for a simple private network behind a home cable router:

AX6000 static IP: 192.168.0.253

Subnet mask: 255.255.255.0

DHCP Range 192.168.0.11-252

Default gateway: 192.168.0.1

Primary DNS server: 194.168.8.100 <- this is my ISP DNS server

Secondary DNS server: 8.8.4.4 <- a google DNS server

 

All wired and wireless clients connect correctly and can browse the internet with no problem, but the LED light on the top of the router has gone red, and there are warnings in the admin UI:

 

 - The router admin status page has a ! symbol over the internet icon

 - I cannot set the time from a network time server in the admin UI

 - When I use the System Tools > Firmware Upgrade > Check for Upgrade button, the UI shows this message: "Unable to check for upgrade. Make sure you are connected to the internet and try again" (screenshot below)

Finally, (most important for me) the AX6000 DHCP/DNS server will only answer queries for local devices;  any queries about external hosts will time out.

 

The only information in the AX6000 logs is "INFO" level information about services starting, no errors or warnings.

 

My ISP is Virgin Media in the UK. This same setup worked with no problem 1 week ago when my ISP was BT with their ADSL router. 

 

I know that I can work around all of these problems, but how can I understand what is happening? Is there a way to turn on additional logging?

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#1
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7 Reply
Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-07 22:23:45
I've just done a Factory Reset of the AX6000 and reconfigured the Access Point. Nothing is different, I still have the red light on the top of the router and other issues.
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#2
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-08 12:40:45

Someone else with a tp-link router in Access Point mode is having a similar problem: WAN led light orange, in Access Point mode  (Web view)

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#3
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-09 18:17:08

@RockPaper 

 

Delete the existing primary and secondary, and set the primary to the IP of the gateway.

 

If your cable modem is also a router, I would disable the DHCP server on the Archer AX6000, and have the modem/router distribute the IP addresses.

 

Another setup would be to have your modem just be a modem (bridge mode), and have the Archer AX6000 operate in router mode which should resolve your issue.

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#4
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-10 21:58:02 - last edited 2021-02-11 08:13:45

@Tony 

 

If I delete the Primary and Secondary DNS from the AX6000 DHCP configuration and replace them with the gateway IP address then all clients on my network stop working.

 

If I run nmap on my gateway router (VM Hub 3.0) then I can see that there is no DNS server running on it. This is the case if the VM Hub 3.0 gateway has the DHCP server enabled or not, tested February 2021. When the Hub 3.0 DHCP server is running it hands out an external DNS server IP to any clients.

 

I think that the problem is that the AX6000 has no way for me to set the DNS server if I make a static configuration. There is no input in the LAN configuration page, and the DNS servers on the DHCP page are not used by the AX6000 itself (for example to lookup time servers or the firmware download server),.

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#5
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-11 08:02:14

@Tony 

 

Still in AP mode, I tried the ax6000 1.2.0 firmware that has been posted on this forum for testing. It has the same issues:

 

1/ No logging of a failure to connect to the Internet, or the reason for the failure, in the AX6000 system log

2/ No way for me to specify a DNS server for the AX6000 in the Network > LAN > Static IP settings

 

Can these be passed on to the firmware team?

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#6
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-20 09:13:49

@Kevin_Z are the firmware engineers aware of this problem with fw 1.2.0 in AP mode? (Short thread above)

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#7
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Re:Internet connection warning and red LED with AX6000 Access Point Mode+DHCP
2021-02-22 21:44:49

@RockPaper 

 

Please DM me a link to your backup configuration file.

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#8
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