GT-BE98 Pro Loses DNS

[uanmi]

I'm having the same problem as many others with this router. The DNS drops out after a while.

I have IPv6 turned on and have set all of the DNS to the ISP DNS. No VPN or other setup.

DNSSEC enable

validate unsigned DNS enable

auto DoH no

DNS privacy none

I've tried using cloudflare and google DNS. At a complete loss with this device - when are the problems with DNS and QoS being fixed? Any help appreciated.

[jzchen]

As background I simply kept the DNS of AT&T (my ISP), until I switched to an ExpertWiFi EBG15 as primary router and it has DNS comparator showing that Google has the lowest ping to my location.

This is the latest thread that shows related to yours.  There is a warning on the OPs screenshot about the DHCP server DNS being different.  Go to your LAN DHCP server settings and set the IPv4 DNS settings there to match, (if you haven't already)...

https://rog-forum.asus.com/t5/gaming-routers/gt-be98-pro-loses-dns/td-p/1104978

[uanmi]

Hi jzchen, thank you for responding.

Under DHCP - DNS and WINS Server setting the boxes are currently blank and Advertise the router's IP in addition to user-specified DNS is selected.

Previously, I had filled these boxes with the same DNS set under WAN and IPv6 but the DNS still locked up all the time and the router had to be rebooted. Removing the settings and just relying on the router address advertisement has made no difference for me.

Also, I should have stated earlier I'm using firmware 3.0.0.6.102_39115-g964e46d_1472-g67069_BB0B

[jzchen]

Just to clarify this problem shows next to the Globe symbol as a problem with the ISP's DNS server?

If so I suggest changing the (EDIT) DHCP Query frequency from the current setting to one of the other two:

If currently Normal try Aggressive.  (I like to set Normal but it caused loss of connectivity and switched back to default Aggressive).

I have not tried Continuous but I have read of others that it helped...

[uanmi]

Hi jzchen, I have not seen a warning next to the globe.

i don't know how to chance the DNS query frequency.

On the WAN page I found a setting: DHCP query frequency and it is set to aggressive mode. This appears to be related to the router getting its IP from the ISP, nothing to do with DNS according to the popup details.

I talked to the ISP and they said that my device was not creating unusual traffic, so the problem appears to be internal to the ROG GT-BE98

[jzchen]

Sorry it was middle of the night here and although I did catch the mistake it was later.  I meant DHCP Query Frequency.  It does appear to have an effect on stability with our AT&T service and works better with Aggressive (default) vs Normal.  I've read some find Continuous better for them for Spectrum...

[uanmi]

thx jzchen, I have my box set to aggressive (default) - the connection to the ISP is stable.

[Saltgrass]

You might think about looking through your log.  You should be able to find MAC addresses or IP addresses you could search for related to the DNS failure.

If you knew an exact time when it happens, you could search for such information.  My system works normally, but I have default settings and not made any changes to the other options you describe.

[uanmi]

Hi Saltgrass, I've been turning everything off (auto DoH, privacy, etc) in the DNS area, and the box appears to be a bit more stable. I've run out of patience though and will take possession of a quad band Wi-Fi 7 firewall and extender boxes today.

I think this might be my last ASUS for a while. An expensive problem and not a peep from ASUS when I contacted them about the problems. I think they know the ROG GT-BE98 is a lemon.

[uanmi]

A followup post. I purchased an alternative quad band wifi 7 router and extender. Installed and DNS problem that existed with the ASUS ROG GT-BE98 has not resurfaced.

I can sleep for a few days, and then think of what to do with the very expensive ASUS ROG GT-BE98 and extender that I have put into a plastic container. I'm really disappointed with ASUS.