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DNS Probe finished nxdomain & missing router logs
I have a RBK853 — Orbi WiFi 6 System AX6000 model, which is working fine, but has a couple of bugs? 1 router + 2 satellites with currently version 3.2.16.22 firmware on each. The first issue:...
Work around fix for now.
Under your router admin > advanced > advanced > IPv6
I changed the Internet Connection Type from "Disabled" to "6to4Tunnel", the rest I just left as automatic, applied and also rebooted the PC.
So are these bugs that has been around for quite a while and affects a bunch with this certain mesh router, but no one has any clue how to resolve it?
Is there any information you might need to help?
- Domain Name Server (DNS) Address is set and everything else is automatic
- WAN Preference is Internet Port (2.5 Gbps)
- Enable AX is on
- Disable IGMP Proxying is ticked
- RIP Direction is both
- RIP Version is disabled
- Use Router as DHCP Server is ticked
- NTP Settings is set
Do I use Router or AP Mode? Currently it's on Router
- Guest Network is disabled
- E-mail Notification is Off
- No Port Forwarding
- No Dynamic DNS
- No VPN Services
- No Static Routes
- Remote Management is disabled
- UPnP is disabled
- IPv6 is disabled
- Traffic Meter is disabled
- VLAN / Bridge Settings is enabled (VTAG ID = 10 / PRIORITY = 0 / ALL)
I was originally using CloudFlare DNS:
1.1.1.1
1.0.0.1
I assumed it was the fastest DNS available and they worked fine with previous routers, however came across this DNS Performance Tester App (as mentioned in another post):
GRC's | DNS Nameserver Performance Benchmark
After a full scan of all DNS servers, it listed CloudFlare DNS as the 6th faster for me. My ISP DNS servers was considered the fastest. I'm guessing it had to do with my location and the distance delay. So updated the DNS to them.
This might of resolved the "DNS Probe finished nxdomain" issue, as it hasn't appeared so far since.
The problem with this Orbi Mesh Router might only occur for those with delayed DNS and/or a certain DNS? If anyone else has the same problem, does changing the DNS also help them?
What happens if you use ISP DNS? Same thing?
Validus wrote:I was originally using CloudFlare DNS:
1.1.1.1
1.0.0.1
I assumed it was the fastest DNS available and they worked fine with previous routers, however came across this DNS Performance Tester App (as mentioned in another post):
GRC's | DNS Nameserver Performance Benchmark
After a full scan of all DNS servers, it listed CloudFlare DNS as the 6th faster for me. My ISP DNS servers was considered the fastest. I'm guessing it had to do with my location and the distance delay. So updated the DNS to them.
This might of resolved the "DNS Probe finished nxdomain" issue, as it hasn't appeared so far since.
The problem with this Orbi Mesh Router might only occur for those with delayed DNS and/or a certain DNS? If anyone else has the same problem, does changing the DNS also help them?
It still has the problem, but extremely rare to come up now and when it does it's just for a split second.
A delayed or slow DNS does seem to increase this problem or at least make it noticable (I barely would notice it now and disregard it as nothing / not a problem - quite a few might have this and just don't notice it). The problem seems to be affecting the Orbi Mesh Router, not other routers (using same DNS and settings). It affects IPv4 users, not IPv6 (but my ISP doesn't seem to offer IPv6)?
As for the logs, it's cropping it short. So when you login to the admin and check the logs there would be the last 8 lines only. Does it have to be emailed to you for the full log? What's the point of the clear log button, there's barely a log to clear.
I doubt the logs will be helpful, though debug logs sent to NG support would be more helpful I presume: router ip/debug.htm
