NetGear MR814v2 DNS Query REFUSED errors
Have the latest firmware (5.3_05) and have had it for a long time. This problem just started happening to me.
Have started to see issues with DNS. NetGear is getting IP and DNS servers from ISP (comcast). NetGear is serving as DHCP server for my PCs and advertising itself as the DNS server and router.
I have been getting consistent DNS issues. Running nslookup or dig shows NetGear replying a REFUSED status to 50-75% of application DNS queries.
If I grab the ISP DNS servers from the router connection status and query them directly I am not getting any DNS errors from them, so it seems like the DNS proxy/relay or whatever the NetGear is doing is failing badly for some reason.
Have reset router and cable modem and am seeing same problem from multiple PCs and OS's (Linux. Win98. XP), so looks to me like a router issue. Have even shut the router down for a long time and then see the problem immediately on bring up, so shouldn't be a heat problem of the like.
Here is an example of 4 DNS requests made against the router in a row (all for same host, about a 2 second pause between requests). NOERROR, REFUSED, REFUSED, NOERROR. If I bypass the router and query the ISP DNS directly I am never seeing these REFUSED status. Doesn't make any sense to me. All other connectivity through the router appears to function properly.
Any ideas? Is there away to debug DNS from the router itself?
; DiG 9.3.1
Posted 5 years ago by d_cymbal in Wireless Networking
