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Forum Discussion
Nighthawk R7000 reliable problems
Hi, I have had a NetGear Nighthawk R7000 since 2016, it have worked well! But now there is a couple of problems. It started with all devices losing connection to the router from time to time. I ...
You are correct, it's a broadband switch that the lokal fiber network company have installed. I have connected laptop computer to this before to troubleshoot but there have never really been any problems with it. It is as I said connected to the WAN port on the Netgear router so I would expect the netgear router to block the switch DHCP server.
According to the provided guides with the broadband switch you can connect a computer or a Wifi router to any of the LAN ports.
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I have no done a factory reset, then downloaded and installed the latest firmware manually. I have added a couple of settings like, wifi password, static ip to some devices and a open port, nothing more really.
Besides a lot of DHCP requests I can see that the exact same problem persists, so no luck.
to clarify, its connected as the provider suggests : Broadband Switch > Router > Switch > Devices\more Switches
BizBit wrote:
You are correct, it's a broadband switch that the lokal fiber network company have installed.
Who knows what goes on with "exotic" networks like that. Most people turn up with simple systems of the modem/gateway/ONT variety.
The best people to ask about adding a router to their network is the ISP that inflicted this arrangement on you.
Okay, so the summary is that the "[DoS attack: Smurf] (6) attack packets in last 20 sec" that triggers every 15 min can be ignored, have nothing to do with slowdown or denial of service.
The [Internet connected] followed by the [Time synchronized with NTP server] that triggers every 10 min on the other hand could be the real problem. If so then it's probably the broadband switch that are connected on the router WAN port that inflict it. If so, why is the R7000 not accessible from time to time, not even by wire? I would understand that we lose internet if there is a problem with the broadband switch but why would this make the R7000 unavailable as well? There is also no trace of R7000 restarting, it just suddenly work again.
Netgear's firmware is great at creating false reports of DoS attacks. Many of them are no such thing.
Search - NETGEAR Communities – DoS attacks
Use Whois.net to see who is behind some of them and you may find that they are from places like Facebook, Google, even your ISP.
Here is a useful tool for that task:
IPNetInfo: Retrieve IP Address Information from WHOIS servers
If these events are slowing down your router, that may be because it is using up processor time as it writes the events to your logs. Anything that uses processor power – event logging, QoS management, traffic metering – may cause slowdowns. Disable logging of DoS attacks and see if that reduces the problem. This does not prevent the router from protecting you from the outside world.