Hi there, we recently moved from an "old" Ultra2+ towards RN312. Migration was fine. But we have a major issue with our internet connection (Router is an AVM FritzBox) now. The connection runs well for around 9hours and then brakes every 2-3 min. It must be related to the RN312 somehow, because when we shutdown the 312 the connection ist fine again for the 8-9 hours. I can´t find anything in the logs from the 312 or the router which leads me to solve the problem. Right now i do an automatic shutdown/ restart in the morning. Any idea concerning that topic? CheersTobias

What firmware are you running? Also, can you list the services and apps that are enabled/installed? You might also try disabling IPv6 in the NAS

Firmware is newest available, 7.5.something afaik?! There are no apps at all installed, no antivirus enabled, no IPv6 enabled (also disabled on the router). Services only smb, http, https, nothing else. I tried to elimate all possible causes, but nothing I could think of helped.

You must mean 6.7.5 (current production release). ReadyCloud is also off? These traffic bursts are unusual. The NAS will sync with the NTP server from time to time, and it will occasionally try to update from Netgear repositories (which is silent, and doesn't change the firmware version). You could try removing all DNS servers, or possibly try misconfiguring the gateway IP - both would prevent the NAS from reaching the internet, but keep it on your local network.

Yes, i confirmed it´s 6.7.5. ReadyCloud is off. I even don´t know if it is some kind of traffic burst, since i can´t see any unusual usage on the router logs. The NAS is not syncing with an ntp, since i forced to sync time with the router, it provides a time server as well. I used the standard time server sync from netgear before, no difference. I will try the option preventing the NAS reaching iNet. Will come back with results. Is there an easy solution to "sniff" the network traffic between the NAS and router? Kind of wireshark? Or put the interface in promiscuous mode? Just to mention: I connected the NAS direktly to the Port of the Router without any other devices. So there can´t be any other interference from the rest of the network...

toby30938 wrote: Is there an easy solution to "sniff" the network traffic between the NAS and router? Kind of wireshark? Or put the interface in promiscuous mode? No. If you have a smart switch you can mirror the port, and do a wireshark trace that way. It would be handy sometimes to take a packet trace within the NAS (and download it later).

Network Issue between ReadyNAS and Router (AVM FritzBox 7490)

15 Replies

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StephenB
Guru - Experienced User
Jul 12, 2017
What firmware are you running? Also, can you list the services and apps that are enabled/installed?

You might also try disabling IPv6 in the NAS
- toby30938
  Aspirant
  Jul 12, 2017
  Firmware is newest available, 7.5.something afaik?! There are no apps at all installed, no antivirus enabled, no IPv6 enabled (also disabled on the router). Services only smb, http, https, nothing else. I tried to elimate all possible causes, but nothing I could think of helped.
  - StephenB
    Guru - Experienced User
    Jul 12, 2017
    You must mean 6.7.5 (current production release).
    
    ReadyCloud is also off?
    
    These traffic bursts are unusual. The NAS will sync with the NTP server from time to time, and it will occasionally try to update from Netgear repositories (which is silent, and doesn't change the firmware version).
    
    You could try removing all DNS servers, or possibly try misconfiguring the gateway IP - both would prevent the NAS from reaching the internet, but keep it on your local network.
Hopchen
Prodigy
Jul 13, 2017
You could use tcpdump to sniff the traffic. You just need to install and use through command line.

apt-get install tcpdump

As long as you are comfortable with the cli :)
- StephenB
  Guru - Experienced User
  Jul 13, 2017
  I was just thinking an app to take a trace might be handy sometimes. tcpdump is probably the right tool, since it outputs via pcap
  - toby30938
    Aspirant
    Jul 17, 2017
    Latest update. I switched the gateway to something stupid and it worked out the whole weekend. So it looks to me, that something from the 312 is messing up the router. I can leave it that way for some time, but a long term solution would be nice :)
    
    Anyhow, thanks for the hint. I would not have thought of it...

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Network Issue between ReadyNAS and Router (AVM FritzBox 7490)

15 Replies

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