Ive owned a ReadyNAS Ultra 4+ for several years now, with little to no problems, however I'm now having a very strange issue. Every time my NAS is connected to the network, the entire network begins to crawl. And I do mean the entire network, both LAN and WAN. Page loads will slow down and even fail to load, accessing my mapped drives slows down, even wifi devices will slow down. I am positive it's the NAS causing the slow down because I can unplug the 2 cables and the network returns to optimal performance. My network: Motorola Surfboard SB6141Netgear R7000Trendnet TEG-S80g siwtch <--- NAS is connected to switch with 2 Cat5e cables. NAS is on the latest firmware, both network interfaces have static ip set inside frontview. I tried trading the Trendnet switch for a Linksys SE2500 and that didn't work. I have purchased at the time of this writing a bunch of cat6 cables from Monoprice.com to replace every cable I can to see if that will help performance. I have found a couple other threads that sound similar to the problem I'm experiencing but no answers or solutions:http://www.readynas.com/forum/viewtopic.php?f=21&t=76765http://www.readynas.com/forum/viewtopic.php?f=21&t=56182Please help me out.

What happens if you unplug one of the two ethernet cables to the NAS (leaving the other connected).

Ive disconnected one of the ethernet cables and my network seems to be working properly. However, won't this lower my read/write performance to the NAS?

Don't think so with that model or not that much.

IseWise wrote:Ive disconnected one of the ethernet cables and my network seems to be working properly.That suggests the problem was some form of an ethernet/bridging loop. Generally when you connect two cables that way you want to use a link aggregation protocol (for instance LACP). I think you might not have been doing that. LACP needs the switch to support it to.IseWise wrote:However, won't this lower my read/write performance to the NAS?Not for single user performance. If you have simultaneous users it might reduce performance a bit.

StephenB wrote:IseWise wrote:Ive disconnected one of the ethernet cables and my network seems to be working properly.That suggests the problem was some form of an ethernet/bridging loop. Generally when you connect two cables that way you want to use a link aggregation protocol (for instance LACP). I think you might not have been doing that. LACP needs the switch to support it to.Perhaps, I spoke too soon. It appears that the problems have returned. I tried connectly the NAS directly to the router and that didnt seem to help either. Ive had both ethernet connections connected before for quite some time to the same switch and haven't had issues before.IseWise wrote:However, won't this lower my read/write performance to the NAS?StephenB wrote:Not for single user performance. If you have simultaneous users it might reduce performance a bit.At this point, Ill take a small performance hit for reliability on my network. Im wondering if this problem has anything to do with me recently switching ISPs. I recently upgraded from Centurylink DSL to Comcast cable. I checked Network > Global Settings > DNS settings were empty. I filled them in with my DNS servers provided by my ISP, but I am still have slow down issues. A have ftp running on the NAS. Could this be related?

ReadyNAS Ultra 4 is slowing down my entire network LAN & WAN

31 Replies

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IseWise
Aspirant
Sep 29, 2014
StephenB wrote:
IseWise - can you check for packet loss stats on your local LAN?

I checked my router and it displays Rx and Tx packets as well as collistions. No collisions across all interfaces.
StephenB
Guru - Experienced User
Sep 29, 2014
Can you try using the blocking controls in the R7000 to prevent any internet access for the NAS? Go into the "Advanced" tab of the router and choose "security", then "Block Services" Add a new service, specifying "ALL" in the pulldown and the NAS IP address. Set the schedule to "always", and then reboot the router. See if the performance symptoms change. I don't think this will impact local NAS access (though I haven't tried it either).

Don't block all IP addresses, just the NAS.
StephenB
Guru - Experienced User
Sep 30, 2014
FYI, I suspect that your NAS might also have gotten hacked, since the signature is so similar to FiremedicJM's. The timing (with Shellshock) is also about right.

StephenB wrote:
IseWise - can you check for packet loss stats on your local LAN?

IseWise

Aspirant

Sep 30, 2014

StephenB wrote:
Can you try using the blocking controls in the R7000 to prevent any internet access for the NAS? Go into the "Advanced" tab of the router and choose "security", then "Block Services" Add a new service, specifying "ALL" in the pulldown and the NAS IP address. Set the schedule to "always", and then reboot the router. See if the performance symptoms change. I don't think this will impact local NAS access (though I haven't tried it either).

Don't block all IP addresses, just the NAS.

StephenB wrote:
Can you try using the blocking controls in the R7000 to prevent any internet access for the NAS? Go into the "Advanced" tab of the router and choose "security", then "Block Services" Add a new service, specifying "ALL" in the pulldown and the NAS IP address. Set the schedule to "always", and then reboot the router. See if the performance symptoms change. I don't think this will impact local NAS access (though I haven't tried it either). Don't block all IP addresses, just the NAS.

This seemed to do the trick. Been working fine. Ill have to find another way create a ftp server though.

IseWise
Aspirant
Sep 30, 2014
StephenB wrote:
FYI, I suspect that your NAS might also have gotten hacked, since the signature is so similar to FiremedicJM's. The timing (with Shellshock) is also about right.

How was it hacked and what can I do about fixing it?
mdgm-ntgr
NETGEAR Employee Retired
Sep 30, 2014
Do you forward ports from the web to your NAS? If you don't need to forward ports you shouldn't.

What version of RAIDiator are you running?

The solution would be to backup your data, do a factory default (wipes all data, settings, everything), update to 4.2.27 beta (addresses ShellShock), then put your data back on.
IseWise
Aspirant
Sep 30, 2014
mdgm wrote:
Do you forward ports from the web to your NAS? If you don't need to forward ports you shouldn't.

I don't forward any ports explicitly to the NAS. I have Upnp enabled on my router howerver.

mdgm wrote:
What version of RAIDiator are you running?

4.2.26

mdgm wrote:
The solution would be to backup your data, do a factory default (wipes all data, settings, everything), update to 4.2.27 beta (addresses ShellShock), then put your data back on.

Ill have to prepare for that. Right now the instruction StephenB provided is working for me. Is there another way perhaps other than fully wiping it to fix the hack?
mdgm-ntgr
NETGEAR Employee Retired
Sep 30, 2014
Could possibly wipe the OS partition and extract the OS onto that again, but would need remote access to your system to do that.

A factory default (wipes all data, settings, everything) would be best.
IseWise
Aspirant
Sep 30, 2014
mdgm wrote:
Could possibly wipe the OS partition and extract the OS onto that again, but would need remote access to your system to do that.

Is this the same as Reinstalling the OS via the Boot menu when the NAS is booting up? Because Ive tried that and it didnt work. By remote access do you mean SSH?

mdgm wrote:
A factory default (wipes all data, settings, everything) would be best.

What about updating to 4.2.27 beta right now?
mdgm-ntgr
NETGEAR Employee Retired
Sep 30, 2014
IseWise wrote:

Is this the same as Reinstalling the OS via the Boot menu when the NAS is booting up? Because Ive tried that and it didnt work. By remote access do you mean SSH?

No, I mean remote access at a lower level.
IseWise wrote:

What about updating to 4.2.27 beta right now?

That would reduce the likelihood of being hacked in the future, but it is not likely to disinfect the OS partition of a system that has already been hacked.

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ReadyNAS Ultra 4 is slowing down my entire network LAN & WAN

31 Replies

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