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Sonicwall NSA 240 Connection Issues random

Posted on 2010-09-14
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Last Modified: 2012-05-10
Hey Guys,

I was hoping someone could shed some light on my problem here. I have a new Sonicwall NSA 240 that I am replacing a Sonicwall TZ170.

All my settings are identical as I had to manually type and reset everything.

Once I plug in the new NSA240 everything seems to be okay, then a few minutes later the connection drops to the internet, then a few minutes (about 1 to 2 minutes) the connection is back up and running.

This happens all the time and just repeats. I have already updated the firmware to the latest and greatest, rechecked my settings. I know everything works because during the time it is up, I can receive email to my exchange server, browse the web and do anything.

Once the connection drops I am dead in the water.

I have yet to contact Sonicwall and see if someone here could help. If not then off to Tech support. There is nothing special about the firewall setup as I have done this on numerous sites. This is my first NSA 240 as I have only used TZ170. Anyone got any clues?

Thanks.
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Question by:AsystData
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Expert Comment

by:MostCuriousGeorge
ID: 33677048
I called sonicwall support about a very similar issue but they immediately recommended backing up the settings, resetting the device to factory defaults and then restoring the settings again. I'm sure this was a bit of a cop-out initially for them but it did work for me. This was on a TZ 210 with Enhanced OS
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Author Comment

by:AsystData
ID: 33677653
I will try that and see what happens as well, I appreciate the lead.

Thanks.
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Expert Comment

by:crouthamela
ID: 33678267
Do you happen to have 2 WAN ports configured and Load Balancing enabled? Can you spare some more details on your configuration?
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Author Comment

by:AsystData
ID: 33709639
I will be looking into this wednesday since I don't have the device connected since it cause to many issues and had to revert back to the old device. But I can't recall if I have load balancing enabled, I know I only have 1 WAN setup and 1 LAN setup.
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Accepted Solution

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AsystData earned 0 total points
ID: 33781959
Okay I was able to resolve this after testing out some things. First I did download the latest firmware 5.6, but I do not think that was the cause of my issues. In fact it was not the cause at all.

In my Firewall settings I have 6 outside VPN locations that come back to  my office, those 6 connections were causing my issue. When I went into VPN>>Settings and turn off each location my connection stayed stable and I didn't have any more internet or network drops.

Second as I did try to add just one location back it knock my network and firewall off again. So the culprit is the VPN settings.

Now I did go in and setup a rule to allocate my bandwidth for my network, vpn, and internet, but that didn't resolve anything. So I have to start and look at my VPN setup as why they are giving me issues. The good thing at least I resolved that part and the VPN is just cameras so I can live temporarily without video feed.

I appreciate everyone input and help.
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Expert Comment

by:MostCuriousGeorge
ID: 33782030
Out of curiosity, are these sonicwall-to-sonicwall VPN's?
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