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can't access one device over ipcop vpn

Posted on 2010-11-16
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Last Modified: 2012-06-27
Hello Everyone

I have two networks joined with 2 x ipcop boxes VPN.

I have added a new Compro IP70 security camera to one of the networks.

Though i can't access this over the VPN.

Every other device/pc works fine over the VPN.

The IP70 has the correct default gateway setup, though it appears its not working.

i've reset the the ip70 to factory defaults. It's on the latest firmware.

i have 2 x ip50's they work fine over the vpn just not the ip70.

Wondering what i can do to get it working :)

Regards,
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Question by:Up2DateTech
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Accepted Solution

by:
dacasey earned 500 total points
ID: 34143225
Does this device support any mangling of the packet?  Make sure your frame size is 1408 and that you don't have anything like jumbo frames turned on.
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Author Comment

by:Up2DateTech
ID: 34143234
i wish it did.  no advanced settings like that.
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Author Comment

by:Up2DateTech
ID: 34143264
i just played around with the mtu over the vpn.  down to 512 up to 1500 didn't make any difference.
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Assisted Solution

by:dacasey
dacasey earned 500 total points
ID: 34143410
Sanity check.  You can ping and connect to the IP70 properly on it's local segment?

Have you tried pinging from the remote ipcop box?

If you really need to know fire up wireshark and look at the packet on the ipcop box on the same side as the camera.
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Author Comment

by:Up2DateTech
ID: 34143467
ok works fine on local network.  ping everything.

on the remote ipcop box i can't ping anything over the vpn.

though from my home PC i'm using now i can ping everything over the vpn.   BUT not the dam ip70 :)

wireshark ?? google time.
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Author Comment

by:Up2DateTech
ID: 34143535
dling wireshark now.  looks cool.  i'm a windows person.  never like playing around with my ipcop to much.  

any other ideas
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Author Comment

by:Up2DateTech
ID: 34143627
i think i;m after a magic cure.  i have posted in a few forums about this problem.  i personally think it's a problem with the firmware or device.  

why, everything else on the networks communicate with no problems only this one device.

If by magic someone else has an compro IP70 and can test over VPN i'll be very happy.

though my next step it to take it to another network and test on their VPN.

to much work for a $200 device that should just work.
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Assisted Solution

by:dacasey
dacasey earned 500 total points
ID: 34143679
This really should be simple.  If every other device works through the VPN and only the IP70 does not then it's got to be something with the IP70...

If you look at a packet from the IP50 and compare it to a packet from the IP70 this should answer the question.  What is the MTU on the IP50?

Have you re-entered the gateway address in the IP70?  Does the IP70 have a pnig utility?  Can it ping both ipcops?
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Author Closing Comment

by:Up2DateTech
ID: 34177407
thanks everyone for your replies.

Waiting for compro to help me.  They seem to have very very slow service.  
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