Solved One computer - two networks - two different ip ranges

February 6, 2012 at 14:42:53
Specs: Windows 7, 4 gb
Hello,

I have a customer that is trying to connect to a digital sign with the IP address of 192.168.0.200 and subnet of 255.255.255.0.
The computer is already, wirelessly, connected to a server that connects to the companies registers. The computer is telling me that it's been assigned 169.254.125.40. I can't really tell you much else about the server end of this setup because they simply won't let me access it.

I figured I should be able to use the computers unused LAN port to establish a wired connection with the sign. I set its IP address to 192.168.0.201 and subnet to 255.255.255.0. This however is not working. I tried pinging it, and I checked the computers IPCONFIG settings again and it's telling me it's set to 169.254.125.40. I then turned off the wireless card and restarted the machine and tried again. It still can not ping the sign.

Is what I am doing possible? The sign manufacturer says it is.

For the record I can not change any settings in the sign.



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#1
February 6, 2012 at 16:43:58
✔ Best Answer
Sign people either have no idea about this aspect of technology or are being incredible uncooperative.

NO ONE assigns a APIPA ip address.
http://www.webopedia.com/TERM/A/API...

Tell them you want the sign setup as a dhcp client. This way it will auto get a ip from your router. This would be good in the future is you change routers. They won't have to be involved.

On the other hand you maybe able to make these changes yourself. You would do a static ip assignment of 169.254.125.41 with subnet mask 255.255.255.0 and you should be able to logon to the sign with that ip.

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#2
February 9, 2012 at 12:25:43
Thanks for the reply. I understand what you are saying perfectly and admit all I was trying to do was looking for a way around that. The sign is already 50' in the air and unlike old signs does not have a computer controller which I can plug and keyboard/monitor into so I can make modifications to it internally. All it has is a distribution board connected to a radio per-programed with the IP. I bet I could reprogram the two antennas, like you mentioned, if I get creative enough but I don't know if it would still talk to the sign and their tech support is useless.

To confirm your theory... these sign people just want you to buy one of their desktop computers along with their sign.

All of this is fyi unless you have any other ideas. Otherwise, thanks for your help.


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#3
February 10, 2012 at 12:40:25
set your ip to the one I gave you and you should be able to access the signs software. you should be able to change its tcp/ip settings to what you need.
once done set your ip back to dhcp client [autoassigned] and you are done.

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