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 Post subject: Crossover cable help
PostPosted: Mon Jul 04, 2011 4:27 am 
Sharptooth
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Hey guys,
I am in a situation where I need to transfer text commands from one computer to another to control an eye tracking unit.

This has been setup for the last little while but we just replaced the computers and I do not know how to set this up.

the computer are connected with a crossover cable. One is running winxp and the other is running win7. I have been playing with the network setting on both machines but have not been able to get it working.

Thoughts or suggestions?

Phad


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 Post subject: Re: Crossover cable help
PostPosted: Mon Jul 04, 2011 2:14 pm 
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Are these computers connected to anything else besides each other? If they aren't, use the following instructions. If one or both are connected to another network, then we have a lot more work to do.

In order for two computers to reach one another in such a setup, you need to ensure first that they are on the same logical network. For the first PC, give it an IP address of 192.168.1.1 and a subnet mask of 255.255.255.0, default gateway and DNS server are irrelevant in this case. For the other PC, give it an IP address of 192.168.1.2 and a subnet mask of 255.255.255.0, and again, default gateway and DNS server do not matter.

To ensure everything is working correctly, open a command prompt on the first pc and type "ping 192.168.1.2" and you should see an output as such:

Pinging 192.168.1.2 with 32 bytes of data:
Reply from 192.168.1.2: bytes=32 time<1ms TTL=128
Reply from 192.168.1.2: bytes=32 time<1ms TTL=128
Reply from 192.168.1.2: bytes=32 time<1ms TTL=128
Reply from 192.168.1.2: bytes=32 time<1ms TTL=128

Ping statistics for 192.168.1.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

From there we can move on to the application sending the commands and the application receiving the commands.


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 Post subject: Re: Crossover cable help
PostPosted: Mon Jul 04, 2011 2:27 pm 
Sharptooth
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Thank you! I will give this a shot.

*edit* Is it different if one machine is Win7 and one is WinXP?


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 Post subject: Re: Crossover cable help
PostPosted: Tue Jul 05, 2011 10:04 am 
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Getting to the necessary place to change settings varies by OS, but the rules of TCP/IP are platform agnostic.


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 Post subject: Re: Crossover cable help
PostPosted: Tue Jul 05, 2011 11:02 am 
Sharptooth
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I just found out that the matlab scripts I am using work best with xp so both machines will have XP. This should make it easier?

-phad


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 Post subject: Re: Crossover cable help
PostPosted: Thu Jul 07, 2011 4:31 pm 
Sharptooth
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Hey,
So I think I achieved connection. I can transfer files between the 2 computer si that must mean success correct? The reason I ask is that I can only ping the IP that is set on that machine and not the other.

phad


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 Post subject: Re: Crossover cable help
PostPosted: Mon Jul 11, 2011 4:25 pm 
8086
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Location: Covington, La.
That would probably be because the windows firewall is on. Obviously no need for it between 2 computers unless one have a direction connection to the net on one , so disabling it would make your life easier.


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