Host computer can't connect to target computer.

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PengQilin PengQilin 2018-12-31

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https://ww2.mathworks.cn/matlabcentral/answers/437731-host-computer-can-t-connect-to-target-computer

评论： Dimitri MANKOV 2020-10-29

Hi all,

I'm having trouble connect my host computer to target computer.

My target computer is DELL OptiPlex 7060, its built-in ethernet card is Intel(R) Ethernet Connection(2) I219-LM, which is not supported by xpc target, so I install a R8139 ethernet card, which is supported by xpc target, into its mainboard, and this R8139 ethernet can be used normally in my older xpc target computer. Also, I disable the built-in ethernet card in the bios setup, and I can surf the Internet normally in the Windows environment with the installed R8139 ethernet card.

However, after I boot the target computer successfully with the DOS Loader Boot Method, I can't connect my host computer to the target computer.

When I type 'slrttest' in the command window in MATLAB, it shows the contents below:

### Simulink Real-Time Test Suite

### Host-Target interface is: TcpIp

### Test 1, Ping target computer 'TargetPC1' using system ping: ... FAILED

### Test 2, Ping target computer 'TargetPC1' using SLRTPINGTARGET: ... FAILED

Both system ping and target ping have failed.

There is a problem with your TCP/IP connection.

I don't know how to solve this problem, the host problem and the target computer are in the same LAN, connected by Router and Switch Hub.

The target computer properties:

IP address:192.168.1.161

Subnet mask:255.255.255.0

Port:22222

Gateway:192.168.1.1

Target driver:Auto

Bus type:PCI

The host computer properties:

IP address:192.168.1.136

Subnet mask:255.255.255.0

Gateway:192.168.1.1

Does anyone have any ideas for troubleshooting these connections? Is there any problems in my bios setup?

All help much appreciated.

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PengQilin PengQilin 2019-1-15

I have solved this problem！

I purchase a new Intel210 ethernet card and installed it into my target computer, the target computer boot successfully. So the reason is that the 64-bit CPU can't work with 32-bit network card in the xpc target environment.

I type "slrttest" in the command window of MATLAB in the host computer, all tests are successfully executed.

Thank you all!

Dimitri MANKOV 2020-10-29

Please also note that support for custom target hardware has been removed in Simulink Real-Time in R2018a. Starting from that release, only Speedgoat target machines are officially supported.

For more information, have a look at www.speedgoat.com and at the Release Notes for Simulink Real-Time.

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