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TCP send and receive

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I am writing two programs(server, client). They communicates though TCP.

 

[Operation]

1. Client sends "ABC" to server.

2. Server receive "ABC" from client

3. If server received "ABC", server sends "DEF"

4. Client receive "DEF"

 

1 and 2 operation work fine. But 3 ~ 4 don't work.

 

I followed this guide(https://www.ni.com/ko-kr/support/documentation/supplemental/06/basic-tcp-ip-communication-in-labview...)

 

client.vi

-> 

shlee11_1-1656393377524.png

 

server.vi

-> 

shlee11_2-1656393393546.png

 

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Solution
Accepted by topic author shlee11

after changing setting, it works fine.

 

tool - option - VI server - ...

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