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I am trying to connect to a Lantronix Ethernet to serial module. I can find the IP address of the module, but I cannot see the IP addresses below that.

Using C# .NET application...

I can connect if I hard code the sub IP address.

It's a simple network...PC connected directly to the module.

I'm relatively new to TCP/IP so be gentle...

What I have tried:

IPHostEntry ipHost = Dns.GetHostEntry(Dns.GetHostName());
Shows the LAN address, but IPHostEntry ipHost = Dns.GetHostEntry(ipHost.AddressList[8]) is rejected by the module.
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[no name] 8-Mar-23 13:26pm    
use 'ARP' cache, you'll get all IPs record on LAN.
Member 15945478 8-Mar-23 13:36pm    
I've tried that. ARP only shows the main LAN address. It does not show any sub IP addresses on that LAN.
[no name] 8-Mar-23 14:22pm    
What is a "serial module"? Your "gateway" may not be smart enough to handle your requests.

1 solution

We are using the Lantronix Xport that provides Ethernet to serial that connects to our microcontroller. It is supposed to be TCP/IP compliant.
 
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