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Computer Ping Problem

nLinked

Member
This problem only occurs with one computer on my network.

I have three PCs: PC1, PC2, and PC3.

PC1 can ping PC3.
PC3 can ping PC1.
PC2 can ping PC1 and PC3.

But neither PC1 nor PC3 are able to ping PC2, unless I make PC2 ping PC1/PC3 first.

In other words, I have to send a ping to PC1 from PC2 first, before PC1 is able to ping PC2.
Likewise, I have to send a ping to PC3 from PC2 first, before PC3 is able to ping PC2.

Unless I ping from PC2 to any other PC first, I can't use network programs to get to PC2 until I do that.

All Windows and other firewall's are off.

What's wrong?
 
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