IP Confusion

The most basic answer that comes to mind would be that both your (the 192.16.1.x) subnet and this host's (the 192.168.10.x) subnet both terminate at a layer 3 switch that routes traffic between the two subnets. Do you have access to the host itself to examine the IP configuration? That will likely show you some information to reveal the reason you can access it.

Thanks for the quick response.

When you say access to the host, would that mean something special setup in the Dell Switches or the Sonicwal router?

Thank you again,

John

Either you're routed to that machine, or that machine has a second address (on the same NIC or a different one) that is on the 192.168.1.x network.

To my surprise, I'm able to reach this host.  How can his be.  It's on a different subnet. Please help me understand how this is working.

It shouldn't be that surprising. ;-)

I mean, Experts-Exchange is on a different network than you computer and you can reach that.

The fact that you have a default gateway defined is what allows you to reach hosts on non-local networks.

If you're saying that the 192.168.10.0 network isn't reachable by your default gateway, now that would be surprising.

Can you provide a diagram which shows where 192.168.10.10 device is (relative to the 192.168.1.18 device).

Can you provide a diagram which shows where 192.168.10.10 device is (relative to the 192.168.1.18 device).

The 192.168.10.10 host and my PC (192.168.1.60) are a few feet away from each other. I'll check in the Sonicwall. I'll bet there is a rule in there routing traffic to a separate ethernet port on it. X0, X1, etc.

Although ridiculous I know, if I were to shut off the sonicwall, do you believe this connection would still work?

Thank you,

John

If the routing takes place on the Sonicwall, and you shut off the Sonicwall, it will not work.

A great help!  Thank you both!