Routing question (I think) - TechRepublic
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October 15, 2005 at 10:47 AM
david.larsen

Routing question (I think)

by david.larsen . Updated 20 years, 9 months ago

I am having problems getting my two static IPs to “talk” to one another.

Overview:
I have two IPs that can access the Internet just fine. From another computer on the Internet, I can reach my IPs just fine. However, I can’t reach one IP from the other.

Details:
I’ve got my modem connected to a Netgear FS605 switch. I’ve got one line running to my router and another goes directly to a computer. The computers behind the router use NAT and can reach the Internet just fine. Same thing with the computer.

Now the computer that’s running directly off the router is running Windows 2K3. It’s at 68.183.13.64. My router is at 68.183.13.131.
I imagine you can browse to the simple dummy websites on both of those. (The 131 forwards port 80 to a local machine behind the router.)

I’ve done remote desktop to a system elsewhere on the net and they can get to those IPs just fine.
HOWEVER, I can’t connect from my “public” x.x.x.64 machine to my router (x.x.x.131) … and my machines behind the router that can access ALL of the internet just fine can’t seem to get anything through to my x.x.x.64 address.

My logic:
IP #1 can reach internet. Internet can reach IP #1.
IP #2 can reach internet. Internet can reach IP #2.
IP#1 should be able to reach IP #2.

Note: tracerts time out trying either direction.

Any ideas?

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