NAT- no route to host

L

lniebur

Registered
I am using en0 for LAN 10.0.0.0/8, and USB ethernet for 205.221.226.0/24 public network on an Intel iMac running Snow Leopard Server.

I have set up NAT and DHCP to provide private IPs to guests on my network. I am using many public IPs for my staff and servers.

I can ping from the server to my 10.0.0.0/8 devices, and 205.221.226.0/24 devices, including the gateway/router address 205.221.226.254 on my Layer 3 switch which provides Internet access for a number of VLANs.

When I try to ping beyond my public IP's, for example www.yahoo.com, I get a "no route to host" response.

Can you guess what needs to be done to allow me to get beyong my public IPs?

Thank you for any ideas that you can provide!
 
In the Network configuration in System Preferences on the Snow Leopard Server I moved the en2 USB interface to the top of the stack, and my routing worked. I didn't know that there was an interface ordering option, or that it made a difference.

en0 which is on my private IP LAN had been at the top of the list. en2 USB is on my public IP LAN, and is now at the top of the list.
 
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