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UTM SG 115 won't connect to Internet

I have a brand new Sophos SG 115 appliance

 

The WAN interface connects directly to my Comcast cable modem and gets a DHCP address (I do not have a static IP address from Comcast).

My SG 115 uses the Internal IP of 192.168.2.1

IP settings on my computer are:
IP:  192.168.2.1
Netmask:  255.255.255.0
Gateway:  192.168.2.1
DNS:  192.168.2.1

Looks pretty straight forward.  However, I cannot connect to the Internet.  I can't bring up any website, ping anything, FTP anywhere...nothing.  I've restarted everything.  I've reset the Sophos to factory default at least 3x's already.  If I setup my older Linksys router onto my Comcast modem, it connects fine and I have Internet.  Disconnect that and hook up the Sophos and nothing.  I don't know my way around well enough in the Sophos to see what address it's getting from the Comcast modem, but I suspect it's the 192.168.0.3 (since 192.168.0.1 should be the gateway to the Comcast modem).  What am I doing wrong here?  What's going on?  See the screenshots below for my settings, which look pretty straight forward.

See the settings below:

 

 

And Internal:

 

 

LAN:



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