sonic wall networking issues

have earthlink t1 line going to wan port on an unregistered sonic wall box (see enclosed picture of setup).  have some earthlink usb looking device in the side of the sonic wall. have the lan port going to a netgear prosafe 24 port switch and then to an intellelinet device.  from the netgear switch there is a line (port 21) going to a pc with a gateway of 10.0.1.1 and an ip of 10.0.1.1 and two lines going to pcs with  gateways of 10.0.100.235 and ips of 10.0.100.100 and 10.0.100.101.  not sure about the other connections but there is a pos system connected through these devices as well.  the 10.0.100.235 is the gateway to the pos system.

how can we get all three pcs to share a printer and folder with each other even though one is for some reason assigned a different gateway?  the pc on the 10.0.1.1 line has a printer connected to it via usb and we would like to print to it from the 10.0.100.100 & 101 computers but it is not found when searching for network printers :-(.  is this a sonic wall rule issue or a reconfigure network issue?

any answers to this mess?  :-(  thank you
network-mess.jpg
StewartGilliganAsked:
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N-WCommented:
Are you able to login to the Sonicwall and determine if it is assigned the IPs 10.0.1.1 and/or 10.0.100.235? If it holds both addresses, it will just be a matter of configuring the Sonicwall to allow the network sharing access.

Otherwise we'll need to identify what other device is acting as a default gateway. What is the model of the Netgear switch? It may be a layer 3 switch and configured to route traffic.
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StewartGilliganAuthor Commented:
netgear is a prosafe 24 port 10/100 switch and here is a snapshot of the sonic wall.  I don't see mention of 10.0.1.1 anywhere :-(  let me know if you need other sonic wall info.  thanks so much
sonicwall.pdf
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N-WCommented:
Yes, it doesn't look as though the Sonicwall is the default gateway 10.0.1.1.

Are you able to web browse to a management page on 10.0.1.1? Try HTTP and HTTPS. Also try telnet/SSH.
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StewartGilliganAuthor Commented:
nothing comes up with 10.0.1.1 http or https but it did show a search history and two links are of interest (appears it is connecting via some apple airport extreme device?)
http://compnetworking.about.com/od/routers/g/10_0_0_1_def.htm
and
https://discussions.apple.com/thread/1733481?start=0&tstart=0
ps  I was told there are two airport extreme devices sending extended wifi throughout the building...
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N-WCommented:
The 10.0.1.1 address could be assigned to any device, but that doesn't rule out it being an airport extreme.

Are you able to determine the MAC address of the 10.0.1.1 device? This can assist determining which device it is. Run this command from the PC with the default gateway of 10.0.1.1:
arp -a

Open in new window

You may need to ping 10.0.1.1 before running the command for the host to show up.

Are the airport extremes connected to the Netgear switch too?
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StewartGilliganAuthor Commented:
pings fine.  mac address 90-72-40-03-ce-27 dynamic  
thanks
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N-WCommented:
OK, so that MAC address is for an Apple device.

At this point, you'll need to use Apple's airport utility to change settings on the device and figure out how it's connected. The airport utility is built into OS X or you can download it separately for Windows.

Another option would be to reconfigure the PC with default gateway of 10.0.100.235 and an IP starting with 10.0.100.x. This may allow you to bypass the airport extreme altogether, just make sure the PC doesn't have a need to be connected to the airport extreme first.
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StewartGilliganAuthor Commented:
thanks so much.  I like the change gateway to 10.0.100.235 idea.  ill try it tomorrow.  just right click the Ethernet properties and change the values in the internet protocol?  thanks, you rock!
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N-WCommented:
You're welcome. Yes, that sounds right. Let us know if you have any issues with it.
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StewartGilliganAuthor Commented:
thanks so much
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