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SBC Caymen + static IP + wireless

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SBC Caymen + static IP + wireless Networking Help forum discussing issues such as routers, switches, small networks, file sharing etc. Find information for both wired and wireless networks.

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  #1  
Old May 18th, 2004, 08:29 AM
SQLImpaired SQLImpaired is offline
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SBC Caymen + static IP + wireless
I got this question via a PM but wanted to post it just in case anyone else needed the info or in case anyone can add to it:

Quote:
Originally Posted by psargent
If you could help me out it would be much appreciated. Tell me what in the hell do I need to do in order to get my Netopia Cayman Series DSL modem with a static IP to work with my wireless router. I have connectivity with the modem connected to the computer but when I go through the wireless router its gone. What are the appropriate settings? I must be overlooking something very simple.

Patrick


The setup I use is pretty basic; I have 5 static IP's through an SBC-provided Cayman router. I also have a clearance-rack wireless SMC Barricade with VERY few features (no real routing features to speak of) but wanted to use it for my laptop and needed the laptop to access my music & documents on one of the static IP machines.

The setup:

Code:
(cloud) --> 
Cayman --> 
hub/switch 
 	--> PC1 = 192.168.1.w / 68.22.0.w **
 	--> PC2 = 192.168.1.x / 68.22.0.x **
 	--> PC3 = 192.168.1.y / 68.22.0.y **
	--> SMC Barricade = 192.168.1.z / 68.22.0.z **
		--> Laptop (Wireless) = DHCP w/ 192.168.2.z as gateway ***
		--> Old Apple (Wired) = DHCP w/ 192.168.2.z as gateway ***
		
** = IPMaps in Cayman config
*** = Wireless router internal IP


Note: If you use this config make sure your wireless router uses a different IP range for DHCP. Mine for instance gives out IPs in the 192.168.2.x range but has it's own "external" IP set to a static 192.168.1.z

This config gives the Laptop & Apple Net access as well as network access to the shares I have on PC's 1, 2 & 3

BTW, I'm no great shakes at netoworking but it works fine for me. I would of course welcome any suggestions from those who have a better skill set than mine
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Last edited by SQLImpaired : May 18th, 2004 at 10:55 AM.
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  #2  
Old May 18th, 2004, 09:13 AM
SQLImpaired SQLImpaired is offline
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Forgot to mention
Oh yeah, almost forgot...

When you're setting up your wireless router you need to:
1) Set it's gateway to the IP of your Cayman
2) Set your nameservers to those provided by SBC

...Sorry for the delay in posting this - it's been a while since I did the setup here.
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Old May 18th, 2004, 11:53 AM
juniperr juniperr is offline
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could have just set the caimen up as a bridge.
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Old May 18th, 2004, 12:50 PM
SQLImpaired SQLImpaired is offline
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juniperr,

Thanks for the reply. Admittedly my experience in networking's pretty limited - is there an existing thread or possibly a link you can point me too on this? The approach I used wasn't hard to set up, but I'm all for learning easier / better ways
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Old May 18th, 2004, 02:59 PM
juniperr juniperr is offline
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when in the gui of the caimen go to the bridging link and click help, bridging basicly makes it a layer2 device with no routing IP traffic will pass right through it the IP address you give it is just for management.

Ive also set these up for PPPoE on the outside interface and put the first static address on the inside interface with NAT and DHCP turned off so I could put a pix (doing NAT/PAT for private network) and servers behind it with public addresses on same network using the rest of my 5 static addresses.
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Old May 18th, 2004, 04:20 PM
SQLImpaired SQLImpaired is offline
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Ah - got it. Yes, I did look over the bridging option but my cheap-o SMC doesn't support routing. One of these days I'll upgrade to 11g and go that route but for now what I have does what I need (on the cheap).

But yes you're right - for people running a router with better features bridging would be a much easier way.

Thanks for the reply and the explanation
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