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Old 04-21-2011, 04:31 PM   #1
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[SOLVED] Help - networking small office issues

I'm trying to network a small office and have the following devices:

SMCD3G Cable Modem
Belkin Play N600 Router
Digi Mil-H1130 8 Port Ethernet SOHO Hub
Hubbel Cat5 Patch Panel (goes up to 12)

We're replacing our DSL line with a Cable line. Our DSL was a one piece wireless router/modem. When it was installed, it was inside our office, next to the server, and plugged into Wall Jack 1 for all the other computers to connect to. Our server plugged into this modem/router. We didn't have the Belkin Router at the time. The Patch Panel wires went into the Hub behind our office and everything was fine.

The cable modem is now next to the Hub and Patch Panel. I bought the router since we didn't have the wireless feature that the DSL had and everyone I spoke to said I need a router to set up the office. I ran one of the LAN lines from the modem into the Router where it says Modem (WAN). From the Router, I ran the line 1 (LAN) into the Hub. (Does the number matter if nothing is plugged into it in our office?) No computer is able to connect to the internet except my laptop which connects wireless. It works fine.

Another problem. We have a server computer that's Unix based. In order for anyone to connect to the server to access the office software used, the IP address of the router must be 192.9.2.1 or the computer your using won't connect via Multiview 2000 Terminal Emulator. I can't connect to the server because the IP address of the router is still 192.168.2.1. I don't know where I have to go in the router settings to change it. I've tried a few spots and it tells me the IP address is invalid.

The settings I had with the DSL modem/router were:
Modem IP address - 192.9.2.1
Subnet Mask - 255.255.255.0
DHCP Start Address - 192.9.2.100
DHCP End Address - 192.9.2.150

What am I doing wrong? I'm not a network guy and the people I know that are can't get here for some time. It's not like I need to run wires. Everything is set. If something is plugged into a wrong spot, I can switch it.

Additional info:
There are 4 computers in the office and 8 numbered wall jacks.
Server computer - Wall jack 8 (IP address of this machine - 192.9.2.25)
XP Machine 1 - Wall jack 4 (can't connect to server! No internet.)
XP Machine 2 - Wall jack 1 (Is able to connect to the server! No internet.)
Win CE Machine - Wall jack 9 - I assume. I have a wire that goes through the wall on this machine and it isn't marked. (Rarely used so not sure about server connection)
Wireless Windows7 laptop - connects to the internet fine since it bypasses all these wires. Can't connect to server.

I've posted this on another forum with no great help. Here's some more info....

Under the DHCP client list, only 2 computers are listed. The one that has internet is my computer. The other computer listed is wall jack 4 and that has internet now.

my computer - 192.9.2.2
wall jack 4 - 192.9.2.3

Keep in mind, I'm not a network guy so maybe I'm looking at the wrong thing.

The router IP is 192.168.2.1 and the Cable Modem is 10.1.10.11. I don't know if that helps. If I type either number into my web browser it will take me to the router setup page. Like I said, I'm clueless with this so I don't know where/how to check if it's only one device acting as DHCP.

What I want to do is be able to get online with all the computers as well as have access to the software on the server through the office wall jacks. In order to do that I need the router IP address to be 192.9.2.1 and then I'd be able to connect to it.

Right now, one computer is able to connect to the server via hard wire but can't connect to the internet.
Another computer is able to connect to the internet via hard wire but can't connect to the server.
My laptop can connect wireless to the internet but not the server.

In a perferct world, all the computers should be able to connect to both the internet and the server. Right now, it's one or the other with both hard wired machines and I don't know why. Is there a wire not in the hub right? Is a patch panel wire plugged into the wrong port of the hub? I don't know what's supposed to go where.

If someone could tell me "wire X from the modem goes to Port Z of the router, and Wire Y from the the router goes to number V on the Hub, and that wire goes to number T on the patch panel for the Port number R in the office to work..." I'll try it.

Then I think all I need to do is change the router's IP address to 192.9.2.1 and everyone should be able to connect to the server through the Multiview 2000 Terminal Emulator.

When I tried to change the IP address on the router it's telling me it's not valid. Under LAN settings it says 192.168.2.1 - when I try to change it to 192.9.2.1 it tells me LAN IP address is invalid. I clicked on More Info below that in the router page and a pop up gives me info. It says:

The "IP address" is the Internal IP address of the Router. To access the advanced setupinterface, type this IP address into the address bar of your browser. This address can be changed if needed. To Change the IP address, type in the new IP address and click "ApplyChanges". The IP address you choose should be a non-routable IP. Examples of a non-routable IP are: 192.168.y.x (where y is anything between 0 and 255, and x is anything between 1 and 254.)
10.y.y.x (where y is anything between 0 and 255, and x is anything between 1 and 254.)
172.z.y.x (where z is anything from 16 to 31, and y is anything between 0 and 255, and x is anything between 1 and 254.)

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Old 04-21-2011, 06:13 PM   #2
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Re: Help - networking small office issues

To answer the question about not being able to change your Belkin router's IP address, you might want to look at this real quick: http://www.mtmnet.com/PDF_FILES/NonR...Paddresses.PDF Basically there are certain IP addresses that are set aside specifically for internal networks that will not be routed to through the Internet. I'm guessing that the 192.9.2.1 (which is owned by Sun Microsystems - DNS Lookup: whois.192.9.2.1) was the IP address of your former DSL connection and since you had a DSL Modem/Router combination, that is why you were able to have computers in the 192.9.2.x range on your network.

I'm thinking that the reason why you cannot access the Internet on a few of your computers is because they might still have a static IP address assigned to them, so they are trying to use an IP address of 192.9.2.x with your new router that only allows for local IP addresses of 192.168.1.x. So you should either assigned a new static IP address to those computers in the correct range (192.168.1.x) or use DHCP to have them automatically get IP addresses.

Also, if you assigned a new IP address to your server in the 192.168.1.x range, then I would think you should be able to connect both to your server and the Internet from all computers on the LAN. You might need to configure something on your server to look for 192.168.1.1 as the router (default gateway) instead 192.9.2.1.

Hopefully that helps at least some, let me know if you have any questions/corrections about what I mentioned.

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Old 04-23-2011, 10:00 AM   #3
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Re: Help - networking small office issues

I called Belkin. Their router doesn't allow you to change 192.168 of the ip address. Those two numbers have to be 192.168. So now I'm going to see if my Netgear router at home will let me change it's IP address to 192.9.2.1 and then I'll bring the Belkin to my house since I don't care about the IP address it gets at home.
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Old 04-27-2011, 01:28 PM   #4
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Re: Help - networking small office issues

I was able to go into the Unix server through root -> netconfig
There I selected the TCP/IP of the network card and changed the IP address to 192.168.2.25
I then set all the PC's to obtain an IP addres automatically and everything is working now.
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Old 04-28-2011, 01:54 PM   #5
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Re: Help - networking small office issues

Cool, glad you got everything working!

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