Help to desgin my network

  • BlueHat
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Post 3+ Months Ago

Today i just received my DSL modem, i have three PCS, one will be the server and the other two will be clients.

at the beginning i have connected my DSL with one of My PC winXP, not the server, and every thing went perfect(I did this for test, but my issue is to connect the DSL modem to my server), then when i removed the wire to connect it to my server, i got the following error, the ip could not be obtain from DHCP window will assign you with an ip address but i wont be able to search the net with this IP.

any support Please, its my first day and i have know idea:

Thanks.
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Post 3+ Months Ago

  • BlueHat
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Post 3+ Months Ago

As i mentioned before i have three PCs one will be the server ( window 2003 server )and the other two will be as a clients, for me this how i thought about it:

1. connect my DSL modem to my server ( to One of my ethernet card)
2. then connect my hub with another cable that comes out of my second ethernet card which is located at my server. and from the hub i will split two cables to go to each one of my other two PCs.

i don't know if its going to work or know?
if any one has a better idea please let me know, and please let me know if the above method is correct or no.

Thanks. allot
  • Axe
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Post 3+ Months Ago

Unplug your DSL modem from the power. Turn off your PC.

Plug your DSL modem back in, turn on your PC.

I don't know 'bout DSL modems, but our cablemodem stores the MAC address of the network cards. If i want to disconnect a PC, and hook up a different one, I have to unplug the cablemodem to get it to see the MAC address of the new network card and assign it an IP address.
  • Axe
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Post 3+ Months Ago

Yeah that'll work, but you'll need to setup Internet Connection Sharing, or some other proxy software on the server (the machine with two NICs).

It's probably simpler to just spend $50 and get a cheap router.
  • BlueHat
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Post 3+ Months Ago

i did what u told me to do, i unpluged the cable modem i switch off the modem and shut down the pc, and then restart it, nothing happened.

by the way when i ping i do get this
ip 169.254.91.139
subnet mask 255.155.0.0
default gateway --- nothing here

is this related to what u explained to me.
  • BlueHat
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Post 3+ Months Ago

Thanks for the support Axe.
  • ATNO/TW
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Post 3+ Months Ago

Follow these instructions
http://www.practicallynetworked.com/sharing/xp_ics/
  • ATNO/TW
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Post 3+ Months Ago

BlueHat - I'm fairly certain you've been asked in the past not to start new posts on the same topic. I combined the two.
  • joebert
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Post 3+ Months Ago

Axe wrote:
Yeah that'll work, but you'll need to setup Internet Connection Sharing, or some other proxy software on the server (the machine with two NICs).

It's probably simpler to just spend $50 and get a cheap router.


I agree with AXE, without a router you have to buy 2 nics for every new PC you want to add to the network. A router takes a little stress off the server as well. God forbid the server gets a virus or somthing, then your totaly wiped offline untill you either take the time to hook one of the other comps up, or fix the server.
  • Axe
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Post 3+ Months Ago

Well, not really, you'd only need 2 NICs in one of the PCs...

Basically...

DSL Modem -> Nic1 on PC1 with a public IP address

Nic2 on PC1 goes to a hub or switch with LAN IP address.

Hub or switch goes to other PCs with their own LAN IP addresses.

Setup a proxy or something like WinGate or Squid or whatever on PC1, then have all the others route through that.

But, it's much easier with a router :D
  • BlueHat
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Post 3+ Months Ago

ATNO/TW wrote:
BlueHat - I'm fairly certain you've been asked in the past not to start new posts on the same topic. I combined the two.


I think thats not true, i had two different topic, and actually i thought of that, but i realized that they are two different topics:
1.design my Lan or network.
2. i had problem with my modem(DSL).
i think they are not related.
and when i put them separately is to help the reader understand what the topic is.
u might realize that i might posted them in same time, maybe that what made u think that they are related. including that i didnt want to confuse both of the topics.

but any way. i will make sure to avoid it in the future.


Thanks
  • joebert
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Post 3+ Months Ago

:oops: I was under the impresion that his server was going to act as the hub/switch, hence my 2nics per pc comment.
  • BlueHat
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Post 3+ Months Ago

Thanks for the support, every thing has been planned and solved.
  • Axe
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Post 3+ Months Ago

joebert wrote:
:oops: I was under the impresion that his server was going to act as the hub/switch, hence my 2nics per pc comment.


I still don't get the 2 nics per pc... It'd be 1 nic per PC, and a lotta NICs in the server, with a bunch of crossover cables (without actually spending the $10-30 for a basic switch/hub) :D

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