SMC Barricade 4 PORT DSL/Cable Modem - static IP vs DHCP??

Ender510

Golden Member
Sep 3, 2000
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I would like to have my web server maintain a static IP and the rest (2 other computers) have DHCP and assigned IPs from the SMC router.. how do I set this up? If the machine that has the static assigned to it, will the barricade only assign the computers that have DHCP enabled IP's?

Also, is there anyway to make it random and not automatically give the same IPs to the other computers?
 

tubes

Junior Member
Jun 4, 2001
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I believe your choice is either static or DHCP with no combinations allowed. You could set your web server as static and use it to assign IPs to your other two and share that way but it will depend on your OS and availability of spots for the extra NICs. If protection is what you are looking for it would be easier to map ports to only your web server and the other two should be relatively invisible from the outside.

DHCP on the Barricade always seems to assign the same numbers which actually works to your advantage if you are doing port mapping.

Good Luck
 

slipperyslope

Banned
Oct 10, 1999
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tubes,

You are incorrect. He can have static IPs and DHCP IP on the same network.

Here is what I would suggest doing. Enable DHCP on the router. Have your web server obtain an IP via DHCP. After that take all the information down and change the web server static ip with all the information you wrote down. ie. IP ADDRESS, GATEWAY, DNS SERVERS, SUBNET MASK. After that just set the other two machine to obtain the their ip and the router will assign them an IP that does not exist on the network. Now enable a Virtual Server. Choose HTTP at the bottom and fill in the IP address of your static machine.

Jim
 

CQuinn

Golden Member
May 31, 2000
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Also, you can change the range the SMC uses for assigning IPs thru DHCP, to
give you more room for assigning static IPs. You cannot assign an IP as
static if it is covered in the DHCP pool.
 

slipperyslope

Banned
Oct 10, 1999
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CQuinn,

Yes you can. I sitting here looking at a network setup that way. It is not the best when doing large scale networks because the router "might" assign the IP you have setup as a static ip but it will correct itself when the computer rerequests an IP because the ip given out is already taken. If you want to avoid the problem then you can just change the pooling range like mentioned but it doesn't really matter for a 3 computer network.

Jim
 

Ender510

Golden Member
Sep 3, 2000
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Here is what I plan on my setup:
Mandrake Linux Server - Web,Mail,FTP, Database Server (running apache, php, mySQL, etc.)
winME client machine to serve, browse the internet, gameplay, etc.
winME client machine to only use the internet
Linux Machine to learn tools, etc.

That is my purpose for all these.. so basically, what should I do? Should I just set up a static IP on the linux server and not include that IP in the range for the SMC router to not dish out?

Also, down the line if I want more than 4 machines.. and i only have a 4 ports in the SMC, what do i do? I have a netgear 10/100 4 port hub w/ an uplink port as well. How do I hook this up to the SMC Barricade?

Thanks for all the help guys..
 

JackMDS

Elite Member
Super Moderator
Oct 25, 1999
29,545
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Yeah you can use any additional switch, and plug it to one of the barricade ports.

It does not matter if you have Uplink or not. You have to use the right Cable. Uplink is a NIC port on a Hub/Switch.


NIC to NIC - Crossover Cable.
NIC to Hub - Straight (regular) Cable
NIC to Uplink - Crossover Cable.

Hub (regular) to Hub (regular) - Crossover Cable.
Hub (regular) to Hub Uplink - Straight (regular) Cable.
 

Ender510

Golden Member
Sep 3, 2000
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So given this situation:

SMC DSL/Cable Router with 4 ports
PORT 1: Linux Server
PORT 2: win98 client
PORT 3: linux client
PORT 4: cable to the Netgear 4 Port Hub

Netgear 4 Port Hub
Port 1: win98 client
Port 2: win98 client

Question: Will the clients on the netgear hub receive packtes and send packets to the internet slower than the ones on the SMC router? How significant wil it be? Also, as for IP assigning and such, will the SMC Barricade DHCP also assign IP's to the clients on the netgear hub? Thx again..
 

Frosty20

Member
Jan 9, 2001
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Will the clients on the netgear hub receive packtes and send packets to the internet slower than the ones on the SMC router?

No because your cable modem speed is the limiting factor. (Cable= ~1.5 Mbps, Fast Ethernet=100Mbps)

Also, as for IP assigning and such, will the SMC Barricade DHCP also assign IP's to the clients on the netgear hub?

It should have no problem seeing them and thus no problem assigning an IP to them.
 

Beeker25

Senior member
May 28, 2000
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I have a similar but differant problem with Static IP addresses and a SMC 8port Router. I have 5 systems and I now have 5 static IP addresses from Ameritech DSL, 1 for each system. The SMC 8port cannot disable NAT, will I neeed to use my SMC 8port AutoSwitch to assign all of my systems their own static IP addresses, or is their anyway that I can assign each system thier own static IP address from Ameritech through the Router and stay behind the hrdware firewall, otherwise I will be using Norton Firewall. I will have 2-3 servers running.
 

tubes

Junior Member
Jun 4, 2001
11
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Good Morning All

I stand corrected, slipperyslope. If I understand you correctly, the router is still doing DHCP and the server is "claiming" a static IP. A very nice way of making it work. I never thought of that.