Modem > Switch > Router

pg021988

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Jan 22, 2014
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I have a Modem that is connected to a gigabit switch for my gaming and personal network. Mainly for watching movies on my TV from my computer. That is also connected to a wireless router for the rest of my apartment. The router is 10/100 which is why I would like to put the switch first, so nothing directly plugged into my network gets bottle-necked. However, the wireless is working fine but everything plugged directly in does not seem to want to work. Any suggestions on how I can fix this?
 
Solution
You cannot put a switch between your modem and router and get an ip address that will allow you to get to the internet. You will have to plug into your router. If you want Gigabit speeds on your internal LAN you will need a new router, or put your switch behind the router and hook your stuff up that way.

USAFRet

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Definitions need to be addressed here.

"I have a Modem"
"that is connected to a gigabit switch"
"That is also connected to a wireless router"


Your 'Modem'. Is that a Modem, or a modem+router+switch? How many ports are on the back? 1, or 5? What model is it?
If 1, then it is just a modem.
If 5, then it is a modem + router + switch.
 

pg021988

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Jan 22, 2014
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Modem = Motorola Surfboard SB6121
Switch = Trendnet TEG-85g
Wireless router = Trendnet TEW-731BR

My modem is simply a modem, the switch has 5 ports, the router has 5 as well.
Anything else?
 
You cannot put a switch between your modem and router and get an ip address that will allow you to get to the internet. You will have to plug into your router. If you want Gigabit speeds on your internal LAN you will need a new router, or put your switch behind the router and hook your stuff up that way.
 
Solution

pg021988

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What do you mean by putting the switch behind the router to get gigabit speeds?
 


Well your internet speed (I assume) is less than 100Mbit. So if you are needing more than 100Mbit on something it must be your internal LAN. Connect your switch to one of the LAN ports on your router and then connect everything you need to have Gigabit speeds to your switch.
To be honest, to stream video from your computer to a TV, you don't even need 100Mbit.
 

pg021988

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It wont bottle neck at 100 if i do that?
 
What are you worried will bottle neck? It is hard to tell what your talking about. Are you talking internet or device to device. Also how many wireless clients and wired clients do you have? If your talking internet, your bottle neck will be your internet speed itself (whatever speed package you have from your ISP). It is going to be 100Mbit or less. If your talking about another type bottle neck, then explain.
 

pg021988

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No, I'm not talking about the internet. I am talking about device to device. I have a desktop and a media center that communicate with each other so I can play movies on my tv. The movies lag out and get choppy due to the speed. I want the 1000 so i can transfer data smoothly between the two across the switch, not the 10/100 on the back of the wireless router. I do not want to place the wireless router before the switch, otherwise I will get bottle necked with the 10/100 speeds. Do you understand now?
 
I do but the 100Mbit is not the problem. We probably need to trouble shoot further. I run a Media Center server and have 4 TV's that use Xbox as an extender. 2 of my TV's share one 100Mbit connection. It is not a problem as the highest the HD signal will get from a Media Center Server is about 19Mbit. So even running 4 TV's off of one 100Mbit would not saturate the line. What devices are running wireless?
 
Also putting the switch before or behind the router has no bearing at all on your internal network. That would only affect your internet speeds (and only if your internet speed was more than 100Mbit). If your Computer, Media Center Server, and TV are all hooked to the Gigabit switch, then their traffic will not leave the Gigabit switch unless they need to get to the internet, or to a wireless client on your router.
 

pg021988

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Hmmm, that is good to know. It is nothing crazy, I have two phones and two laptops on the wireless. Two desktops, and an xbox hard-lined. I am using the Xbox as the media center. I have no idea why it is doing this. I thought it was because The data for the video was not transferring at high enough speeds. Apparently I was wrong.
 
No if your computers and Xbox are hard wired then speed is not your problem. If one was wireless then that could be an issue. Since that is not where the problem is then I may not be able to help. Especially if your Xbox is your media server. I have a computer that is running Media Center and that can be a problem if you have your computer doing too many things with a slow hard drive.