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Standard User Growltiger
(learned) Fri 25-Jan-13 17:36:08
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Question about extending home network


[link to this post]
 
I have a question, but it needs some explanation before I ask it, so please read this intro first:

If I need a second wireless point in a house, I can use a Wireless Access Point or a second broadband router, configured to not provide DHCP. I've done this several times with success. But I have always had the wiring like this:

Main broadband router connected to phone line and connected to a Switch.
Cables from Switch to various other places.
Some of those places have PCs etc.
Some of those places have wireless routers, set appropriately.

Now for my question. In a simple setup without the need for an extensive network, does one need a switch? In other words will this work:

Main broadband router connected to phone line.
Cables from main router to various other places.
Some of those places have PCs etc.
Some of those places have wireless routers, set appropriately.

In other words can you connect router to router directly, or must one have a switch between?
Wouldn't this depend on whether the router can handle a reversed wiring on the cable?
Are they all clever enough to do that? e.g. BT routers?

Edited by Growltiger (Fri 25-Jan-13 18:25:10)

Administrator MrSaffron
(staff) Fri 25-Jan-13 17:51:27
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
The switch at the simplest explaination level is just like an extension socket, i.e. letting you plug multiple devices into one socket on the original router.

So if what you are doing when adding this extra wireless routers works, it will also work directly plugged into the main routers switch

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User chris6273
(committed) Fri 25-Jan-13 18:04:06
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
Judging by what you are asking, yes it should work.

-------------------------------------------------------------------
My Broadband Speed Test

Downstream Upstream
Connection Speed: 24276 kbps 1211 kbps
Line Attenuation: 16.0 db 6.4 db
Noise Margin: 1.1 db 6.2 db

Telewest (2004-2006): 256Kbps -> 512Kbps
BT (2006 - Present): 8128/448Kbps on 20CN Alcatel DSLAM -> 24276/1211Kbps on 21CN Huawei MSAN


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Standard User Growltiger
(learned) Fri 25-Jan-13 18:29:04
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Re: Question about extending hiome network


[re: MrSaffron] [link to this post]
 
Thanks. The reason I was worried was that I remember the days when people would sometimes connect two machines directly with an ethernet cable. This required a cable with some of the wires reversed, because ethernet cables are wired straight though, 1 to 1, 2 to 2 and so on. I even have a cable like that somewhere.

So connecting two routers together is equivalent, normally it is always router to PC.

So perhaps they are all clever enough nowadays to detect a reversed cable.

Edited by Growltiger (Fri 25-Jan-13 18:29:38)

Administrator MrSaffron
(staff) Fri 25-Jan-13 18:55:54
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
Reversed cable is an old thing, almost every ethernet port on a device or switch supports MDI-X so auto detects if a switch over is needed, hence why consumer switches don't have an uplink port anymore.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User Growltiger
(learned) Fri 25-Jan-13 19:20:44
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Re: Question about extending hiome network


[re: MrSaffron] [link to this post]
 
Exactly what I needed to know. Presumably that includes the BT broadband routers.

I've remembered the name of that cable - a crossover cable.
Moderator billford
(moderator) Fri 25-Jan-13 19:55:45
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
You can still get 'em if needed, as cables or adaptors- Amazon link

Bill
bill@thinkbroadband.com __________________Planes and Boats and ... __________________BQMs: IPv4 IPv6
The author of the above post is a thinkbroadband moderator but it does not constitute an official statement on behalf of thinkbroadband.
Administrator MrSaffron
(staff) Sat 26-Jan-13 10:32:58
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
Yeap includes them

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
Standard User Growltiger
(learned) Sat 26-Jan-13 10:43:40
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Re: Question about extending hiome network


[re: MrSaffron] [link to this post]
 
Thanks everyone.
Standard User ian72
(knowledge is power) Mon 28-Jan-13 11:33:10
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Re: Question about extending hiome network


[re: Growltiger] [link to this post]
 
I know it is already answered but a quick additional comment.

The router if it includes more than one ethernet port actually is a switch. Essentially it has a built in switch that is no different in reality to an external switch. So, even without the separate switch you are actually just connecting 2 switches to each other, it just happens those switches have some additional bits in them to make them routers as well.
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