Networking 101 - Revision history

Admin at 13:56, 7 February 2017

2017-02-07T13:56:23Z

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Admin at 13:44, 7 February 2017

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2017-02-07T13:42:26Z

← Older revision		Revision as of 13:56, 7 February 2017
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−	'''~~with~~ thanks to frederic'''	+	'''(With thanks to frederic)'''

	== '''Overview''' ==		== '''Overview''' ==

← Older revision		Revision as of 13:56, 7 February 2017
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−	'''~~authored by~~ frederic'''	+	'''with thanks to frederic'''

	== '''Overview''' ==		== '''Overview''' ==

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 DirkNirkle asked me write something about networks, kind of a 101 class in a sense. I’ll cover the basics of networking, subnetting and IP addressing, and share my opinion as to why separating your Christmas lighting network from your main network might be a good idea.
 == '''Analogy''' ==
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 A local area network (LAN) is the network within our house, and a wide area network (WAN) is the network our personal network within our house connects to in order to access the rest of the world.
 == '''Addressing & Subnetting''' ==
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 The green lines represent your local area network (private) and the red line represents the public connection you have to your ISP.
 == '''Isolation of Christmas Network ''' ==

← Older revision		Revision as of 13:50, 7 February 2017
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−	'''by frederic'''	+	'''authored by frederic'''

	== '''Overview''' ==		== '''Overview''' ==

← Older revision		Revision as of 13:50, 7 February 2017
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		+	'''by frederic'''

	== '''Overview''' ==		== '''Overview''' ==

@@ Line 1: / Line 1: @@
 '''Overview'''
 DirkNirkle asked me write something about networks, kind of a 101 class in a sense. I’ll cover the basics of networking, subnetting and IP addressing, and share my opinion as to why separating your Christmas lighting network from your main network might be a good idea.
 '''Analogy'''
 Picture all of us standing in Dirk’s living room with drinks in hand talking about Christmas lights or football or politics or our kids. Dirk, being an observant host, noticed Jchuchla’s cup is almost empty so from across the room Dirk cups his hands around his mouth and faces Jchuchla, yells “Hey Jon, want a refill?” Jon turns his head towards Dirk and yells back, “Yeah, that would be great!”
@@ Line 20: / Line 22: @@
 A local area network (LAN) is the network within our house, and a wide area network (WAN) is the network our personal network within our house connects to in order to access the rest of the world.
 '''Addressing & Subnetting'''
 Everything on a network must have an address, and we mostly use an addressing scheme called IP4, which means each address is comprised of four numbers, each with a range of 0-255. They’re called octets because they only go from 0-255. Why? 8 bits. If you convert 0 to 8-bit binary it’s 00000000 and if you convert 255 to binary it’s 11111111. This binary conversion is important.
@@ Line 79: / Line 82: @@
 The green lines represent your local area network (private) and the red line represents the public connection you have to your ISP.
 '''Isolation of Christmas Network '''
 There are two potential problems with doing the above as described however: the potential of bandwidth limitations (data clogs) and security.

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 Click image for larger version.
-[[File:Nw4.png |600px|center]]
+[[File:Nw4.png |center|600px]]
 The IP addresses in the diagram are typical and yours might be different.
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 Click image for larger version.
-[[File:Nw5.png |600px |center]]
+[[File:Nw5.png |center|600px]]
 This diagram looks a lot like the first one, with the addition of a router/firewall appliance forming another network. As before, the red line is the public connection to your ISP, the green is your private network. The blue lines represents your “Christmas network”.