Tons of free online resources:
http://www.learntosubnet.com/
Also:
http://www.freesoft.org/CIE/Course/
--
Jason Roysdon, CCNP/CCDP, MCSE, CNA, Network+, A+
List email: [EMAIL PROTECTED]
Homepage: http://jason.artoo.net/
Cisco resources: http://r2cisco.artoo.net/
"Ole Drews Jensen" <[EMAIL PROTECTED]> wrote in message
2019FB428FD3D311893700508B71EBFB4D3FED@RWR_MAIL_SVR">news:2019FB428FD3D311893700508B71EBFB4D3FED@RWR_MAIL_SVR...
> Hmm, you would be better of getting a book which explains the basics of IP
> addressing, but let me see if I can explain it a little for you.
>
> I do not know how much you know about the classes, but 130.5.0.0 is a
class
> B because the two first bit's in the first octet starts with 10. - 130 is
> 10000001 in binary.
>
> So in a class B network you now know that it starts with 10 and the
network
> uses 2 octets, so you have the following networks available as class B :
> 10000000.00000000 thru 10111111.11111111 or 128.0.x.x thru 191.255.x.x, so
> where the 5 comes from in 130.5.0.0 is just whatever class B address is
> available in that scope - this could have been 156.17.0.0 instead.
>
> Lets say that you get the 130.5.0.0 network from your isp, you would then
> have 65534 (2^16 minus 2) available addresses for devices on your network.
> That's a lot, so if you have a number of departments in your company you
> wish to isolate on the network, you can split the network up in subnets,
> based on how many subnets you want, and how many hosts you need on the
> biggest subnet.
>
> For example, if you choose to use the third octet for subnetting, you can
> have 256 networks with 254 (256-2) hosts on each. That way 130.5.11.120
> could be a workstation on network 130.5.11.0 and 130.5.28.39 could be a
> printer on network 130.5.28.0.
>
> The way you would specify that subnet scenario would be by using the
subnet
> mask 255.255.255.0.
>
> The 130.5.x.x now changes to 130.5.0.x (or 130.5.1.x, 130.5.2.x, etc.)
>
> If you are still confused, I would recommend that you read a book about
it,
> because you really need to know the basics and up to be comfortable
messing
> with it.
>
> A book like Todd Lammle's CCNA study guide for exam 640-507 has a pretty
> good explanation about all this, and if you choose to read the entire book
> and follow all the examples and practise it on a couple of Cisco routers,
> you would find yourself a lot smarter, and you could even be smart enough
to
> try the CCNA exam and get certified.
>
> Anyway, there's a LOT of books out there with good TCP/IP explanations in
> them, so what I would do if I was you, would be to follow these steps:
>
> 1) Click here http://www.groupstudy.com/bookstore/index.html
> 2) Look at the books and click on any of them to jump to Amazon.com
> (this is important so they can see that you came from groupstudy)
> 3) Search for books about tcp/ip or ccna
> 4) Read the reviews - I would not choose any books with less than 4 stars
> 5) When you have found a book you would like to buy, copy the ISBN number
> 6) Go to http://www.booksamillion.com and choose search for ISBN and paste
> the number
> 7) Most of the times, you can find the same book there cheaper than
> Amazon.com
> 8) Buy the book and sign up for a years membership for only $5.- which you
> will save right away
> 9) When you receive the book - read it.
>
> Hth,
>
> Ole
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> http://www.oledrews.com/ccnp
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> NEED A JOB ???
> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
>
>
> -----Original Message-----
> From: Paver, Charles [mailto:[EMAIL PROTECTED]]
> Sent: Monday, January 15, 2001 3:15 PM
> To: '[EMAIL PROTECTED]'
> Subject: subnetting and tcp/ip
>
>
> Am studying tcp/ip now, and have a couple of questions (believe me, this
is
> the basics for you guys!) Im reading a tutorial on the web, and still am
a
> little confused. I need someone to go line by line with me, please! In
> return, Ill give you a cookie :> Take the following:
>
> 1. I have a network, ip address 130.5.0.0 (why is it 0.0)? Do all
network
> #s end in 0? And for Class B to have the network address, must it be
> x.x.0.0? Cant I have something like 172.5.5.0? I understand 130, for
class
> b, but where did they get 5 from?
>
> 2. Next I have the list of ips on my network, per pc (or device). Such
as
> :
>
> 130.5.32.0
> 130.5.64.0
> 130.5.160.0
> 130.5.224.0
>
> So, are they on the same network or not? I know that each pc must have
its
> unique host--I dont want you guys to think Im that basic with this; yes Im
> weak, but I do know that with class b its network.network.host.host--> So,
> the host id seems to be on the same network while the host is having a
> dfferent id. I just get confused when I read a class B and think, which
> parameter has to be changed? The 3rd octect ONLY or the 4th as well.
>
> _________________________________
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