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Steve
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Practice Subnetting

Thu Mar 25, 2010 8:37 pm

I have added a page to the site that should help folks practice their subnetting skills. Check it out here practicesubnetting.php. Let me know if you see any issues or have a suggestion.

If you bloggers would mention it in your blog and maybe provide a perma-link, that would be appreciated.

:cheers:

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networker050184
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Re: Practice Subnetting

Fri Mar 26, 2010 10:00 am

Nice work!

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Steve
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Re: Practice Subnetting

Fri Mar 26, 2010 10:01 am

Thank you.

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ristau5741
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Re: Practice Subnetting

Fri Mar 26, 2010 10:23 am

suggestion, use cider in the question, /i.e 192.168.1.23/28
provide the subnet in the answer i.e. 255.255.255.240

makes it a bit more complicated, but drives home the CIDR to subnet mask translation
which is an important thing to remember.

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hunter_thom
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Re: Practice Subnetting

Fri Mar 26, 2010 10:25 am

Looks great! Good call.

Yeah, my only thought would be (like ristau) to add the CIDR form. It would probably help newcomers make a 1-to-1 correlation between 255.255.255.252 and /30, for example.
http://projectportfolio.info/jhazen/

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Steve
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Re: Practice Subnetting

Fri Mar 26, 2010 10:26 am

ristau5741 wrote:suggestion, use cider in the question, /i.e 192.168.1.23/28
provide the subnet in the answer i.e. 255.255.255.240

makes it a bit more complicated, but drives home the CIDR to subnet mask translation
which is an important thing to remember.


Ok, Aubrey suggested that as well. I will get that implemented.

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Vito_Corleone
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Re: Practice Subnetting

Fri Mar 26, 2010 11:57 am

I linked earlier, forgot to post.
http://blog.alwaysthenetwork.com

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Re: Practice Subnetting

Fri Mar 26, 2010 5:06 pm

Linked as well.

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Steve
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Re: Practice Subnetting

Sun Mar 28, 2010 9:37 am

CIDR bits added and new step created in the 'Reveal The Work' section to help convert it. Anything else?

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Re: Practice Subnetting

Mon Mar 29, 2010 6:50 am

think you have just made me understand subnetting for the first time in 3 years

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Steve
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Re: Practice Subnetting

Mon Mar 29, 2010 9:09 am

cb3dwa wrote:think you have just made me understand subnetting for the first time in 3 years


That's great to hear, thank you.

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Re: Practice Subnetting

Thu Apr 15, 2010 3:51 am

why is there no /11 /21 built into this?

dave

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swagger
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Re: Practice Subnetting

Sat Apr 17, 2010 6:44 am

Thanks for implementing this Steve. I came across it by accident about 3 weeks ago but it looks great. When I first got into networking last August, I found subnettingquestions.com and was living by that for my subnetting practice but the one on this site is great as well. I really love the Reveal the Work option which should help subnetting newbs a lot!

Regards,
Keith

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swagger
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Re: Practice Subnetting

Sat Apr 17, 2010 7:47 am

Btw, any chance of adding Class A and Class B address questions? A bit more thinking involved with those as opposed to Class C where you are only playing with the last octet.

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mellowd
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Re: Practice Subnetting

Sat Apr 17, 2010 7:48 am

swagger wrote:Btw, any chance of adding Class A and Class B address questions? A bit more thinking involved with those as opposed to Class C where you are only playing with the last octet.



There is no such thing as class anything these days...

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swagger
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Re: Practice Subnetting

Sat Apr 17, 2010 7:49 am

I'm not sure I follow?

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Re: Practice Subnetting

Sat Apr 17, 2010 7:57 am

Everything is classless these days

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swagger
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Re: Practice Subnetting

Sat Apr 17, 2010 8:09 am

Gotcha. I guess not enough real world experience for me yet, still stuck in the books; wouldn't it still help to have 0-191.x.x.x addresses in the subnetting practice section so you have more bits to play with?

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Steve
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Re: Practice Subnetting

Sat Apr 17, 2010 9:10 am

I plan on writing the code to for /9 through /30 when I get some free time. Glad people are finding it useful.

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swagger
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Re: Practice Subnetting

Sat Apr 17, 2010 9:23 am

Thanks Steve ;)

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