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Subnet Mask

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Uploaded by on Oct 1, 2008

Basic explanation of what subnet mask are and how they work.

Category:

Education

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Standard YouTube License

  • likes, 9 dislikes

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Uploader Comments (cferguson0108)

  • really bad audio performance

  • Yeah that is what happens when you try to use the built in mic. I now have a headset, so if I do anymore I will use the headset and the audio should be better.

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All Comments (30)

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  • is he talking out of his butthole?

  • men you are cool but you had a one mistake ...

    A class adres ..starts from 0- 126 not from 0- 127

    Thats a big mistake Because

    127.0.0.0-127.255.255.254 it is a loob back adres

    and in ip sec we use only abc ip groups ...d is not in a use...

    Be carryfuuuuuuul

  • I cant fucken hear you

  • crap audio

  • what relevance does it have to say that we "subtract 24 from 32 bits" to get the remaining host bits? :p

  • @Markohoppis

    The subnet mask tells a system whether to send traffic to another network (route it through the gateway) or to send it direct.

    Think of it like this:

    If you want to send a letter to your neighbor you just place the envelope in their mailbox directly since the neighbor is near you (on the same subnet). If you want to send a letter to someone further away then you give it to the mailman to deliver (you route it through the gateway since the recipient is on a different subnet).

  • Thank you very much for the tutorial bro! keep them coming!

  • lulwut?

  • the subnet mask tells us what our network id is

  • what?

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