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Forum Replies

  1. Hi Rene,

    Cheat Sheet Table under Step 4 and Step 5 needs some correction. Please revisit and correct , it will be very useful for all of us.

    Thanks ,



  2. Hi SV,

    Thanks, I just fixed a few errors. If you encounter any, please let me know and I’ll correct them.


  3. Another easy way to get the wildcard value is to subtract the value in each octet in the subnet mask from 255.

    Example: subnet mask

    1st Octet: 255 - 255 = 0

    2nd Octet 255 - 255 =0

    3rd Octet 255 - 248 = 7

    4th Octent 255 - 0 = 255

    Giving a wildcard mask of


  4. Hi Rene,

    It looks like /25 - /30 were not written in the 4’th octet. That is where the masks should be written, correct?

    Thank you,


  5. Hi Rene,
    Are you going to talk about Wild Card and Access-List ?


    Hoang Trinh

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