Hi all, when subnetting, I know for the host portion of the address we need to leave 2 bits, but when we look at the network portion, do we need to leave 2 bits for the network? i thought its only for the host portion ? as we can use subnet zero
Hi, you are correct two bit must remain for the host portion of the subnet mask, ANDing requires a mix of 1 and 0's to determine the host's address. As for the network we know it can be all 1's in the network portion and with subnet zero available I do believe you can use all the bit's in the network protion. Maybe an expert can add additional information for you. HTH
I think you answered your own question in that we can now use subnet zero, eliminating the 2 networks that we use to save. Depending on your hardware and IOS versions you may not be able to use subnet zero.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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