10-28-2010 10:35 PM - edited 03-03-2019 06:06 AM
Given a class C address of 192.168.25.0 / 24, I need to design a network address scheme for 4 subnetworks where the zero subnet is used and the number of hosts on subnet A is 2, Subnet B is 5, Subnet C is between 20 and 30 and subnet D is between 75-100. I'm stumped because if I use a /26 mask then I won't have enough host for subnet D. If I use a /25 mask then I don't have enough subnets. Clearly I am missing something in this simple problem and help will be most appreciated. VLSM is not being used or allowed.
Walt
10-29-2010 02:48 AM
Hi Walt,
Diving subnet equally will not ensure all subnet to be served as per your requirement. I think below is the only one as per
your requirement....or you can have one more supernet to cate this requirement
Subnet A: 192.168.25.0/30
Subnet B: 192.168.25.8/29
Subnet C: 192.168.25.32/27
Subnet D: 192.168.25.128/25
Regards
Mahesh
10-29-2010 06:57 PM
Mahesh,
Thank you for your reply. It confirms the only solution that I could see.
Much appreciated!!
Walt
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