troubleshooting Question

What are the rules for a 128 subnet mask and useable subnets

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rollingrelic asked on
RoutersInternet ProtocolsTCP/IP
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What are the rules for a 128 subnet mask and useable subnets…Cisco seems to use ( 2n )for calculating the number of useable subnets…Microsoft   ( 2n – 2)  which would make a 128 mask invalid
ASKER CERTIFIED SOLUTION
Ken Boone
Network Consultant

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