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Subnet Masking

Posted on 2011-11-01
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Last Modified: 2012-05-12

Can I please get the worked solution and the easy steps to follow for the following question
As the Network Administrator in your company you apply to your local ISP for a pool
of IP addresses and you are allocated the public IP address pool defined by
194.168.32.0/26.
How many public IP addresses has your company been allocated?
What is the subnet mask associated with this address pool?
What is the network address?
What is the broadcast address?
If the organisation uses a flat network without subnets then how many hosts can be
attached to the network? Explain you answer clearly.
You are required to subdivide your IP address pool into 4 equal subnets by choosing the
correct subnet mask.
Show clearly how your choice of subnet mask will generate the required subnets and list
the IP address range of each subnet.
Show the subnet address for each subnet and the broadcast address for each subnet.
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Question by:kerry83
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WalterH earned 2000 total points
ID: 37063789
The subnet mask is 255.255.255.192. You have been allocated 62 addresses. The network address is 194.168.32.0 The broadcast address is 194.168.32.63. Assuming the router takes 1 address, you can attach 61 hosts to this network if it is not subnetted. To subdivide you use the mask 255.255.255.240 adding 2 bits to the network mask. The four subnets are 194.168.32.0, 194.168.32.16, 194.168.32.32, and 194.168.32.48.

subnet             range                                   broadcast
194.168.32.0   194.168.32.1-194.168.32.14 194.168.32.15
194.168.32.16  194.168.32.17-194.168.32.30 194.168.32.31
194.168.32.32  194.168.32.33-194.168.32.46 194.168.32.47
194.168.32.48  194.168.32.49-194.168.32.62 194.168.32.63
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Expert Comment

by:WalterH
ID: 37063814
To convert the /26 to a subnet mask, write 26 1's followed by 32-26 0's (which is six). break in to groups of 8 and covert each 8 bit binary number to decimal.s
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Assisted Solution

by:WalterH
WalterH earned 2000 total points
ID: 37063841
The number of 0's at the end give you the host portion of your network, in this case you have 6 zeros, so the host portion is 2**6 or 64. Since the low value is the network address and the high value is the broadcast, you subtract 2 and get the number of network addresses or hosts as 62. Your router counts as one of these hosts leaving 61 other hosts.
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Author Comment

by:kerry83
ID: 37153002
I've requested that this question be deleted for the following reason:

question answered
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Expert Comment

by:WalterH
ID: 37153003
If the question was answered, it shouldn't be deleted and points should be awarded.
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Expert Comment

by:_alias99
ID: 37181759
Starting the auto-close procedure on behalf of the question asker.

_alias99
Community Support Moderator
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