Computer Networks I IP addressing
Computer Networks I IP addressing
Computer Networks I IP addressing
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Subnetting<br />
Subnet mask<br />
<strong>Computer</strong> <strong>Networks</strong> I 17<br />
●<br />
With subnetting routing is not possible without a mask that<br />
defines the subnet.<br />
● In the previous sample<br />
host id<br />
0<br />
1<br />
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9<br />
10 net id<br />
2<br />
0 1 2 3 4 5 6 7 8 9<br />
3<br />
0 1<br />
sub-net id<br />
●<br />
Mask is<br />
1111 1111 1111 1111 11 00 0000 0000 0000
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