MultiPort/LT User Reference
Page 8
Chapter 1
In example 1 the subnetmask decodes a host number of 0001 0000
(decimal 16).
❏
Example 2
ADDRESS
129.15.115.71
SUBNETMASK
255.255.255.224
ADDRESS
81.0F.73.47
SUBNETMASK
FF.FF.FF.E0
ADDRESS
1000 0001 0000 1111 0111 0011 0100 0111
SUBNETMASK
1111 1111 1111 1111 1111 1111 1110 0000
In example 2 the subnetmask decodes a host number of 0 0111
(decimal 7). Note how the host number is decoded as only 5 bits long.
Host numbers and their corresponding subnetmask bits do
not
have
to be multiples of 8 bits.
1.5.3.
External and Internal Network Numbers
❏
Terminology
This manual uses the terms 'external network number' and 'internal
network number' in preference to the alternative terms 'network
number' and 'subnet number' respectively.