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Chapter 3
IP Addressing
From these tables, we see that our IP address range for the Ethernet user
segment is 172.16.1.1172.16.1.254. Also, we see that the IP address range
for the server farm segment is 172.16.2.1172.16.3.254.
In summary, we have defined the following address ranges for our four
segments, as detailed in Table 3.13.
We can now take our VLSM address ranges and apply them to our net-
work diagram, as shown in Figure 3.3.
F I G U R E 3 . 3
VLSM example with IP addresses
T A B L E 3 . 1 3
Valid IP Addresses for All Four Segments Used in Figure 3.2
Description of Segment
Address Range
Server farm
172.16.2.1172.16.3.254
Ethernet user segment
172.16.1.1172.16.1.254
Serial link
172.16.0.5172.16.0.6
Router interconnection switched segment
172.16.0.9172.16.0.14
Router Interconnections
(172.16.0.9--172.16.0.14)
Point-to-Point HDLC Link
(172.16.0.5--172.16.0.6)
Ethernet User Segment
(172.16.1.1--172.16.1.254)
Class B Address: 172.16.0.0
Server Farm
(172.16.2.1--172.16.3.254)
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