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Figure 1-3 shows a simple internetwork with routers
connecting different network numbers. In this figure, networks 1, 2,
3, and 4 have hosts on them and networks 5, 6, and 7 do not.
Networks 5, 6, and 7 are there purely to connect the routers over a
local or wide area network. In this internetwork, hosts X and Z must
be configured for the same network number (in this case, 2). In
addition, the router interfaces that are connected to the same
network (for example, interface 2 on router C and interface 1 on
router A), must be configured for the same network number (in this
case, 5). |
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