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Figure 11.1 shows that serial interfaces 0, 1, and 2 were
configured with addresses 192.20.30.17, 192.20.30.33, and
192.20.30.49 respectively. The same mask 255.255.255.240 was
configured on all three interfaces. When using the setup dialog we
configure the subnet bits; in this case we are using four bits to
describe subnets, hence the 255.255.255.240 mask. |
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