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Table J. Address Allocation for Private Networks
IP Address Range
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255 256 contiguous class C
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To set up a local workgroup around the modem, you can use the private IP
address range of the modem. Allocate IP addresses to each PC and make sure all
addresses are unique (figure 33).
IP address : 172.16.0.2
(Sub)netmask : 255.255.0.0
Default Gateway : none
IP address : 172.16.0.4
(Sub)netmask : 255.255.0.0
Default Gateway : none
Figure 33. Example of Small Workgroup Configuration
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In figure 33, the IP class B address is used (172.16.x.x.). The 10.x.x.x
IP addresses could also be used.
If you have an existing workgroup, consider integrating the modem in this
network. Simply change the IP address of the modem to a value that falls within
the local network range.
Allocation
1 class A network number
16 contiguous class B
network numbers
network numbers
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IP address : 172.16.0.1
(Sub)netmask : 255.255.0.0
Default Gateway : none
IP Network 172.16
IP address : 172.16.0.3
(Sub)netmask : 255.255.0.0
Default Gateway : none
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