Installation and Operation 3-31
SURFboard Cable Modem Installation Manual
Renewing an IP Address
To renew an IP address:
1 Type ipconfig /renew and then press ENTER. If a valid IP address is displayed, then Internet
access should be available.
2 Type exit and then press ENTER to return to Windows.
Installing Multiple Users
The SURFboard cable modem can serve as a gateway to the Internet for up to 32 users when
using an optional hub or switch. The users must be on the LAN and the SURFboard cable
modem must be attached to the LAN and the cable system.
The following three diagrams illustrate sample configurations. Figure 3-2 illustrates the basic
connections with one interface:
Figure 3-2
Ethernet - Multiple users
Cable outlet
Ethernet hub
or switch
Coaxial cable
Computer
Computer Computer
SURFboard
cable modem
Ethernet cable
Ethernet crossover cable
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