Motorola SURFboard SB6121 - Manual (Page 32)

2 INSTALLATION
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7. If an Autoconfiguration IP Address is displayed, there is an incorrect connection
between the PC and the SB6120, or there are broadband network problems.
Do the following to renew the IP address:
At the command prompt, type ipconfig /renew and press Enter. If a valid IP address
is displayed as shown, Internet access should be available.
8. Type exit and press Enter to return to Windows.
Configuring TCP Window Size
Please go to the Motorola website for instructions for configuring your TCP window
size at:
http://broadband.motorola.com/consumers/support