ZyXEL Communications P-660N-T1A User Manual page 260

Appendix A Setting Up Your Computer's IP Address
Follow the steps below to configure your computer IP address in GNOME:
Click System > Administration > Network.
1
When the Network Settings window opens, click Unlock to open the
2
Authenticate window. (By default, the Unlock button is greyed out until clicked.)
You cannot make changes to your configuration unless you first enter your admin
password.
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P-660N-T1A User's Guide