ZyXEL Communications P-2812HNU-51c User Manual page 321

If you know your DNS server IP address(es), click the DNS tab in the Network Settings window
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and then enter the DNS server information in the fields provided.
Figure 180 Ubuntu 8: Network Settings > DNS
Click the Close button to apply the changes.
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P-2812HNU(L)-Fx Series User's Guide
Appendix B Setting Up Your Computer's IP Address
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