3Com OfficeConnect 3CR100A97 User Manual page 57

DHCP, the OfficeConnect Gateway, acting as a DHCP Client, will
obtain this IP address automatically from the Service Provider's DHCP
Server.
Secondary LAN DNS Server: Enter the IP address provided by your
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Service Provider in the Secondary LAN DNS Server field.
If your network is utilizing WINS resolution, your Service Provider will
provide you with IP addresses for the following fields:
Primary WINS: Enter the IP address of the Primary WINS server
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database in the Primary WINS field.
Secondary WINS: Enter the IP address of the Secondary WINS server
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database in the Secondary WINS field.
3 Click Apply to save your changes to the LAN Configuration page. (If you
click Reset, all changes you made on this page will be deleted, and the
fields will be re-set to their default values.)
4 Click SaveAll on the upper right portion of the OfficeConnect Gateway
menu bar to save your changes permanently.
Advanced LAN Configuration 5 - 5