Using Macbook pro ethernet as a DHCP server
Solution 1:
You can use Internet Sharing from Sharing Preference Pane.
Open
System PreferencesSelect
SharingPreference Pane-
Enable
Internet Sharingwith the following settings:Share your connection from:Wi-FiTo computers using:Ethernet
Aleph 0 has a more detailed article about it.
There's also an article by Jacques Fortier on Running Mac OS X's built-in DHCP server that describes how you can do it manually.