You must search the thread before questioning, anyway here's a tutorial to set-up static ip - http://xdaforums.com/show....php?t=1506803
Its for paul's ICS, but as this ROM is based on paul's ICS only, it works.
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Any way im allready back to minicm7 , i only flash this for test and have to stay that this is a really great rom Just having problem with wifi but i can think this will be working great in new release also i was missing cyanogenmod options in this rom but who cares if we have Miui. Waiting for stable version
Big thanks to jahlovepl !