Internet Sharing never starts completely and gives IP addresses

Hi,
I'm trying to start internet connection sharing and fail to. Here are symptoms: Trying to share connection from Ethernet through AirPort, enabling Internet sharing in Sys Pref, then Pref pane shows green lamplight and says "Opening your shared connection" (or smth like this, I run non-English version of Mac OS X), and never leaves this state (never start saying "Sharing connection").
While in this state, I've checked if IP address was assigned to wifi card, and that was not the case. Guessing this could be the reason, but searching in these forums and general internet gave me no answer.
Firewall is not enabled, afaik.
What could be the reason of issue? Some errors with DHCP?
Best regards,
Petr

Yes, I've seen the cure in this particular Forum some months ago, (unfortunately I didn't bookmark it!).
If it helps, the pseudo router in the Mac always hands out x.x.2.x addies, which has been a bugaboo if you had any other x.x.2.x device in the mix, somewhere a few months after that discovery, some Guru here posted exactly what you need... sorry I can't help you more!

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