m0n0wall my isp does not alow more than 1 pc on lan how can i trick them?

From:	"pcnet" <gmuntean at pcnet dot ro>
To:	<m0n0wall at lists dot m0n0 dot ch>
Subject:	m0n0wall my isp does not alow more than 1 pc on lan how can i trick them?
Date:	Tue, 21 Feb 2006 16:42:01 +0200

from a week now my isp does not alow more than 1 pc on lan how can i trick them? 

they seem to know that i am routing the traffic what must i do to reuse the m0n0wall, that was
perfectly working?

thanks in advance, grigore.