Hi everybody!I am cascading a cisco 1841 (R1) to a SOHO tp-link adsl router(R0).Cascaded to the 1841 there is another netgear SOHO router(R2).Internet ---R0--- R1---R2---LANR0 has 4 lan ports serving addresses in 192.168.1.0/24, and R0's ip address i...