my isp given ethernet out put i connected one ce-500 on up link port iam getting internet and iam having 2811 router inthat having 2giga eth ports now i connected one port on ce-50024tt on router gf0/0 iwant to nat privateseries 192.168.1.1 tomy sys.now i want useone more ce-500 as secondory switch and how can i nat two ethernet ports on router one incoming and one is outgoing. how can i use switches asprimari and secondery plz help me out in this