thank you for your answers,but now let us say if PC A and PC B in different vlans,but they are in same subnets,what will ocuur?i mean if now i ping from PC A to PC B,is it reachable?
any model of switches,i know Redundant supervisor engines can be used on Catalyst5000 seriers,but now i want to know can i make two same model switches hot standby?
thanks a lot,i understand now,but this will take me some trouble.My building,4 floors,one switch cat2924 every floor,so total 4 switches,and i create 4 vlans on every switch. you know,i connect them by using trunk link. now there are 3 users (one is ...