search:cisco ios softwareon this website for more information about IOS related to hardware.

First,make sure your helper address is right givenSecond,make sure the Lan address (gateway of each network) is right given.Third,figure out the gateway of each zones in the DHCP server.hope help

maybe there is a physical proble with your RSMfor exmaple it is not installed firmly.

HIagree with GPAUWENyou must give us more informationwhat do you want your router to do for youjust for communication bewteen vlans ?or connect to other routers?

first,can you tell me what do you mean by "ff" in sentence:what does the ff indicate / mean :I can give you two suggestions1,manualy set the speed of switch connected directly to the router to 10M,duplex to half2,Make sure every PCs in the LAN have t...