I am very new to the cisco world but I have a problem maybe some one can help. I have one of my cisco 2600's setup and i config the interface but iam getting a Duplex mismactch discovered on ethernet 0/0( not full duplex), with another on my network-- router Fast Ethernet). I did my research and says that i should be in full duplex mode( need to be in the same mode as other router ,but Idon;t know how to set it in full duplext mode. I could not find the right command. please help