I just purchased a Cisco 3640 with two WIC cards. I need to access the router but I don't have an IP address. Is there a default IP address I can use? I have tried using the Con port in front but no luck. This is the first time I am working with Cisco, so any help is appreciated.
There is no default IP address that you can use to access a router. If you cannot access the router through the console port you will not be able to configure telnet access. Make sure you are using the proper steps in order to access your router through a console connection. Are you using a rollover cable? Did set the connection speed on your hyperterminal session to 9600 baud? You might have to reinstall hyperterminal. I have had situations in which the program has just gone bad.
When you do connect to the router through a console connection you can then configure a loopback or serial interface address and configure vty access into your router.
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