Cisco SB101 Router and Comcast Business Cable Modem

Discussion in 'Hardware' started by COSkiCountry, Nov 2, 2006.

  1. COSkiCountry

    COSkiCountry

    Joined:
    Nov 2, 2006
    Messages:
    1
    Hello,

    I need some advice.

    I am attempting to get a Cisco SB101 Router to work behind a Comcast Business Class Modem w/ built-in SMC Router. We are assigned 5 static IP's from Comcast--the Modem/Router uses the .50 address, with the other 4 just below this. According to Comcast, all one must do is to assign the Cisco Router a static IP of, for example, .49 w/ subnet mask, then somehow specify it to use the SMC Modem/Router as a Gateway (using the .50 address as the gateway address). As of right now, there is a Linksys Router in place that works jsut fine--can access from outside world using the .49 address.

    The Cisco does not allow me any I-Net access on the inside, and needless to say, no outside-> in access either.

    If anyone has any advice, please help! Thanks.
    COSkiCountry, Nov 2, 2006
    #1
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  2. COSkiCountry

    lacho

    Joined:
    Nov 2, 2006
    Messages:
    3
    Need a diagram

    you can post a diagram?

    Horacio Albores
    CISCO CCNP
    lacho, Nov 2, 2006
    #2
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