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Cisco 2620 Help for a newbie

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  • Cisco 2620 Help for a newbie

    Hi,

    I have a T1 that was just installed. I have a Cisco 2620. I need to configure it to work with my T1. I can use hyperterm to access it. Where do I go from here? I have been reading all night and I am lost. Here is a show run.

    Current configuration : 356 bytes
    !
    version 12.2
    service timestamps debug uptime
    service timestamps log uptime
    no service password-encryption
    !
    hostname Router
    !
    !
    ip subnet-zero
    !
    !
    !
    !
    !
    !
    interface FastEthernet0/0
    no ip address
    shutdown
    duplex auto
    speed auto
    --More--

    !
    interface Serial0/0
    no ip address
    shutdown
    !
    ip classless
    ip http server
    !
    !
    line con 0
    line aux 0
    line vty 0 4
    !
    end

    Here is what Qwest gave me for IP's.

    Qwest Serial: 204.xx.xx.237 (255.255.255.252)

    Customer Serial: 204.xx.xx.238 (255.255.255.252)

    LAN IP Block: 63.xx.xx.48 (255.255.255.24 Static

    Any help on how to configure it would be grateful.

  • #2
    Re: Cisco 2620 Help for a newbie

    First, you will assign the customer IP address to your serial interface. Make sure you add the "no shutdown" command.

    Second, you will need to make sure that your LAN interface (Fast Ethernet) has the correct IP address that you have specified as your default gateway on your computers. Also make sure you add the "no shutdown" command to this interface as well.

    The command to add an IP address to a interface is "ip address x.x.x.x y.y.y.y" With x.x.x.x being your IP and y.y.y.y being your mask.

    This is somewhat questionable with your internal LAN IP addressing scheme. Normally you would have something like 192.168.x.x or 172.20.x.x as your internal IP scheme. Your internal IP address scheme could be problematic since the IP addresses fall into public address space.
    MCITP:SA, MCSA 2003, MCP, CCNA, A+, Net+, Security+

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