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Configuring Ethernet Media (CTP Menu)

You can configure the CTP Ethernet media to autonegotiate the duplex mode and speed and to set the speed to either 100 or 10 Mbps. The Ethernet configurations on the CTP device must match the configuration of the connected router or switch. Mismatched configurations, such as setting the CTP system to autonegotiate and the router to full duplex, may result in a misconfiguration and dropped packets. You must disable Cisco Discovery Protocol on the Fast Ethernet port connected to the CTP system.

To configure Ethernet interfaces on a CTP device using the CTP Menu:

  1. From the Main Menu, select 5) Node Operations.
  2. Display the current Ethernet configuration by selecting 12) Config ethernet media.
    ***
    *** You are about to modify a system parameter that will require
    *** a system reboot when complete.
    ***
    *** If you decide to continue, the system will automatically
    *** reboot upon leaving these menus.
    ***
    *** Note: If these parameters are changed incorrectly,
    ***       system may not be reachable via the network
    ***       after the system reboots.
    ***
            Are you sure? y[n]: y
    Here is a list of the available ethernet devices and their descriptions:
            eth0: 10/100/1000 Copper (right)
            eth1: 10/100/1000 Copper (left)
    Please input the device to configure the media for: eth0
    
    
    Configure eth0 (e1000) for autonegotiation? [y] n
    
    Configure eth0 for 100 Mbps [y] n
    OK, setting speed to 10 Mbps.
    

    Autonegotiation is enabled by default and the speed is set to 1000 Mbps

    FieldFunctionYour Action

    Please input the device to configure the media for

    Specifies the Ethernet port

    Specify an Ethernet port from the list.

    Configure eth0 (e1000) for autonegotiation

    Specifies whether autonegotiation is enabled. The default speed for autonegotiation is 1000 Mbps.

    Specify y or n.

    If you specify y, autonegotiation is enabled and the speed is set to 1000 Mbps.

    If you specify n, the system prompts you to set the speed to 100 Mbps.

    Configure eth0 for 100 Mbps

    Specifies the speed. This field is not displayed if autonegotiation is enabled.

    Specify y or n. If you specify y, the system sets the speed to 100 Mbps.

    If you specify n, the speed is set to 10 Mbps.

  3. Specify the Ethernet device you want to configure, and follow the onscreen instructions.

Related Documentation

Modified: 2015-11-17