Customizing Ethernet TAP probe

As shipped, the Ethernet TAP probe acquires its network configuration automatically using DHCP. If necessary, you can manually enter a network configuration. If you cannot use DHCP, you must configure the probe for your network's address resolution protocol using static IP address resolution.

To manually configure the network settings of the Ethernet TAP probe for your network requirements, connect a terminal to the probe configuration port (Config Serial) and use the probe on-board setup utility (netparam) to change probe network settings. The probe netparam utility lets you select and modify network parameters that are saved in probe memory. Use netparam to configure the probe to match your network address resolution and routing protocols.

If the probe must be able to communicate with hosts on other subnets, you will need to configure the probe for one of the following routing options:

For more information, see Commands to configure communications and Network administration topics.

To establish serial communication with Ethernet TAP probe

  1. Connect to the setup utility using the serial port.
    1. Connect one end of the RJ-11 cable (P/N 600-12500), and appropriate adapter, to a dumb terminal or to a serial port on your host computer.
    2. Connect the other end of the RJ-11 cable to the Ethernet TAP probe RJ-11 serial connector, labeled Config Serial.
      Figure 1. Ethernet TAP probe with an RJ-11 cable attached
      Ethernet TAP probe with an RJ-11 cable attached
      Figure 2. Serial connection
      Serial Connection
    3. Set your terminal or terminal communications software (e.g., Windows HyperTerminal) as follows:
      • 9600 baud
      • 8 data bits
      • 1 stop bit
      • no parity
      • hardware handshaking disabled
      • XON/XOFF flow control disabled
    4. Turn on power to the Ethernet TAP probe. If the power is already on, then cycle power to the probe.
    5. After the login banner is displayed, press Enter.

The core> command-line prompt appears.

To customize Ethernet TAP probe network settings

To complete the steps presented in this section you need write permissions to the network database or the assistance of your network system administrator.

  1. Change the Ethernet TAP probe network settings.
    1. At the core> prompt, enter the netparam command to see the current settings.
    2. See netparam for syntax and options you need for network setup. See Network administration for extended information about installing the Ethernet TAP probe on a network.
    3. At the core> prompt, enter the netparam commands and required parameters.
  2. At the return of the core> prompt, activate the new network settings by rebooting the Ethernet TAP probe. At the core> prompt, enter reset.

Example: Assign a static IP address and hostname to the Ethernet TAP Probe

If the Ethernet TAP probe has a static IP address of 195.121.1.2 and a hostname of lab01, enter the following commands: 

core> netparam bootconfig static:lab01
core> netparam static_ip_address 195.121.1.2
core> reset

Guidelines for using netparam

The netparam utility writes its settings into non-volatile memory on the probe. Follow these rules when using netparam:

  • Each time you enter a netparam command, wait for the core> prompt to re-appear before entering the next command. The prompt indicates that the parameter change has been logged.
  • When you have finished entering all settings, type reset at the core> prompt. When the probe restarts, it will use the new netparam parameters.

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