Port mirroring for network traffic monitoring devices

Mirror ports on a DeltaV Smart Switch

Ports are entered in the (media) module/port notation. Mirror to the switch's Probe Port.

This procedure uses the RM100 as an example. The command line prompt (Emerson RM100>) will vary depending on the switch model.

For older DeltaV Smart Switches, a firmware upgrade is needed (v8.0.13). This firmware upgrade exposes the switch's port mirroring capabilities.

  1. Log on to the computer and DeltaV with administrative privilege.
  2. Select the switch from the list and right click.
  3. Select the Advanced Device Options → SSH to Switch option.
    The menu is only enabled for users with the administrative privileges.
    Note

    SSH is used as an example. Telnet or CLI can similarly be used to configure port mirroring.

  4. The first time SSH to Switch is used to connect to a switch, you are prompted with a warning about caching the new key. Press Y to update the cached key. Once the key fingerprint is saved to the workstation, future SSH to Switch commands will not display the warning.
  5. Issue the following commands from the Command Line Interface (CLI):

    User: admin

    Password:********

    Note

    Enter '?' for Command Help. Command help displays all options that are valid for the 'normal' command forms of that particular mode. For a list of valid 'no' command forms for that mode, enter the help command 'no ?'. For the syntax of a particular command form, please consult the documentation.

    (Emerson RM100)>deltav monitor acn-wizard

    Do you want to delete the current Port Mirroring Configuration? (y/n): y

    Mirroring Session cleared.

    Enter Probe Port e.g 1/1, current probe port is none: 2/8

    Configured probe port is 2/8

    Enter List of Mirroring Source Ports to be added: 2/1-2/7

    Adding Mirroring Source Ports completed.

    Current Mirroring Source Ports are: 2/1-2/7

    Do you want to activate the current Port Monitor Session? (y/n): y

    Mirroring Session is enabled

    Do you want to save the current configuration? (y/n): y

    Saving Configuration

    (Emerson RM100) >show monitor session 1

  6. Close the SSH command line window.