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Home > Success Center > Archive > 2017October30 - LEM Deletes > Collect and display flow data

Collect and display flow data

Created by Caroline Juszczak, last modified by Kevin.Swinson on Oct 30, 2017

Views: 10 Votes: 0 Revisions: 3

LEM supports flow exports from both NetFlow and sFlow devices. Use the Flow Explorer in the LEM console to view graphs, charts, and grids, as well as:

  • Top Talkers by Internet Assigned Numbers Authority (IANA)-based Protocol
  • Top Talkers by Port
  • Top Talkers by Source/Destination Address
  • Top Talkers by Total Bytes
  • Top Talkers by Total Packets

See the manufacturer specifications to configure your devices to send Flow data to your LEM appliance. The LEM appliance supports data on the 2100/UDP for NetFlow devices and 6343/UDP for sFlow devices.

Enable flow collection and analysis on the LEM appliance

  1. Connect to your LEM virtual appliance using either the vSphere console view or an SSH client (such as PuTTY).

    If you are using an SSH client, log in to your LEM virtual appliance using your CMC credentials.

  2. At the cmc> prompt, enter service.
  3. At the cmc::scm# prompt, enter enableflow.
  4. To confirm your entry, enter y.

    The Manager service on the LEM automatically restarts.

  5. At the prompt, enter n and follow the prompts to select the Flow collector and enable Flow Analysis for Flow data collected on another system.

    Otherwise, enter y.

  6. Enter exit and press Enter to return to the cmc> prompt.
  7. Enter exit and press Enter to log out of your LEM virtual appliance.

View flow data in the LEM console

  1. Open the LEM Console and log in to the LEM Manager as an administrator.
  2. Open the Monitor view.
  3. Click the Explore drop-down menu and select Flow.

    The Flow Explorer presents data in graph, chart, or grid formats.

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