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Related Documentation

    Recommended Instructions

    Following is a high-level, sequential outline of the router data collection process and the associated, recommended procedures.

    1. Make any necessary corrections to the router profiles setup in Chapter 3, Setting Up Device Profiles.
    2. Start the data collector if it is not already started, as described in step 1.
    3. Open the Traffic Collection Manager in the IP/MPLSView client. Specify the group of routers to collect and associate a data collector to this group. Save your settings.
    4. Click Start and view the Collection Status.
    5. View the Live Utilization on the Map and in the Link and Tunnel windows.
    6. View the collected data through Traffic Charts in the live (online) network or web browser. Historical Traffic load replay is also available.
    7. Import aggregate traffic data to create a trafficload file for offline use.

    Definitions of Planned Utilization and Live Utilization

    Tunnel layer traffic

    Actual traffic passing through a tunnel.

    Terms

    Definitions

    Total Link Bandwidth

    The total bandwidth of the link.

    Layer 3 traffic

    Actual traffic through an interface. This traffic includes all traffic passing through a link, including tunnel traffic.

    Planned utilization

    The fraction of the link that is planned.

    • Planned Layer 3 Utilization: (Sum of the planned demand bandwidth over the link)/(Total link bandwidth)
    • Planned Tunnel Layer Utilization: (Sum of the planned tunnel bandwidth over the link)/(Total Link RSVP bandwidth)

    Live utilization

    The fraction of the link that is actually utilized. Depending on whether the tunnel layer or layer 3 is being viewed, the fraction of the link that is utilized for that layer is what live utilization will refer to.

    • Live Layer 3 Utilization: (Bandwidth used in layer 3)/(Total link bandwidth)
    • Live Tunnel Layer Utilization: (RSVP Bandwidth used for the tunnel layer)/(Total link RSVP bandwidth)

    Modified: 2015-12-29