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    Monitoring Traffic on Layer 3 VLANs

    This topic describes how to monitor Layer 3 VLAN traffic statistics on a device. You can monitor Layer 3 VLAN statistics for a switch, router, Virtual Chassis, Virtual Chassis Fabric, Layer 3 Fabric, and the aggregation devices in a Junos Fusion fabric.

    This topic describes:

    Procedure for Monitoring Layer 3 VLAN Traffic Statistics

    1. Click Monitor in the Network Director banner.
    2. Select a node in the View pane that contains the Layer 3 VLAN traffic you want to monitor.
    3. Select the Traffic tab.
    4. In the Tasks pane, select View > L3 VLAN Statistics.

      The L3 VLAN Traffic Stats window opens. For information about this window, click the Help button in the title bar of the window or see L3 VLAN Traffic Stats Window.

    L3 VLAN Traffic Stats Window

    The L3 VLAN Traffic Stats window displays information about the Layer 3 VLAN traffic on the node you selected in the View pane. You can monitor Layer 3 VLAN statistics for a switch, router, Virtual Chassis, Virtual Chassis Fabric, Layer 3 Fabric, and the aggregation devices in a Junos Fusion fabric.

    Note: For a Junos Fusion fabric, you must select an aggregation device to view the Layer 3 VLAN statistics. The L3 VLAN Statistics option is not be available if you select a Junos Fusion satellite device.

    The L3 VLAN Traffic Stats window contains two panes:

    • VLAN Traffic line graph—This graph shows the data transmission rate on the Layer 3 VLAN selected in the table beneath the graph. The horizontal axis shows the times when samples were taken. The vertical axis shows the data rate, in bytes per second.

      To show a Layer 3 VLAN on the VLAN Traffic line graph, select the Layer 3 VLAN from the table beneath the graph. To highlight a line on the graph, mouse over the line legend. To remove or restore a line, click the line legend. To see numeric values, mouse over a data point.

    • Layer 3 VLAN traffic statistics table—This table provides information about the Layer 3 VLANs as described in Table 1. Selecting a Layer 3 VLAN from this table updates the VLAN Traffic graph to display the traffic information for the selected Layer 3 VLAN.

    Table 1: Layer 3 VLAN Traffic Statistics Table

    Table Column

    Description

    L3 Interface

    Layer 3 interface assigned to the VLAN.

    SerialNo

    The serial number of the device containing the Layer 3 VLAN.

    VLAN Name

    VLAN name.

    VLAN ID

    VLAN ID.

    Description

    VLAN description.

    In Packet

    Number of packets entering the VLAN.

    Out Packet

    Number of packets leaving the VLAN.

     

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    Modified: 2016-09-29