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    Monitoring Virtual Chassis Protocol Statistics

    This topic describes how to monitor Virtual Chassis protocol statistics on a device. You can monitor Virtual Chassis protocol statistics for a Virtual Chassis node in any view.

    This topic describes:

    Procedure for Monitoring Virtual Chassis Protocol Statistics

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

      The Virtual Chassis Protocol Statistics window opens. For information about this window, click the Help button in the title bar of the window or see Virtual Chassis Protocol Statistics Window.

    Virtual Chassis Protocol Statistics Window

    The Virtual Chassis Protocol Statistics window displays information about the Virtual Chassis protocol statistics on the Virtual Chassis node you selected in the View pane. It contains these panes:

    • The top pane of the window lists the Virtual Chassis members and provides the information about each member that is described in Table 1.

      Select a member’s table row to see information about that member in the other panes.

    • The middle and bottom panes provide the information described in Table 2.

    Table 1: Virtual Chassis Protocol Statistics Window Top Pane

    Table Column

    Description

    Member

    Virtual Chassis member’s ID.

    Role

    Member’s Virtual Chassis role. Roles include Master, Backup, and LinecCard.

    FPC Slot

    Member’s FPC slot in the Virtual Chassis.

    Member Serial Number

    Member’s serial number.

    Table 2: Virtual Chassis Protocol Statistics Window Middle and Bottom Panes

    Field or Table Column

    Description

    System Name

    Member system name.

    Purges initiated

    Number of purges that the system initiated. A purge is initiated if the software determines that a link-state PDU must be removed from the network.

    Shortest-path-first runs

    Number of shortest-path-first (SPF) calculations that have been performed.

    Link-state PDUs queue length

    Number of link-state PDUs waiting in the queue for processing. This value is almost always 0.

    Link-state PDU fragments computed

    Number of link-state PDU fragments that the local system has computed.

    Link-state PDUs regenerated

    Number of link-state PDUs that have been regenerated. A link-state PDU is regenerated when it is nearing the end of its lifetime and it has not changed.

    Protocol data unit type (PDU)

    Protocol data unit type.

    PDUs Received

    Number of PDUs received since VCCP started or since the statistics were set to zero.

    PDUs Processed

    Number of PDUs received minus the number of PDUs dropped.

    PDUs Dropped

    Number of PDUs dropped.

    PDUs Transmitted

    Number of PDUs transmitted after VCCP started or after the statistics were set to zero.

    PDUs Retransmitted

    Number of PDUs retransmitted after VCCP started or after the statistics were set to zero.

     

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    Modified: 2016-09-29