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    global-advertisements-threshold

    Syntax

    global-advertisements-threshold advertisement-value;

    Hierarchy Level

    [edit protocols vrrp]

    Release Information

    Statement introduced in Junos OS Release 12.2.

    Description

    Configure the number of fast advertisements that can be missed by a backup router before the master router is declared as down.

    Note:

    • The advertisement value configured using the global-advertisements-threshold statement is applicable to all the Virtual Router Redundancy Protocol (VRRP) groups in the system.
    • Setting the advertisement value of the global-advertisements-threshold configuration to 1 is not recommended for a scaled configuration with an aggressive advertisement interval. For example, if you have 1000 VRRP groups with an advertisement interval of 100 ms, then do not set the global-advertisements-threshold value to 1.
    • Changing the advertisement value of the global-advertisements-threshold configuration during runtime can result in unpredictable behavior by the VRRP state machine. For example, momentary ownership change from the master router to the backup router and vice versa. Therefore, avoid changing the advertisement value of the global-advertisements-threshold statement during runtime.

    Options

    advertisement-value—Number of VRRP advertisements missed before the master router is declared as down.

    Range: 1 through 15

    Default: 3

    Required Privilege Level

    routing—To view this statement in the configuration.

    routing-control—To add this statement to the configuration.

    Modified: 2015-03-27