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    Configuring the Advertisement Interval for the VRRP Master Router

    By default, the master router sends VRRP advertisement packets every second to all members of the VRRP group. These packets indicate that the master router is still operational. If the master router fails or becomes unreachable, the backup router with the highest priority value becomes the new master router.

    You can modify the advertisement interval in seconds or in milliseconds. The interval must be the same for all routers in the VRRP group.

    This topic contains the following sections:

    Modifying the Advertisement Interval in Seconds

    To modify the time, in seconds, between the sending of VRRP advertisement packets, include the advertise-interval statement:

    The interval can be from 1 through 255 seconds.

    You can include this statement at the following hierarchy level:

    • [edit interfaces interface-name unit logical-unit-number family inet address address vrrp-group group-id]

    Modifying the Advertisement Interval in Milliseconds

    To modify the time, in milliseconds, between the sending of VRRP advertisement packets, include the fast-interval statement:

    fast-interval milliseconds;

    You can include this statement at the following hierarchy level:

    • [edit interfaces interface-name unit logical-unit-number family inet address address vrrp-group group-id]

    The range of values is from 100 through 40,950 milliseconds (ms).

    Modified: 2018-03-08