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    isis bfd-liveness-detection

    Syntax

    [ no ] isis bfd-liveness-detection [ minimum-interval minInterval |
    [ minimum-receive-interval minRecInterval ]
    [ minimum-transmit-interval minTransInterval ] ] [ multiplier multValue ]

    Release Information

    Command introduced in JunosE Release 7.1.0.

    Description

    Enables BFD (bidirectional forwarding detection) on an interface running IS-IS and defines BFD values to be negotiated between IS-IS neighbors for detection of IP data path failures. The no version disables BFD on the IS-IS interface.

    Note: BFD sessions might not be maintained when the multiplier value is 1 and configured intervals are very short. We recommend that you do not use a multiplier value of 1 with very short intervals.

    Options

    • minInterval—Minimum proposed transmit interval and required receive interval for BFD control packets; has the same effect as configuring the minimum receive interval and the minimum transmit interval to the same value; number in the range 100–65535 milliseconds—for ES2 4G LM only, the range is 10–65535 milliseconds; default value is 300 milliseconds
    • minRecInterval—Minimum interval at which the local peer must receive BFD control packets sent by the remote peer; number in the range 100–65535 milliseconds—for ES2 4G LM only, the range is 10–65535 milliseconds; default value is 300 milliseconds
    • minTransInterval—Minimum proposed interval between BFD control packets sent by the local peer; number in the range 100–65535 milliseconds—for ES2 4G LM only, the range is 10–65535 milliseconds; default value is 300 milliseconds
    • multValue—Detection multiplier value that the remote peer router multiplies by the local peer's negotiated transmit interval to determine the remote peer's BFD liveness detection interval; equal to the number of BFD packets that can be missed before the BFD session is declared down; number in the range 1–255; default value is 3

    Mode

    Interface Configuration, Subinterface Configuration

     

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    Published: 2014-08-14