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can anyone help troubleshooting BFD

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  • can anyone help troubleshooting BFD

    HI all,

    I have configured BFD in my router ,but i don't know whether my IOS and Module will support BFD .

    My router is Cisco 7600

    I have mentioned the router Sup type and Module type

    IOS c7600s72033-adventerprisek9-mz.122-33.SRB5.bin"

    WS-SUP720-3BXL----Supervisory Module
    7600-SIP-600----Gigabit ethernet Module

    Below i have mentioned the configuration and debugs


    GigabitEthernet11/0/2.2551
    bfd interval 50 min_rx 50 multiplier 3


    router bgp 65530
    neighbor 172.31.252.1 fall-over bfd



    Debug Packets
    #
    Oct 29 12:28:37.637 IST: Tx*IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (1/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #319
    Oct 29 12:28:37.637 IST: Tx IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (2/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #320
    #
    Oct 29 12:29:19.638 IST: Tx*IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (1/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #324
    #


    Oct 29 12:29:33.634 IST: Tx IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (2/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #326



    Oct 29 12:30:15.635 IST: Tx*IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (1/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #330
    Oct 29 12:30:15.635 IST: Tx IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (2/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #331
    #
    Oct 29 12:30:57.635 IST: Tx*IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (1/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #335
    Oct 29 12:30:57.635 IST: Tx IP: dst 172.31.252.1, plen 24. BFD: diag 1, St/D/P/F (2/0/0/0), mult 3, len 24, loc/rem discr 13 8720, tx 1000000, rx 1000000 50000, timer 14000 ms, #336
    #




    Debug Events

    Oct 29 12:34:41.635 IST: Applying event 2
    Oct 29 12:34:41.635 IST: bfdV1FSM e:2 s:2
    Oct 29 12:34:41.635 IST: bfdV1FSM e:4 s:2
    Oct 29 12:34:41.635 IST: Session [172.31.252.2,172.31.252.1,Gi11/0/2.2551,13], event DETECT TIMER EXPIRED, state INIT -> DOWN
    #
    Oct 29 12:34:55.636 IST: Applying event 2
    Oct 29 12:34:55.636 IST: bfdV1FSM e:2 s:1
    Oct 29 12:34:55.636 IST: Session [172.31.252.2,172.31.252.1,Gi11/0/2.2551,13], event RX DOWN, state DOWN -> INIT
    #
    Oct 29 12:35:09.636 IST: Applying event 2
    Oct 29 12:35:09.636 IST: bfdV1FSM e:2 s:2
    #
    Oct 29 12:35:23.636 IST: Applying event 2
    Oct 29 12:35:23.636 IST: bfdV1FSM e:2 s:2
    #
    Oct 29 12:35:37.637 IST: bfdV1FSM e:4 s:2
    Oct 29 12:35:37.637 IST: Session [172.31.252.2,172.31.252.1,Gi11/0/2.2551,13], event DETECT TIMER EXPIRED, state INIT -> DOWN
    Oct 29 12:35:37.637 IST: Applying event 2
    Oct 29 12:35:37.637 IST: bfdV1FSM e:2 s:1
    Oct 29 12:35:37.637 IST: Session [172.31.252.2,172.31.252.1,Gi11/0/2.2551,13], event RX DOWN, state DOWN -> INIT

    Oct 29 12:35:51.637 IST: Applying event 2
    Oct 29 12:35:51.637 IST: bfdV1FSM e:2 s:2
    #
    Oct 29 12:36:05.637 IST: Applying event 2
    Oct 29 12:36:05.637 IST: bfdV1FSM e:2 s:2
    #
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