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Cisco Bug: CSCue10556 - standby reload due to Bulk-sync failure due to PRC mismatch

Last Modified

Mar 20, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)


Standby switch keeps crashing with Bulk-sync failure due to PRC mismatch and following error messages are seen:

    LKT: Config Sync: Bulk-sync failure due to PRC mismatch.
    Please check the full list of PRC failures via:
      show redundancy config-sync failures prc

     LKT: Config Sync: Starting lines from PRC file:

    interface CEM4/2/0
    ! <submode> "interface"
    -  xconnect x.x.x.x vc_id encapsulation mpls
    ! </submode> "interface"

    LKT: Config Sync: Bulk-sync failure, Reloading Standby

    LKT:  RP sending reload request to Standby. User: ConfigSync, Reason: Bulk Sync Failure
    LKT:  RF-SP-5-RF_RELOAD  Peer reload. Reason: Proxy request to reload peer


So far the conditions found are presence of xconnect on CEM interface.
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