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Note: For Intrusion Detection and Prevention (IDP) running on a chassis cluster, when there is a fabric data link failure, IDP processing will not be continued for existing sessions. (IDP processing will resume for sessions that are created after data link recovery.) |
The fabric data link is vital to the chassis cluster. If the link is unavailable, traffic forwarding and RTO synchronization are affected, which can result in loss of traffic and unpredictable system behavior.
To eliminate this possibility, JUNOS software detects fabric faults and disables one node of the cluster. It determines that a fabric fault has occurred if a fabric probe is not received but the fabric interface is active.
To recover from this state, you must reboot the disabled node. When you reboot it, the node synchronizes its state and real-time objects (RTOs) with the primary node.
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Note: If you make any changes to the configuration while the secondary node is disabled, execute the commit command to synchronize the configuration after you reboot the node. If you did not make configuration changes, the configuration file remains synchronized with that of the primary node. |
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