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GRE traffic fails to pass through a cluster after all cluster members are rebooted Technical Level
Symptoms
  • In a cluster with GRE configured over a Cluster Virtual IP:

    • GRE traffic fails to pass after all cluster members are rebooted at the same time.

    • Traffic capture shows that GRE traffic uses the IP address of a physical cluster interface instead of the Cluster Virtual IP to encapsulate the traffic.

Cause

While the cluster members reboot, the Cluster Virtual IP address is not available.


Solution
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