Enabling static egress IP, causes random connection outages.

Solution In Progress - Updated -

Issue

  • Configured the static egress IP as per the documentation, however random communication outages are observed via that IP.
  • Random egressIP outages are observed when vxlan_monitor performs the egressVXLANMonitor checks.
I0601 16:02:34.045175   14443 vxlan_monitor.go:231] Node 10.0.0.1 may be offline... retrying
I0602 02:56:09.040928   14443 vxlan_monitor.go:231] Node 10.0.0.1 may be offline... retrying
W0602 05:26:09.042415   14443 vxlan_monitor.go:226] Node 10.0.0.1 is offline
I0602 05:26:14.040664   14443 vxlan_monitor.go:213] Node 10.0.0.1 is back online
I0602 05:31:39.039763   14443 vxlan_monitor.go:231] Node 10.0.0.1 may be offline... retrying
I0602 16:13:44.039254   14443 vxlan_monitor.go:231] Node 10.0.0.1 may be offline... retrying
W0603 03:56:34.039591   14443 vxlan_monitor.go:226] Node 10.0.0.1 is offline
I0603 03:56:39.039668   14443 vxlan_monitor.go:213] Node 10.0.0.1 is back online
  • As per source code, those retry checks should be performed within seconds, however same is not happening as per timestamps of check in above logs.

Environment

  • Red Hat OpenShift Container Platform v3.11
  • Static Egress IP configuration.

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