SNAT Port Usage On Gateway Is High
" is seen continuously for SNAT IP, even though there are not many active connections2023-04-14T18:05:10.037Z nsxmgr-03 NSX 5281 MONITORING [nsx@6876 alarmId="927cab4a-####-####-####-36f3a55a14b5" alarmState="OPEN" comp="nsx-manager" entId="62a03bb6-####-####-####
-a7279c6a0ca6" errorCode="MP701099" eventFeatureName="nat" eventSev="CRITICAL" eventState="On" eventType="snat_port_usage_on_gateway_is_high" level="FATAL" nodeId="62a03bb6-####-####-####
-a7279c6a0ca6" subcomp="monitoring"] SNAT ports usage on logical router 42ecb79b-####-####-####
-c3e599c41862 for SNAT IP 10.10.10.10 has reached the high threshold value of 80%. New flows will not be SNATed when usage reaches the maximum limit.
VMware NSX-T Data Center
VMware NSX
This issue is resolved in VMware NSX 3.2.4
This issue is resolved in VMware NSX 4.2.0
Workaround:
Disable the alarm under "Alarm Definitions". This should avoid the alarm from appearing. It is safe to do so as the error is happening by bug and not because of SNAT ports running out.
Impact/Risks:
No impact to production, alarm is false positive