cloud network_error ai_generated true

NAT gateway port allocation failed

ID: cloud/nat-gateway-limit

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
any active

Root Cause

NAT gateway ran out of ephemeral ports.

generic

Workarounds

  1. 88% success Increase minPortsPerVm or add more NAT IPs
  2. 85% success Reduce connection count with connection pooling and keep-alive

Dead Ends

Common approaches that don't work:

  1. Add more NAT gateways without planning 72% fail

    Increases cost without fixing root cause

  2. Remove NAT and use public IPs 80% fail

    Security risk, IP management complex