Packet drops due to an Endpoint-Independent Mapping conflict
This insight indicates that the Cloud NAT gateway is dropping packets
due to an Endpoint-Independent Mapping conflict.
The insight includes the following information:
NAT gateway name: name of the Cloud NAT gateway.
Router name: name of the Cloud Router where the
Cloud NAT is configured.
Monitoring dashboard: link to the Cloud NAT monitoring
dashboard.
Project: ID of the Google Cloud project containing the Cloud NAT gateway.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Cloud NAT insights\n\nThis page describes the Network Analyzer insights for Cloud NAT.\nFor information about all the insight types, see\n[Insight groups and types](/network-intelligence-center/docs/network-analyzer/insight-groups-types).\n\nPacket drops due to insufficient resources\n------------------------------------------\n\nThis insight indicates that the Cloud NAT gateway is dropping packets\ndue to insufficient ports. The insight includes the following information:\n\n- **NAT gateway name**: name of the Cloud NAT gateway.\n- **Router name**: name of the Cloud Router where the Cloud NAT is configured.\n- **Monitoring dashboard**: link to the Cloud NAT monitoring dashboard.\n- **Project**: ID of the Google Cloud project containing the Cloud NAT gateway.\n\n### Recommendations\n\nTo resolve this issue, see\n[Packets dropped with reason: out of resources](/nat/docs/troubleshooting#insufficient-ports).\n\nPacket drops due to an Endpoint-Independent Mapping conflict\n------------------------------------------------------------\n\nThis insight indicates that the Cloud NAT gateway is dropping packets\ndue to an [Endpoint-Independent Mapping conflict](/nat/docs/ports-and-addresses#ports-reuse-endpoints).\nThe insight includes the following information:\n\n- **NAT gateway name**: name of the Cloud NAT gateway.\n- **Router name**: name of the Cloud Router where the Cloud NAT is configured.\n- **Monitoring dashboard**: link to the Cloud NAT monitoring dashboard.\n- **Project**: ID of the Google Cloud project containing the Cloud NAT gateway.\n\n### Recommendations\n\nTo resolve this issue, see\n[Packets dropped with reason: endpoint independence conflict](/nat/docs/troubleshooting#endpoint-independent-conflict)."]]
