[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[],[],null,["# Concepts\n\n- [### Cloud NAT overview\n Get an overview of how Cloud NAT allows VM instances without\n external IP addresses and private GKE clusters to send\n outbound packets to the internet and\n receive any corresponding established inbound response packets.](/nat/docs/overview)\n- [### Cloud NAT address and port overview\n Learn how Cloud NAT gateways use external IP addresses and\n allocate source ports to Compute Engine VM instances and GKE\n nodes that use the gateways.](/nat/docs/ports-and-addresses)"]]
