Reference documentation and code samples for the Compute Engine v1 API enum ForwardingRule.Types.IPProtocolEnum.
The IP protocol to which this rule applies. For protocol forwarding, valid options are TCP, UDP, ESP, AH, SCTP, ICMP and L3_DEFAULT. The valid IP protocols are different for different load balancing products as described in Load balancing features.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08 UTC."],[[["\u003cp\u003eThis webpage provides reference documentation for the \u003ccode\u003eForwardingRule.Types.IPProtocolEnum\u003c/code\u003e enum within the Google Cloud Compute Engine v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the enum is 3.6.0, with a comprehensive list of previous versions available, including versions all the way back to 1.0.0, accessible via their respective links.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIPProtocolEnum\u003c/code\u003e defines the valid IP protocols applicable to a forwarding rule, which can include TCP, UDP, ESP, AH, SCTP, ICMP, and L3_DEFAULT.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation highlights that the valid IP protocols vary across different load balancing products, and there is a link to a page with more specific details on each product.\u003c/p\u003e\n"],["\u003cp\u003eThe enum fields, such as \u003ccode\u003eAh\u003c/code\u003e, \u003ccode\u003eEsp\u003c/code\u003e, \u003ccode\u003eIcmp\u003c/code\u003e, \u003ccode\u003eL3Default\u003c/code\u003e, \u003ccode\u003eSctp\u003c/code\u003e, \u003ccode\u003eTcp\u003c/code\u003e, \u003ccode\u003eUdp\u003c/code\u003e, and \u003ccode\u003eUndefinedIPProtocolEnum\u003c/code\u003e, are listed with their corresponding descriptions, offering clarity on their purposes within the API.\u003c/p\u003e\n"]]],[],null,[]]
