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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08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 page provides access to different versions of the \u003ccode\u003eIPProtocolEnum\u003c/code\u003e within the \u003ccode\u003eGoogle.Cloud.Compute.V1\u003c/code\u003e namespace, ranging from version 1.0.0 to the latest 3.6.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIPProtocolEnum\u003c/code\u003e defines the valid IP protocols applicable to a rule, with options such as TCP, UDP, ESP, AH, SCTP, ICMP, and L3_DEFAULT, depending on the specific load balancing product.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the IPProtocolEnum is 3.6.0, found at the top of the list, and the page includes several other versions, including 2.0.0, and previous ones going all the way back to 1.0.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eIPProtocolEnum\u003c/code\u003e has 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, with the latter indicating when the enum field is not set.\u003c/p\u003e\n"]]],[],null,[]]
