The diagnostic code specifies the local system's reason for the last change in session state. This allows remote systems to determine the reason that the previous session failed, for example. These diagnostic codes are specified in section 4.1 of RFC5880
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-08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 details the \u003ccode\u003eDiagnostic\u003c/code\u003e enum within the \u003ccode\u003eGoogle.Cloud.Compute.V1\u003c/code\u003e namespace, specifically for the \u003ccode\u003eBfdPacket.Types\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for this component is \u003ccode\u003e3.6.0\u003c/code\u003e, with a comprehensive list of prior versions ranging from \u003ccode\u003e3.5.0\u003c/code\u003e down to \u003ccode\u003e1.0.0\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDiagnostic\u003c/code\u003e enum outlines various diagnostic codes, such as \u003ccode\u003eAdministrativelyDown\u003c/code\u003e, \u003ccode\u003ePathDown\u003c/code\u003e, and \u003ccode\u003eNoDiagnostic\u003c/code\u003e, which explain the reasons behind changes in the session state, as per section 4.1 of RFC5880.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eGoogle.Cloud.Compute.V1.dll\u003c/code\u003e assembly houses the \u003ccode\u003eDiagnostic\u003c/code\u003e enum, which helps remote systems identify the cause of previous session failures.\u003c/p\u003e\n"]]],[],null,[]]