IntroductionNGX DebuggingSIC TroubleshootingPacket Analysissnooptcpdumpfw monitorCPethereal and WiresharkLog TroubleshootingVPN AnalysisEncryption failure, decrypted methods did not match ruleReceived notification from peer: no proposal chosenCannot identify peer for encrypted connectionEncryption failure: packet is dropped as there is no valid SAEncryption failure: Clear text packet should be encrypted or clear text packet received within an encrypted packetEncryption Failure: Packet was decrypted, but policy says connection should not be decryptedVPN Client AnalysisClusterXL TroubleshootingSummarySolutions Fast TrackNGX DebuggingPacket AnalysisLog TroubleshootingVPN AnalysisVPN Client AnalysisClusterXL TroubleshootingFrequently Asked Questions