Cisco WLC Controller’larda klasik olan cisco Ap’ler ile Controller arasında haberleşmelerini sağlayan DTLS HANDSHAKE FAILURE hatası yaşanmaktadır bazı durumlarda bunun çözümü için tek yapmanız gereken aşağıdaki komutu CLİ üzerinden yazmanız ve controller’ı restart etmeniz olacak WLC restart olduğunda join olmayan AP’leriniz tekrar Join olacak ve çalışacaktır,
sihirli komut;
config config ap cert-expiry-ignore mic enable
*spamApTask6: Jan 01 02:33:03.312: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:33:02.799: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
*spamApTask1: Jan 01 02:33:01.133: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask2: Jan 01 02:31:51.406: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.117
*spamApTask6: Jan 01 02:31:48.320: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:31:47.811: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
–More– or (q)uit
*spamApTask1: Jan 01 02:31:46.140: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask2: Jan 01 02:30:36.418: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.117
*spamApTask6: Jan 01 02:30:33.326: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:30:32.819: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
*spamApTask1: Jan 01 02:30:31.149: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask2: Jan 01 02:29:31.426: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.117
*spamApTask6: Jan 01 02:29:28.333: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:29:27.831: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
*spamApTask1: Jan 01 02:29:26.155: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask2: Jan 01 02:28:26.436: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.117
*spamApTask6: Jan 01 02:28:23.340: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:28:22.840: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
*spamApTask1: Jan 01 02:28:21.161: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask2: Jan 01 02:27:11.445: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.117
*spamApTask6: Jan 01 02:27:08.353: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.116
*spamApTask7: Jan 01 02:27:07.853: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.114
*spamApTask1: Jan 01 02:27:06.169: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.115
*spamApTask1: Jan 01 02:25:34.981: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.110
*spamApTask2: Jan 01 02:25:32.845: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.112
*spamApTask3: Jan 01 02:25:32.828: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.113
*spamApTask2: Jan 01 02:25:32.179: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.111
*spamApTask1: Jan 01 02:24:19.991: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.110
*spamApTask2: Jan 01 02:24:17.858: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.112
–More– or (q)uit
*spamApTask3: Jan 01 02:24:17.836: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.113
*spamApTask2: Jan 01 02:24:17.188: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.111
*spamApTask1: Jan 01 02:23:14.998: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.110
*spamApTask2: Jan 01 02:23:12.863: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.112
*spamApTask3: Jan 01 02:23:12.840: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.113
*spamApTask2: Jan 01 02:23:12.195: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.111
*spamApTask1: Jan 01 02:22:10.008: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.110
*spamApTask2: Jan 01 02:22:07.873: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.112
*spamApTask3: Jan 01 02:22:07.850: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.113
*spamApTask2: Jan 01 02:22:07.202: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.111
*spamApTask1: Jan 01 02:20:55.017: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.110
*spamApTask2: Jan 01 02:20:52.882: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.112
*spamApTask3: Jan 01 02:20:52.859: %DTLS-3-HANDSHAKE_FAILURE: openssl_dtls.c:955 Failed to complete DTLS handshake with peer 10.3.10.113