Hello, Anyone can help to tell why the AP9120 cannot join c9800 with version 17.5 again. The AP could join the wlc before, now it cannot.
Thank you
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.0003] CAPWAP State: DTLS Setup
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.3423] First connect to vWLC, accept vWLC by default
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.3423]
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.3634]
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.3634] CAPWAP State: Join
Jul 21 02:16:53 kernel: [*07/21/2021 02:16:53.3723] Sending Join request to 10.0.10.99 through port 5264
Jul 21 02:16:57 kernel: [*07/21/2021 02:16:57.9381] Sending Join request to 10.0.10.99 through port 5264
Jul 21 02:17:02 kernel: [*07/21/2021 02:17:02.6897] Sending Join request to 10.0.10.99 through port 5264
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.0405]
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.0405] CAPWAP State: DTLS Teardown
Jul 21 02:17:50 upgrade: Script called with args:[ABORT]
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.1169] status 'upgrade.sh: Script called with args:[ABORT]'
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.1471] do ABORT, part2 is active part
Jul 21 02:17:50 upgrade: Cleanup tmp files ...
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.1669] status 'upgrade.sh: Cleanup tmp files ...'
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.1917] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: DTLS Teardown(4).
Jul 21 02:17:50 kernel: [*07/21/2021 02:17:50.1917] Discarding msg CAPWAP_WTP_EVENT_REQUEST(type 9) in CAPWAP state: DTLS Teardown(4).
Jul 21 02:18:04 kernel: [*07/21/2021 02:18:04.7853]
Jul 21 02:18:04 kernel: [*07/21/2021 02:18:04.7853] CAPWAP State: Discovery
Jul 21 02:18:04 kernel: [*07/21/2021 02:18:04.7874] Discovery Request sent to 10.0.10.99, discovery type STATIC_CONFIG(1)
