Cisco Access Points Not Connecting To Controller AIR-CAP2702I-E-K9

[ishaq]

Hello Support,

I have trouble where Cisco Access Points AIR-CAP2702I-E-K9 Not Connecting To Controller

Below is the Error

*Jan 8 03:59:35.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: x.x.x.x peer_port: 5246
*Jan 8 03:59:35.347: %DTLS-5-ALERT: Received FATAL : Certificate unknown alert from x.x.x.
*Jan 8 03:59:35.347: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to x.x.x.x

How can I get this resolved

Regards,

Ishaq.

[Jurgens L]

Can you provide the following outputs on your WLC:
show sysinfo
show time

[ishaq]

Details Attached

[Sandeep Choudhary]

Correct the time on WLC.

If AP still fails to join then conenct console cable to AP and paste the complete bootup process.

Regards

Dont forget to rate helpful posts

[ishaq]

@ Sandeep

It worked

Thank you

[Leo Laohoo]

8.0.100.0.
That firmware is deferred. It is even vulnerable to KRACK.
For a WLC servicing APs in the ME, I'd reconsider using that version, particularly all the current hostile networking activities by adversaries.