Guest

Preview Tool

Cisco Bug: CSCvi07026 - Wireless clients unable to connect when AP link encryption enabled on IOS APs

Last Modified

Oct 23, 2019

Products (1)

  • Cisco Aironet 3700 Series Access Points

Known Affected Releases

8.3(133.0) 8.3(140.0) 8.5(110.0)

Description (partial)

Symptom:
Wireless clients are unable to connect when the AP link encryption enabled

Conditions:
WLC 5520 running on 8.5.110.0 and AP model 3702. 
AP on Local model and AP link encyrption enabled on the Ap-> advanced settings
Wireless clients are able to see the SSID but unable to connect. The AP DTLS debugs shows the below error continuously. However the AP is registered on the WLC with no issues and the UP time increasing

*Feb  2 05:38:21.899: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 10.210.60.245:5247
*Feb  2 05:38:31.899: %CAPWAP-6-DATA_DTLS_START: Starting Data DTLS handshake. Wireless client traffic will be blocked until DTLS tunnel is established.
*Feb  2 05:39:02.691: DTLS_CLIENT_ERROR: ../capwap/base_capwap/dtls/base_capwap_dtls_connection_db.c:2214 Max retransmission count reached for Connection 0xE0BC03C!
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.