Guest

Preview Tool

Cisco Bug: CSCvu85569 - When IE3300 has Auto-QoS configured it prevents the AP from registering

Last Modified

Oct 05, 2020

Products (1)

  • Cisco Industrial Ethernet 3000 Series Switches

Known Affected Releases

16.10.1 16.11.1 16.12.1

Description (partial)

Symptom:
When the Auto-QoS is enabled  on a IE3300 interface, AP's off the port will fail to register to the WLC.
 
These are example log from AP and the WLC perspective during the issue.

AP:
*Jun 30 12:42:42.000: %CAPWAP-5-DTLSREQSEND: DTLS connection request sent peer_ip: 10.10.113.1 peer_port: 5246
*Jun 30 12:42:48.011: DTLS_CLIENT_ERROR: ../capwap/base_capwap/dtls/base_capwap_dtls_record.c:397 BD is not of DTLS Change Cipher Spec type
*Jun 30 12:42:48.011: %DTLS-5-SEND_ALERT: Send FATAL : Internal error Alert to 10.10.113.1:5246
*Jun 30 12:42:48.011: %DTLS-5-SEND_ALERT: Send FATAL : Close notify Alert to 10.10.113.1:5246


WLC:
*spamApTask5: Jun 30 12:32:07.339: cc:16:7e:25:84:10 No entry exists for AP (10.10.113.5/55361)
*spamApTask5: Jun 30 12:32:07.339: cc:16:7e:25:84:10 No AP entry exist in temporary database for 10.10.113.5:55361 
*spamApTask5: Jun 30 12:32:10.954: cc:16:7e:25:84:10 DTLS connection not found, creating new connection for 10.10.113.5 (55361) 10.10.113.1 (5246)

(Cisco Controller) >show ap sum

Number of APs.................................... 0

Global AP User Name.............................. Not Configured
Global AP Dot1x User Name........................ Not Configured
Global AP Dot1x EAP Method....................... EAP-FAST

Conditions:
The defect may be experienced  on IE3300 with Aotu-QoS enabled on 16.10.1, 16.11.1, and 16.12.1.

Within Auto-Qos policy there is a class-map named "Class-map: AutoQos-4.0-Default-Class" when this is part of the policy there will be a problem with the registration.

#show policy-map int gi 1/6
 GigabitEthernet1/6 

  Service-policy input: AutoQos-4.0-CiscoPhone-Input-Policy

    Class-map: AutoQos-4.0-Voip-Data-CiscoPhone-Class (match-any)  
      0 packets, 0 bytes
      5 minute offered rate 0000 bps, drop rate 0000 bps
      Match: ip dscp ef (46)

    Class-map: AutoQos-4.0-Voip-Signal-CiscoPhone-Class (match-any)  
      0 packets, 0 bytes
      5 minute offered rate 0000 bps, drop rate 0000 bps
      Match: ip dscp cs3 (24)

    Class-map: AutoQos-4.0-Default-Class (match-any)  <---------- Class map in question
      157 packets, 0 bytes
      5 minute offered rate 0000 bps, drop rate 0000 bps
      Match: access-group name AutoQos-4.0-Acl-Default

    Class-map: class-default (match-any)  
      0 packets, 0 bytes
      5 minute offered rate 0000 bps, drop rate 0000 bps
      Match: any
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.