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2504 WLC drops connection

Hi to all,

Please help me with my issue. Our company is the owner of Cisco 2504 WLC + 3 Cisco Aironet 1600 AIR-CAP1602I-E-K9 Access Points. One of them in Rogue Detection mode.

Sometimes all of my wireless clients disconnecting from WLANs and connectiong againg after 1-2 seconds. I check the logs and what I found:

######

*apfReceiveTask: Feb 11 17:59:00.817: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

*apfReceiveTask: Feb 11 17:58:26.563: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

*spamApTask6: Feb 11 17:58:11.253: #LOG-3-Q_IND: mm_aplist.c:725 Could not delete an AP from the AP list.

*apfReceiveTask: Feb 11 17:58:06.663: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

*spamApTask7: Feb 11 17:58:06.655: #CAPWAP-3-ECHO_ERR: capwap_ac_sm.c:6655 Did not receive heartbeat reply; AP: c0:7b:bc:6b:b4:50

*spamReceiveTask: Feb 11 17:57:31.236: #LOG-3-Q_IND: mm_aplist.c:725 Could not delete an AP from the AP list.

*apfReceiveTask: Feb 11 17:57:31.236: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

*spamApTask7: Feb 11 17:57:31.226: #CAPWAP-3-ECHO_ERR: capwap_ac_sm.c:6655 Did not receive heartbeat reply; AP: c0:7b:bc:f0:4d:40

*apfReceiveTask: Feb 11 17:56:36.594: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

*apfReceiveTask: Feb 11 17:53:57.837: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.

######

Could you please assist me with this issue, Thanks in advance

Elbrus

Everyone's tags (5)
5 REPLIES
Hall of Fame Super Silver

2504 WLC drops connection

Disable RLDP if you have that enabled.  Post your show wlan

Thanks,

Scott

*****Help out other by using the rating system and marking answered questions as "Answered"*****

-Scott
*** Please rate helpful posts ***
New Member

Re: 2504 WLC drops connection

Hi Scott,

(Cisco Controller) >show wlan 1

WLAN Identifier.................................. 1

Profile Name..................................... XXXX Staff

Network Name (SSID).............................. XXXX

Status........................................... Enabled

MAC Filtering.................................... Disabled

Broadcast SSID................................... Enabled

AAA Policy Override.............................. Disabled

Network Admission Control

Client Profiling Status

    Radius Profiling ............................ Disabled

     DHCP ....................................... Disabled

     HTTP ....................................... Disabled

    Local Profiling ............................. Disabled

     DHCP ....................................... Disabled

     HTTP ....................................... Disabled

  Radius-NAC State............................... Disabled

  SNMP-NAC State................................. Disabled

  Quarantine VLAN................................ 0

Maximum number of Associated Clients............. 0

Maximum number of Clients per AP Radio........... 200

Number of Active Clients......................... 12

Exclusionlist Timeout............................ 60 seconds

Session Timeout.................................. 1800 seconds

User Idle Timeout................................ Disabled

Sleep Client..................................... disable

Sleep Client Timeout............................. 12 hours

User Idle Threshold.............................. 0 Bytes

NAS-identifier................................... CiscoWLC

CHD per WLAN..................................... Enabled

Webauth DHCP exclusion........................... Disabled

Interface........................................ management

Multicast Interface.............................. Not Configured

WLAN IPv4 ACL.................................... unconfigured

WLAN IPv6 ACL.................................... unconfigured

WLAN Layer2 ACL.................................. unconfigured

mDNS Status...................................... Enabled

mDNS Profile Name................................ default-mdns-profile

DHCP Server...................................... Default

DHCP Address Assignment Required................. Disabled

Static IP client tunneling....................... Disabled

Quality of Service............................... Silver

Per-SSID Rate Limits............................. Upstream      Downstream

Average Data Rate................................   0             0

Average Realtime Data Rate.......................   0             0

Burst Data Rate..................................   0             0

Burst Realtime Data Rate.........................   0             0

Per-Client Rate Limits........................... Upstream      Downstream

Average Data Rate................................   0             0

Average Realtime Data Rate.......................   0             0

Burst Data Rate..................................   0             0

Burst Realtime Data Rate.........................   0             0

Scan Defer Priority.............................. 4,5,6

Scan Defer Time.................................. 100 milliseconds

WMM.............................................. Allowed

WMM UAPSD Compliant Client Support............... Disabled

Media Stream Multicast-direct.................... Disabled

CCX - AironetIe Support.......................... Enabled

CCX - Gratuitous ProbeResponse (GPR)............. Disabled

CCX - Diagnostics Channel Capability............. Disabled

Dot11-Phone Mode (7920).......................... Disabled

Wired Protocol................................... None

Passive Client Feature........................... Disabled

Peer-to-Peer Blocking Action..................... Disabled

Radio Policy..................................... All

DTIM period for 802.11a radio.................... 1

DTIM period for 802.11b radio.................... 1

Radius Servers

   Authentication................................ 192.168.0.101 1812

   Accounting.................................... 192.168.0.101 1813

      Interim Update............................. Disabled

      Framed IPv6 Acct AVP ...................... Prefix

   Dynamic Interface............................. Disabled

   Dynamic Interface Priority.................... wlan

Local EAP Authentication......................... Disabled

Security

   802.11 Authentication:........................ Open System

   FT Support.................................... Disabled

   Static WEP Keys............................... Disabled

   802.1X........................................ Disabled

   Wi-Fi Protected Access (WPA/WPA2)............. Enabled

      WPA (SSN IE)............................... Disabled

      WPA2 (RSN IE).............................. Enabled

         TKIP Cipher............................. Disabled

         AES Cipher.............................. Enabled

                                                               Auth Key Management

         802.1x.................................. Enabled

         PSK..................................... Disabled

         CCKM.................................... Disabled

         FT-1X(802.11r).......................... Disabled

         FT-PSK(802.11r)......................... Disabled

         PMF-1X(802.11w)......................... Disabled

         PMF-PSK(802.11w)........................ Disabled

      FT Reassociation Timeout................... 20

      FT Over-The-DS mode........................ Enabled

      GTK Randomization.......................... Disabled

      SKC Cache Support.......................... Disabled

      CCKM TSF Tolerance......................... 1000

   WAPI.......................................... Disabled

   Wi-Fi Direct policy configured................ Disabled

   EAP-Passthrough............................... Disabled

   CKIP ......................................... Disabled

   Web Based Authentication...................... Disabled

   Web-Passthrough............................... Disabled

   Conditional Web Redirect...................... Disabled

   Splash-Page Web Redirect...................... Disabled

   Auto Anchor................................... Disabled

   FlexConnect Local Switching................... Disabled

   flexconnect Central Dhcp Flag................. Disabled

   flexconnect nat-pat Flag...................... Disabled

   flexconnect Dns Override Flag................. Disabled

   flexconnect PPPoE pass-through................ Disabled

   flexconnect local-switching IP-source-guar.... Disabled

   FlexConnect Vlan based Central Switching ..... Disabled

   FlexConnect Local Authentication.............. Disabled

   FlexConnect Learn IP Address.................. Enabled

   Client MFP.................................... Optional

   PMF........................................... Disabled

   PMF Association Comeback Time................. 1

   PMF SA Query RetryTimeout..................... 200

   Tkip MIC Countermeasure Hold-down Timer....... 60

AVC Visibilty.................................... Disabled

AVC Profile Name................................. None

Flow Monitor Name................................ None

Split Tunnel (Printers).......................... Disabled

Call Snooping.................................... Disabled

Roamed Call Re-Anchor Policy..................... Disabled

SIP CAC Fail Send-486-Busy Policy................ Enabled

SIP CAC Fail Send Dis-Association Policy......... Disabled

KTS based CAC Policy............................. Disabled

Assisted Roaming Prediction Optimization......... Disabled

802.11k Neighbor List............................ Disabled

802.11k Neighbor List Dual Band.................. Disabled

Band Select...................................... Disabled

Load Balancing................................... Disabled

Multicast Buffer................................. Disabled

Mobility Anchor List

WLAN ID     IP Address            Status

-------     ---------------       ------

802.11u........................................ Disabled

MSAP Services.................................. Disabled

Local Policy

----------------

Priority  Policy Name

--------  ---------------

(Cisco Controller) >

P.S.Rogue Location Discovery Protocol was disabled

Hall of Fame Super Silver

2504 WLC drops connection

The wlan looks fine.... if RLDP was disabled, then it might be something else.  I would try to isoloate the issue with certain devices and then also look at those devices. 

Per this link:

http://www.cisco.com/en/US/docs/wireless/controller/message/guide/msgs7.html

Error Message    %MM-3-APENTRY_DEL_FAILED: Could not delete an AP from the AP list. 

Explanation    Internal system error

Recommended Action    If this message recurs, copy the message exactly as it appears on the console  or in the system log. Research and attempt to resolve the issue using the tools and utilities provided  at http://www.cisco.com/tac. With some messages, these tools and utilities will supply clarifying  information. Search for resolved software issues using the Bug Toolkit at  http://tools.cisco.com/Support/BugToolKit/. If you still require assistance, open a case with the  Technical Assistance Center via the Internet at  http://tools.cisco.com/ServiceRequestTool/create/launch.do, or contact your Cisco technical  support representative and provide the representative with the information you have gathered.

Thanks,

Scott

*****Help out other by using the rating system and marking answered questions as "Answered"*****

-Scott
*** Please rate helpful posts ***
VIP Purple

Re: 2504 WLC drops connection

 

######

*apfReceiveTask: Feb 11 17:59:00.817: #MM-3-APENTRY_DEL_FAILED: mm_aplist.c:725 Could not delete an AP from the AP list.


Its a Internal system error.

You must raise a TAC case and try to solve with them.

Hope it helps.

Regards

Dont forget to rate helpful posts

New Member

Re: 2504 WLC drops connection

Thanks guys!

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