Continuous PARSE-ERROR and HTTP_REQ_BEGIN_ERR messages on 2504 Controller

[Cormac Champion]

Hi all,

I am getting a continuous stream of messages like the ones below on my 2504 WLC.

*webauthRedirect: Jul 22 23:05:25.275: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:25.275: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:25.266: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:25.266: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:25.225: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:25.225: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:25.141: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:25.141: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:23.846: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:23.846: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:23.808: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:23.808: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:22.377: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:22.377: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character
*webauthRedirect: Jul 22 23:05:22.366: %EMWEB-6-PARSE_ERROR: webauth_redirect.c:1477 parser exited. client mac= 54:ef:92:37:e4:30 bytes parsed = 0 and bytes read = 216
*webauthRedirect: Jul 22 23:05:22.366: %EMWEB-6-HTTP_REQ_BEGIN_ERR: http_parser.c:579 http request should begin with a character

I have an SSID for guest Wifi Access with Layer 3 as Passthrough and WebAuth is Customized Login Page is login.html.  This login.html is simply a button which users must confirm a button to say they accept T's & C's and the click on a connect button - simple and straightforward - and it works.

The actual Controller > Interface does NOT have Guest Lan ticked.  I have no wired guests.  

The WLC is simply connected to 2 x 2602 AP's connected to PoE ports 3 & 4

Thanks in advance

[Saravanan Lakshmanan]

What code does 2500 run.

If no functional issues associated with webauth then it could be cosmetic on console logging or msglog output based on where its seen. Try changing the log level to suppress them.

[Cormac Champion]

I'm running 8.2.110.0

I have logging at level Debugging because I have been trying to see why clients are supposely disconnecting after about 5 minutes.  I'm looking to simply see connections and dis-connections.  What logging level should I set ?

Do you think that the messages above are simply just messages, and that all is OK ?

[Scott Fella]

If you are using web-auth and the clients are disassociating every 5 minutes, look at your idle timer on the WLAN advanced tab (default is 300 seconds) or else enable sleeping client also on the WLAN under security tab and layer 3.  Either increase the ideal timer to say 8 hours or use the sleeping client feature.  Apple devices for example when they go to sleep will timeout after 5 minutes and then users have to login in again on the portal page. 

-Scott

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[Cormac Champion]

I turned OFF the Idle Client Timeout.  Sleeping Client was also OFF so I've now Ticked the Sleeping Client, and left it's default value at 720 min.

I had previously tried the Idle Timer with a high setting.