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WLC 5760; bloated output on client debug

Hi all,

recently I tried to debug a client on the 5760 WLC. When I entered the debug client mac <MAC_addr> command the WLC immediately started to throw WCM related debug outputs which did not have anything to do with the client debugging itself. It made it virtually impossible to do a real-time analysis when those messages obfuscate the truly necessary ones.

For reference those are the debug switches, which are enabled when doing client debug mac

Nova Platform:

        dot11/state debugging is on

        pem/events debugging is on

        ft/events debugging is on

        client/mac-addr debugging is on

        dot11/detail debugging is on

        mac/ filters[string 1234.5678.9ab] debugging is on

        dot11/error debugging is on

        dot11/mobile debugging is on

        pem/state debugging is on


I think it started, when we did the upgrade of all WLCs from 03.02 to 03.03, because those are the same switches, which were enabled before and where I did not see those messages.

Here is an example of the bloat:

Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_1>  AP: <RND_AP_MAC_1> -00 thread:-114267280
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_1>  AP: <RND_AP_MAC_1> -00 thread:-114267280
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_2>  AP: <RND_AP_MAC_2> -00 thread:-114267280
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_2>  AP: <RND_AP_MAC_2> -00 thread:-114267280
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:37 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: local handle: d000016, remote handle:83000007, group handle: cc000006
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: Sent LLM client Add to FED.
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_3>  AP: <RND_AP_MAC_3> -00 thread:-114268168
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_3>  AP: <RND_AP_MAC_3> -00 thread:-114268168
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Epm spi response(12)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Session create resp - client handle 49be00000930ac session 7d010ca7
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Netflow session create resp - client handle 49be00000930ac sess 7d010ca7
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Epm spi response(12)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Init feature, client handle 49be00000930ac session 7d010ca7 authz 9a06002f
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Activate feature client handle 49be00000930ac sess 7d010ca7 authz 9a06002f
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Epm spi response(12)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_4>  AP: <RND_AP_MAC_4> -00 thread:-114267280
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_4>  AP: <RND_AP_MAC_4> -00 thread:-114267280
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Policy enforcement -  client handle 49be00000930ac session ba020080 authz 9a06002f
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: EPM: Netflow policy enforcement - client handle 49be00000930ac sess ba020080 authz 9a06002f msg_type 0 policy_status 0 attr len 0
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Epm spi response(12)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x7f5c0000092c50 code 1003
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_5>  AP: <RND_AP_MAC_5> -00 thread:-114268168
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Load Balancer: Success, Resource allocated are: Active Switch number: 1, Active Asic number : 2, Reserve Switch number 2 Reserve Asic number 2. AP Asic num 1
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_5>  AP: <RND_AP_MAC_5> -00 thread:-114268168
Jan 21 08:53:38 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x61cf40000930ae code 1001
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: local handle: d000016, remote handle:83000007, group handle: cc000006
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: Sent LLM client Add to FED.
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_6>  AP: <RND_AP_MAC_6> -00 thread:-114267280
Jan 21 08:53:39 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_6>  AP: <RND_AP_MAC_6> -00 thread:-114267280
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_3>  AP: <RND_AP_MAC_7> -00 thread:-114267280
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_3>  AP: <RND_AP_MAC_7> -00 thread:-114267280
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_7>  AP: <RND_AP_MAC_8> -00 thread:-114268168
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Load Balancer: Success, Resource allocated are: Active Switch number: 1, Active Asic number : 1, Reserve Switch number 2 Reserve Asic number 1. AP Asic num 1
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x782ac0000930af code 1001
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_7>  AP: <RND_AP_MAC_8> -00 thread:-114268168
Jan 21 08:53:40 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_8>  AP: <RND_AP_MAC_9> -00 thread:-114268168
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_8>  AP: <RND_AP_MAC_9> -00 thread:-114268168
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_8>  AP: <RND_AP_MAC_9> -00 thread:-114268168
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x4c740000092b7a code 1003
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_9>  AP: <RND_AP_MAC_10> -00 thread:-114268168
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_9>  AP: <RND_AP_MAC_10> -00 thread:-114268168
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x65088000093055 code 1003
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:41 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_10>  AP: <RND_AP_MAC_11> -01 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_10>  AP: <RND_AP_MAC_11> -01 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_11>  AP: <RND_AP_MAC_12> -00 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_11>  AP: <RND_AP_MAC_12> -00 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_12>  AP: <RND_AP_MAC_13> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_12>  AP: <RND_AP_MAC_13> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_13>  AP: <RND_AP_MAC_13> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_13>  AP: <RND_AP_MAC_13> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_14>  AP: <RND_AP_MAC_14> -01 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_14>  AP: <RND_AP_MAC_14> -01 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: local handle: d000016, remote handle:83000007, group handle: cc000006
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: Sent LLM client Add to FED.
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: local handle: d000016, remote handle:83000007, group handle: cc000006
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: LLM-SPI: Sent LLM client Add to FED.
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_15>  AP: <RND_AP_MAC_15> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_15>  AP: <RND_AP_MAC_15> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_15>  AP: <RND_AP_MAC_15> -00 thread:-114267280
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_16>  AP: <RND_AP_MAC_16> -01 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_16>  AP: <RND_AP_MAC_16> -01 thread:-114268168
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Add SCB(3)
Jan 21 08:53:42 UTC: %IOSXE-7-PLATFORM: 1 process wcm: WCDB_IIF: Ack Message ID: 0x56eac000092f60 code 1003
Jan 21 08:53:43 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Processing assoc-req station: <RND_Client_MAC_17>  AP: <RND_AP_MAC_13> -00 thread:-114267280
Jan 21 08:53:43 UTC: %IOSXE-7-PLATFORM: 1 process wcm: PEM recv processing msg Del SCB(4)
Jan 21 08:53:43 UTC: %IOSXE-7-PLATFORM: 1 process wcm: Sending assoc-resp station: <RND_Client_MAC_17>  AP: <RND_AP_MAC_13> -00 thread:-114267280


Does anyone know how to filter them out?

Best Regards,

Patrick

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New Member

WLC 5760; bloated output on client debug

After checking on each single debug together with the client mac filter it apparently seems the latter is not working and thus shows the debug for all connected clients.

Regards,

Patrick

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