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Community Member

WLC Message Log NPU and decoding error

Hi there

does someone know what the following errors are (what is NBU?) and how we can avoid them:

*Aug 18 13:47:56.434: %LWAPP-3-NPU_ERR: spam_44xx.c:177 Invalid NPU index 1344

*Aug 18 13:47:56.160: %CAPWAP-3-DECODE_ERR: capwap_ac_sm.c:1488 Error decoding discovery request from AP xx:xx:xx:xx:xx:xx

Thanks a lot and best regards

Dominic

1 ACCEPTED SOLUTION

Accepted Solutions

Re: WLC Message Log NPU and decoding error

Did you get this when you upgraded your controllers to CAPWAP version of code on the old APs that had previously been LWAPP? I suspect you did.

2 REPLIES

Re: WLC Message Log NPU and decoding error

Did you get this when you upgraded your controllers to CAPWAP version of code on the old APs that had previously been LWAPP? I suspect you did.

Community Member

Re: WLC Message Log NPU and decoding error

Hi Dennis

yes this is absolutly true. Now it's clear, I forgot that there is a protocol step from 5.0 to 5.2.

Thanks a lot and best regards

Dominic

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