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Cisco Bug: CSCvi86276 - Cisco WLC reloads unexpectedly on emWeb due to too many HTTP buffers received

Last Modified

Jun 04, 2018

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.6(101.0) 8.7(102.0) 8.7(2.58)

Description (partial)

Symptom:
WLC crash on emWeb task:
Task Name:	emWeb
Reason: 	System Crash

msglog would show errors similar to this:
*emWeb: Apr 04 15:42:26.022: %EMWEB-1-BUFFER_TOO_MANY: [PA]ews_net.c:677 Received too many Http buffers from a session. BufCount(73) > Max (72), BufLen= 6090. Aborting session.

Conditions:
crash trigger can be a command applied on CLI:
seen on 8540 when applying "show client detail <client_mac>"
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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