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Cisco Bug: CSCvu47655 - WLC DP unexpectedly reloads due to max out IP Flow

Last Modified

Jul 28, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.5(161.0)

Description (partial)

Symptom:
The WLC crashes generating a crash and coredump file. The WLC may work fine after the reboot for some time and crash again. The wlc 5508 may or maynot generate the coredumo file.

Beginning of Crash File: talwardp2_DP0.crash
--------------------------------------------------------

                                ***   Start Cisco Data Plane Crash Handler    ***

Sys Name:           SGHWLC5520-06
Version:               8.5.161.0
Timestamp:        Wed May 27 16:24:14 2020
Uptime:                18 days 14 hrs 54 mins 51 secs
Data Plane ID:    0
Reason:                DP Exception

DP0 CORE19 DP crash dump done!

DP0 CORE19 crashed first!

Conditions:
When AVC/Netflow is enabled.
Caused by AVC flows exceeding the max supported flows, due to which there is corruption leading to crash.
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