Cisco 5508 WLC - 5500 heartbeat message - Did not receive heartbeat

paulmithun · ‎04-05-2023

We are getting multiple log for cisco 5508 wlc like "5500 heartbeat message - Did not receive heartbeat reply". The WLC is running with 8.2.167.1. Not getting suitable document to resolve it. There is no Latency issue.

Please let me know if anyone has faced this issue and resolved it permanently.

marce1000 · ‎04-05-2023

- For starters 8.2.x is old (and the 5508 is EOL) ; use https://software.cisco.com/download/specialrelease/8f166c6d88b9f77aabb63f78affa9749
then check if the problem is still present ,

M.

-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

Rich R · ‎04-06-2023

Like Marce said that version of software is unsupportable.

Upgrade to 8.5.182.7 (presuming your APs are supported - see compatibility matrix below) and if you still see the problem then open a TAC case with Cisco.

Meanwhile you need to start planning hardware upgrade.

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TAC recommended codes for AireOS WLC's and TAC recommended codes for 9800 WLC's
Best Practices for AireOS WLC's, Best Practices for 9800 WLC's and Cisco Wireless compatibility matrix
Check your 9800 WLC config with Wireless Config Analyzer using "show tech wireless" output or "config paging disable" then "show run-config" output on AireOS and use Wireless Debug Analyzer to analyze your WLC client debugs
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