Mixed data · Cisco verified from Cisco EOL bulletins · other vendors still sample (flagged on each record)
Hardware · Switch hardware
AIR-CT5520-CA-K9
5500 Series Wireless Controllers —
EOSL — PAST17 mo
past end of service life
Lifecycle position
now
availableend of saleservice
Available—
End of saleDec 2021
Last security firmwareSW maintenance ended 2023-01
Options from here
Third-party maintenanceCovered past the OEM cutoff, typically well below renewal pricing.
Pre-stock sparesModules and units still circulate on the secondary market.
Schedule migrationCarrying production traffic? Set the replacement window now, not mid-outage.
Run to failureLow-criticality role — document the risk, harden backups, retire on your terms.
Other SKUs in Series Wireless Controllers
COMPARE SUPPORT PROVIDERSModule mounts here once partners are live.