About hlwankhayay

hlwankhayay · 11-04-2026

Hi everyone,I'm planning to upgrade a C9800-L-C-K9 from IOS XE 17.6.6a to 17.15.6.Our AP models are AIR-AP1852I and C9115AXI.The Cisco release notes show that a direct upgrade is supported, but the note below the table says that Cisco IOS XE 17.15.1 ...

hlwankhayay · 11-05-2026

hlwankhayay · 11-05-2026

Thank you for sharing!I've already checked that release note, but I'm confused because the upgrade path table indicates that a direct upgrade from 17.6.x to 17.15.x is supported, while the note below states that 17.12.3 is required first due to the i...

hlwankhayay · 11-04-2026

Since our APs are currently running on a WLC with IOS XE 17.6.6a, we'll upgrade to 17.12.3 first then to 17.15.6 to avoid AP image download issues.Thank you for your advice!

Member Since	‎11-04-2026 10:41 PM
Date Last Visited	‎11-05-2026 05:46 AM
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C9800-L 17.6.6a to 17.15.6 Direct Upgrade or Intermediate required?

Re: C9800-L 17.6.6a to 17.15.6 Direct Upgrade or Intermediate required

Re: C9800-L 17.6.6a to 17.15.6 Direct Upgrade or Intermediate required

Re: C9800-L 17.6.6a to 17.15.6 Direct Upgrade or Intermediate required