You're welcome, I'm glad this helped Maybe it should be documented in a knowledge base shared within the Cisco guys because honnestly, it's a tricky one.

Hi @larias,We've met something very similar on a huawei switch, not the same OS though. The issue was solved by tuning a parameter on the Huawei device ("VRP" OS), to disable keyboard interactive authentication( 'undo ssh server authentication-type k...