Recently I restored my Flex System Manager to factory defaults. It was already managing a chassis, but I unmanaged and remanaged it.
I found an issue though: when I tried to upgrade my I/O Modules to the latest firmware level, I got an error stating that the IO Module was not able to connect to the FSM server as the host key was different than the one stored on the switch itself.
This was hapenning because I already upgraded those switch using the "old" FSM image.
In order to fix that you just need to clear the ssh host cache.
Here's the command for an EN4093/CN4093 switch:
Start an ssh session using Industry Standard Command line (iscli).
Type
ena
conf t
clar ssh-hostcache
That is it.
I still need to figure out the right command for the brocade switch. Any suggestion is more than welcome.
Roberta
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