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I found an answer here: Cisco MDS 9000 Family Switch-to-Switch Interoperability Configuration Guide
https://www.cisco.com/en/US/docs/storage/san_switches/mds9000/interoperability/guide/ICG_lim.html#wp1040121
Changing Interop Modes to Default Modes Pa...
How exactly can I change interop mode back to default?
Should I run
switch(config-vsan-db)#vsan 1 interop 0 ?
If I have a few vsans, should I run above command for each one?
Thanks,
Leo