If they are in the same layer 2 broadcast domain they should automatically merge together.
you can try this first
https://docs.netapp.com/us-en/ontap-cli/network-port-reachability-repair.html#description
pick one of the ports, run the command and check again.
you can also manually merge them together but that does not guarantee they will work correctly. Check the switch config and verify port configuration there.
you may want to run
system node run -node * options cdpd.enable on
system node run -node * options LLDP.enable on
wait about three minutes then run:
net device-discovery show -port e0e
m see if that matches what your network guy says
(of course if CDP and LLDP) are both disabled on the switches this won’t work.
good luck. Let us know