Data ONTAP Discussions
Does Snapmirror require bi-directional communication? Meaning if there are two firewalls between two filers does port 10566 need to be open on both?
See The Solution
Please check this KB https://now.netapp.com/Knowledgebase/solutionarea.asp?id=ntapcs15894
Yes, both direction has to communicate as if you are doing one from another...