High number of connections lead to ONTAP firewall error ipfw.ReachedMaxStates causing CIFS and NFS outage
Applies to
- ONTAP 9
- CIFS
- NFS
Issue
- Event
ipfw.ReachedMaxStates
accompanied by NFS or CIFS outage - CIFS/NFS inaccessible intermitently
- External name-services are unavailable with error
permission denied
example
secd.conn.auth.failure:debug]: Vserver (svm1) could not make a connection over the network to server (ip 10.1.2.3, port 88). Error: Permission denied