What is the best bonding or teaming mode for TCP traffic such as NFS, ISCSI, CIFS, etc?

Solution Verified - Updated -

Issue

  • What is the best bonding mode for TCP traffic such as NFS and Samba/CIFS?
  • NFS repeatedly logs nfs: server not responding, still trying when no network issue is present
  • A packet capture displays many TCP retransmission, TCP Out-of-order, RPC retransmission, when there should be no reason for this.

Environment

  • Red Hat Enterprise Linux (all versions)
  • Bonding or Teaming
  • Large streaming TCP traffic such as NFS, Samba/CIFS, ISCSI, rsync over SSH/SCP, backups

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