SR-IOV VF LAG

Consider the following important notes:

• The bond must be configured in one of the following supported modes when using bridges. Other modes are not compatible.
  • active-backup
  • balance-xor
  • broadcast
  • 802.3ad
• Firmware requirements for bonding:
  • For active-backup mode: version 4.30 or newer
  • For all other supported modes: version 4.80 or newer
• Ensure the ice_​lag DDP package is loaded before proceeding with bond configuration.
• The bond requires exactly two ports from the same physical NIC.
• The primary port (first port added to the bond) must be configured in switchdev mode.
• In modes other than active/backup, traffic distribution is achieved through queue balancing. Half of each VF's queues are configured to use the secondary uplink when it is active. If a link failure occurs, all queues will be reconfigured to utilize the remaining uplink. The association of VF queues to uplink is deterministic. Therefore, after a failover recovery, queues return to their original uplink.
• Both bond member ports must have identical DCB configurations.
• Ensure the firmware LLDP agent is disabled on both bond member ports. If currently enabled, disable it before bond configuration. ethtool --show-priv-flags <PF> | grep fw-lldp-agent