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Huawei IN200 NIC User Guide 07

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The RoCE bonding supports three modes: Active-backup mode1, Balance-XOR mode2, and 802.3ad mode4.

  • Active-backup mode1: Only one device is active. If the active device fails, the other device becomes active. The MAC address is visible externally. The MAC address of the bonding in this mode is unique, preventing switch access disorders. This mode provides only the fault tolerance capability and high availability of network connections, but the resource utilization is low.
    Figure 6-1 shows Active-backup mode1.
    Figure 6-1 Active-backup mode1
  • Balance-XOR mode2: Data is transmitted based on the selected hash policy. This mode provides load balancing and fault tolerance capabilities.
  • 802.3ad mode4: IEEE 802.3ad dynamic link aggregation mode. You can create an aggregation group that shares the same rate and duplex settings. Multiple devices can work in the same aggregation group that has been activated based on 802.3ad.
    Figure 6-2 shows Balance-XOR mode2 and 802.3ad mode4.
    Figure 6-2 Balance-XOR mode2/802.3ad mode4
Updated: 2019-11-19

Document ID: EDOC1100063073

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