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Balance-tlb mode provides load balancing and fault tolerance.īalance-alb is similar to balance-tlb but also attempts to redistribute incoming (receive load balancing) for IPV4 traffic. If the receiving Ethernet interface fails, the other slave takes over the MAC address of the failed receiving slave. Incoming traffic is received by the current Ethernet interface. The outgoing traffic is distributed according to the current load on each Ethernet interface (computed relative to the speed). Dynamic Link Aggregation mode provides load balancing and fault tolerance but requires a switch that supports IEEE 802.3ad with LACP mode properly configured.īalance-tlb (Adaptive Transmit Load Balancing)īalance-tlb uses channel bonding that does not require any special switch. It utilizes all slaves in the active aggregator according to the 802.3ad specification.
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This mode provides fault tolerance.ĭynamic Link Aggregation uses a complex algorithm to aggregate adapters by speed and duplex settings. Balance XOR mode provides load balancing and fault tolerance.īroadcast sends traffic on both network interfaces. Alternate transmit policies may be selected via the xmit_hash_policy option. The default policy is a simple slave count operating on Layer 2 where the source MAC address is coupled with destination MAC address. It transmits based on the selected transmit hash policy. Active Backup mode provides fault tolerance.īalance XOR balances traffic by splitting up outgoing packets between the Ethernet interfaces, using the same one for each specific destination when possible. The bond's MAC address is only visible externally on one port (network adapter) to avoid confusing the switch. Only one interface in the bond is active.
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It switches to the second Ethernet interface if the first Ethernet interface does not work properly. Make sure static trunking is enabled on the switch.Īctive Backup uses only one Ethernet interface. Balance-rr provides load balancing and fault tolerance. This mode transmits packets in sequential order from the first available slave through the last. Round-Robin mode is good for general purpose load balancing between two Ethernet interfaces.