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  Summary Linux bond of multi-interface load balancing
     
  Add Date : 2018-11-21      
         
         
         
  Bond is more than one NIC aggregation function that comes with the linux kernel. This function can be achieved in various ways more than one network card under linux aggregated into a single logical network card, in order to achieve redundancy or load balancing. It has the following modes:

bond0: polling. Each interface used in rotation. We need to switch support. To configure the switch port to the polymerization.

bond1: primary and secondary. That is only one interface is in use, problems arise when the interface and then switch to another interface.

bond2: xor. Calculated according to the destination port used mac address data.

bond3: broadcast. All the data in each copy of the interfaces

bond4: lacp. Applicable 802.3ad. Similar bond2

bond5: load balancing of outgoing traffic

bond6: load balancing by modifying the ARP packet. That is the basis for the incoming arp request arp certain policy without using the reply.

Summary: As can be seen, linux mainly in the bond layer of Layer 2 links for load balancing and redundancy (namely, bond multiple interfaces even if the same segment of the network). In addition, many also need the support of the bond mode switch.
     
         
         
         
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