Cluster link aggregation, as the name suggests, is a group of interfaces of cluster nodes. It is an extension of NetScaler link aggregation. The only difference is that, while link aggregation requires the interfaces to be from the same device, in cluster link aggregation, the interfaces are from different nodes of the cluster. For more information about link aggregation, see "Configuring Link Aggregation".
Note: Cluster link aggregation is not supported on VPX appliances that are deployed on XenServer, AWS, and Hyper-V.
For example, consider a three-node cluster where all three nodes are connected to the upstream switch. A cluster LA channel (CLA/1) is formed by binding interfaces 0/1/2, 1/1/2, and 2/1/2.
A cluster LA channel has the following attributes: