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Cluster overview

August 1, 2023

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A NetScaler cluster is formed by grouping NetScaler appliances together. Based on the network location of the NetScaler appliances that you intend to add the cluster, you must be aware of the following cluster setups:

Note

Unless specified otherwise, cluster features and configurations are the same for L2 and L3 clusters.

L2 cluster: In this cluster deployment, all cluster nodes belong to the same network.
L3 cluster (also referred to as ‘cluster in INC mode’): In this cluster deployment, cluster nodes can belong to different networks. The cluster nodes from a specific network must be grouped into node groups that include only nodes from that network. From the following figure, we see that nodes n1, n2, n3 are in the same network and are grouped into Nodegroup1.

Similarly, the case for nodes n4 and n5, that are grouped in Nodegroup2. In the third network, there are two node groups. Nodegroup3 includes n6 and n7 and Nodegroup4 includes n8 and n9.

Note

Supported from NetScaler 11.0 onwards.
Sync State: The show cluster command displays the status of the cluster node. The following are the Sync States for the show cluster node command:
- Enable: This state shows that the node has the capability to do a configuration sync from other nodes.
- In-progress: This is a temporary state which is displayed when the node is syncing configurations from other nodes.
- Success: This state represents the status of the last sync that has happened on this node.

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Cluster overview

August 1, 2023

Contributed by:

August 1, 2023

Contributed by:

Cluster overview

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