In a NetScaler HA pair, which address is commonly used to perform management changes to ensure they affect the primary?

• A. Cluster IP address
• B. NetScaler IP address
• C. Subnet IP address
• D. Virtual IP address

Answer: (A)

In a NetScaler HA pair, the cluster IP address acts as the single management interface that always points to the active (primary) node. When you perform management changes through this address, those changes are applied to the primary unit because the cluster IP is the HA coordination point for the cluster. The other addresses serve different purposes: the NetScaler IP is a per-node management address, the Virtual IP is for user traffic, and the Subnet IP isn’t used as the primary management path. Using the cluster IP ensures your changes affect the primary, regardless of which unit is currently active.