The DNS server is bound to a large number of IP addresses. Each of these server IP addresses consumes additional system resources ...

The DNS server is bound to a large number of IP addresses.  
Each of these server IP addresses consumes additional system resources and can  add a slight increase in performance overhead for DNS query reception.  In most  cases, you can remove secondary IP addresses that are not required to  support server networking hardware.  For more information, see "Configuring  multihomed servers" in the online Help.
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