After you have selected the addresses, netmasks and associated host/domain names you intend to use for IP resource hierarchies, add the appropriate entries to each server’s /etc/hosts file, and to the Domain Name Server (DNS), if used.

Do not configure the protected IP addresses into your system as you would if you were creating a permanent logical interface to be activated at system boot time. The LifeKeeper software will manage them instead of the system software.

If any of the resource addresses are on new (logical) subnets, update routers to handle routing to these subnets.


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