Oracle 11g Release 2: Checking Network Status

Oracle has provided us some of the utility that can help DBA to know how to check the network settings that is currently used by Oracle RAC Database

To list the interface available to cluster

oifcfg iflist -p -n

To determine the public and private interface

oifcfg getif

To determine Virtual IP Address hostname, VIP Address, VIP Subnet and VIP Interface

srvctl config nodeapps -a

Hope this will help you out in your career and please feel free to leave your comments.