127.0.0.1 localhost # 140.113.78.123 hp-xw6000 140.113.78.124 dell-t7500 # 10.42.0.1 dell-t7500.ompi.net dell-t7500 10.42.0.2 dell-m4800.ompi.net dell-m4800 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters