nsh NAT Unified Configuration (simple NAT example) hostname meow ! dns rules nameserver 8.8.8.8 nameserver 8.8.4.4 ! dns local-control ! interface lo0 group lo ip ::1/128 ip 127.0.0.1/8 ! interface vr0 group egress ip dhcp ! interface vr1 shutdown ! interface vr2 ip 172.31.3.1/24