If you use the nm3tool, you can display a list of all the properties that the tool controls by issuing help.
[root@switch1 ~]# nm3tool help
/usr/local/bin/nm3tool:
apply Write config to OS config files
ip proto <dhcp|static>
ip address <x.x.x.x>
ip netmask <x.x.x.x>
ip broadcast <remove|x.x.x.x>
ip gateway <enable|disable|x.x.x.x>
dns source <ilom|local|none>
ilom: retrieve values from ilom xml
local: use locally stored values
none: disable dns
dns auto <yes|no>
yes: use settings from dhcp, override other settings
dns search <domain> [<domain> ...]
domain: Up to 6 domains
dns servers <server_ip> [<server_ip> ...]
server_ip: Max 3 servers
dns timeout <seconds>
seconds: Silently capped at 30
dns retries <attempts>
attempts: Silently capped at 5
ssh root <yes|no>
Usage:
nm3tool <apply|help|hostname|import_ilom_config|ipaddress|menu|show|timezone|upgrade|verify|version>
[root@ovn82-102 ~]#