Displays system capabilities of the extreme device.
module: extreme-system-capabilities
+--ro capabilities
+--ro power
| +--ro lc_sfm? boolean
| +--ro psu_on_off? boolean
+--ro temperature
| +--ro tmpr_detail? boolean
+--ro qos
| +--ro mls
| | +--ro qos-intf-default-cos? boolean
| | +--ro qos-intf-default-traffic-class? boolean
| | +--ro flowcontrol
| | +--ro clear-qos-flowcontrol-statistics? boolean
| +--ro mqc
| +--ro span? boolean
| +--ro vlan-based-actions? boolean
| +--ro bd-based-actions? boolean
+--ro l3
| +--ro rpf? boolean
+--ro l2
| +--ro port_profile? boolean
| +--ro overlap_vlan? boolean
| +--ro rspan? boolean
| +--ro mac_move? boolean
| +--ro consistency_check? boolean
| +--ro learning_mode? boolean
| +--ro priority_tag? boolean
| +--ro internal_nsm? boolean
+--ro ipv6
| +--ro ipv6Raguard? boolean
+--ro ssm
| +--ro aclTrafficType? boolean
+--ro lag
| +--ro PortchannelRedundancy? boolean
+--ro license
| +--ro eula_display? boolean
| +--ro dpod_display? boolean
| +--ro slot_display? boolean
+--ro tm? boolean
+--ro overlay
| +--ro gre? boolean
| +--ro vxlan
| +--ro hardware-vtep? boolean
| +--ro vtep-ip-ve? boolean
| +--ro vxlan-tunnel-bfd? boolean
| +--ro vxlan-tunnel-mac-learn-protocol-bgp? boolean
+--ro openflow
| +--ro ingress? boolean
+--ro vlan
+--ro vlan-ipv6? boolean