Level 2 network info (physical status)

#dladm show-dev
bge0 link: up speed: 1000 Mbps duplex: full
bge1 link: up speed: 100 Mbps duplex: half
nxge0 link: up speed: 1000 Mbps duplex: full
nxge1 link: unknown speed: 1000 Mbps duplex: full
nxge2 link: unknown speed: 1000 Mbps duplex: full
nxge3 link: down speed: 1000 Mbps duplex: full
nxge4 link: up speed: 1000 Mbps duplex: full
nxge5 link: unknown speed: 1000 Mbps duplex: full
nxge6 link: up speed: 1000 Mbps duplex: full
nxge7 link: up speed: 100 Mbps duplex: full
clprivnet0 link: unknown speed: 0 Mbps duplex: unknown