By default, all network interface names visible at the general sysadmin level, are now simply called net0, net1, and so on. The inconsistency of names such as bge0, e1000g0, and ngxe0 are now hidden from view.

If you have different types of physical interface, and you need to know which netX name maps to which specific physical name, you can view mappings with:

dladm show-link

This command will show you all dladm level devices, including Virtual NICs and aggregation links. However, if you would like to narrow it down to just the ones associated with physical interfaces, you should use the following command:

dladm show-phys

Beyond that, what you most likely care even more about, after the initial setup, is which interface is being used for what purpose. Even more in this era of virtual services and zones, it is nice to know this information per IP address, rather than per interface. To that end, Solaris 11 associates IP address with user-named strings. Now if...