The
ae interface provides access to a 10 Mb/s Ethernet network via the National Semiconductor DP8390 Ethernet chip set. This set includes the DP83902.
Each of the host's network addresses is specified at boot time with an
SIOCSIFADDR ioctl(2). The
ae interface employs the address resolution protocol described in
arp(4) to dynamically map between Internet and Ethernet addresses on the local network.