Gerne. Zuerst mal FreeBSD 12.2
ifconfig
root@mcp:~ # ifconfig
em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=812099<RXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC,VLAN_HWFILTER>
ether 00:1b:21:92:90:53
media: Ethernet autoselect...