## mark a section (Learn more)

$ ifconfig udav0 udav0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 00:0a:79:64:b4:09 media: Ethernet autoselect (100baseTX full-duplex) status: active inet 192.168.0.10 netmask 0xffffff00 broadcast 192.168.0.255 inet6 fe80::20a:79ff:fe64:b409%udav0 prefixlen 64 scopeid 0x5 inet 192.168.0.11 netmask 0xffffffff broadcast 192.168.0.11 inet 192.168.0.12 netmask 0xffffffff broadcast 192.168.0.12 ifconfig / ifconfig -a is different, no aliases: lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33208 groups: lo inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x4 em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 00:0a:e4:3b:19:09 groups: egress media: Ethernet autoselect (100baseTX full-duplex) status: active inet6 fe80::20a:e4ff:fe3b:1909%em0 prefixlen 64 scopeid 0x1 inet 10.159.165.153 netmask 0xfffffe00 broadcast 10.159.165.255 ath0: flags=8822<BROADCAST,NOTRAILERS,SIMPLEX,MULTICAST> mtu 1500 lladdr 00:14:a4:44:cf:8f groups: wlan media: IEEE802.11 autoselect status: no network ieee80211: nwid "" enc0: flags=0<> mtu 1536 udav0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 00:0a:79:64:b4:09 media: Ethernet autoselect (100baseTX full-duplex) status: active inet 192.168.0.10 netmask 0xffffff00 broadcast 192.168.0.255 inet6 fe80::20a:79ff:fe64:b409%udav0 prefixlen 64 scopeid 0x5

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