1.Set IP address and default router
# ee /etc/rc.conf
Add content as following into /etc/rc.conf.
ifconfig_em0="inet 192.168.1.18 netmask 255.255.255.0"
defaultrouter="192.168.1.1"
2.Setting up DNS
# ee /etc/resolv.conf
add Content as following to /etc/resolv.conf
nameserver 8.8.8.8
nameserver 1.1.1.1
3. Restart network
# sh /etc/rc
# /etc/netstart
