How do I add IP aliases in FreeBSD

Consider Following Example
I have Realtek card having
Primary IP :
Want to add IP alises and

Where to add - Update /etc/rc.conf

ifconfig_rl0="inet netmask"
ifconfig_rl0_alias0="inet netmask"
ifconfig_rl0_alias1="inet netmask"

Bringing up the new IPs:

# /etc/ restart

NOTE THAT Please take extra caution while restartiing the network