Place these scripts in /etc/sysconfig/network-scripts on your RedHat/CentOS/Fedora system.

Sample configuration for a vxlan interface:

TYPE=VXLAN
DEVICE=vxlan1000
BOOTPROTO=none
ONBOOT=yes
TTL=255
VNI=1000
DSTPORT=4789
LOCAL_ADDR="192.168.1.1"
PHYS_DEV="eth0"
OPTIONS="nolearning"
BRIDGE="br1000"