RHEL8 documentation:https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/pdf/configuring_and_managing_networking/Red_Hat_Enterprise_Linux-8-Configuring_and_managing_networking-en-US.pdf
RHEL8 documentation:https:/ /access. redhat. com/documentati on/en-us/ red_hat_ enterprise_ linux/8/ pdf/configuring _and_managing_ networking/ Red_Hat_ Enterprise_ Linux-8- Configuring_ and_managing_ networking- en-US.pdf