IBM rpc mount export: RPC: Unable to receive; errno = No route to host code example

Example: IBM rpc mount export: RPC: Unable to receive; errno = No route to host

firewall-cmd --permanent --add-service=rpc-bind
firewall-cmd --permanent --add-service=mountd
firewall-cmd --permanent --add-port=2049/tcp
firewall-cmd --permanent --add-port=2049/udp
firewall-cmd --reload