Fix ODR-241/ODR-236: change vlan ID as optional value for install CentOS/RHEL
Fix ODR-241/ODR-236: change vlan ID as optional value for install CentOS/RHEL

lanchongyizu/on-http,keedya/on-http,larry-dean/on-http,keedya/on-http,lanchongyizu/on-http,keedya/on-http,RackHD/on-http,lanchongyizu/on-http,larry-dean/on-http,larry-dean/on-http,RackHD/on-http,keedya/on-http,larry-dean/on-http,RackHD/on-http,lanchongyizu/on-http,RackHD/on-http