CentOS/RHEL Linux 設定IP轉址與設定調整一臺主機多網卡之靜態route優先權
1. sudo vim /etc/sysctl.conf to modify net.ipv4.ip_forward or sudo sed -i 's/net.ipv4.ip_forward=0/ net.ipv4.ip_forward=1/g' /etc/sysctl.conf sysctl -p 2. permanent setting in /etc/sysconfig/newtork-scripts/route-eXXXX if nm-bond0 is default router touch /etc/sysconfig/network-scripts/route-enp2s0 echo '192.168.2.0/24 via 192.168.1.1 dev nm-bond0' >> /etc/sysconfig/network-scripts/route-enp2s0 $ route -n #route $ sudo route del default dev nm-bond0 $ sudo route del default dev enp2s0 $ sudo route add default via 192.168.1.1 netmask 0.0.0.0 dev nm-bond0 metric 0 $ sudo route add default via 192.168.1.1 netmask 0.0.0.0 dev enp2s0 metric 1 將 script 加入 /etc/rc.local，讓開機即可改變 #Centos Linux 7 nmcli connection show dev enp5s0 | grep ipv4 nmcli connection modify enp5s0 ipv4.route-metric 0 nmcli connection modify enp2s0 ipv4.route-metric 1 nmcli connection up enp5s0 nmcli connection up enp2s0 參考 https://unix.stackexcha...