The command may not be available by default on Ubuntu/Debian systems. On CentOS and Similar derivatives, you can use simply use the NetworkManager command line tool, nmcli. Create secondary IP addresses using nmcli command Create Permanent Virtual/Secondary IP addresses on an Interface in Linux Create Secondary IP addresses on CentOS and Similar RHEL derivatives. If you restart the networking/take the interface up and down or reboot your server, you will loose the assigned IP address. The addr and br are abbreviations for address and broadcast respectively.Ĭonfirming the secondary IP address assignment ip add show dev enp0s8 3: enp0s8: mtu 1500 qdisc fq_codel state UP group default qlen 1000 The primary IP address assigned to the interface is 192.168.56.108.Īssuming we want to temporarily assign a secondary IP address, 192.168.56.109, to the interface using the ip command ip addr add 192.168.56.109/24 br 192.168.56.255 dev enp0s8 In our example server, we have an interface called enp0s8.Ĭhecking the current IP address of the interface ip add show dev enp0s8 3: enp0s8: mtu 1500 qdisc fq_codel state UP group default qlen 1000 " parameters do not apply to the accelerated traffic, which is still monitored at the default inbound and outbound positions.įor more information about the inspection points, see the applicable table below.To use ip command to create/add secondary IP addresses to an interface, see the examples below.
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