Nov 25, 2023 · Learn how to add a secondary IP address and assign a label using Netplan in Linux. This article provides step-by-step instructions and tips for configuring network settings.

You can supernet and subnet the routes but you need to make sure that it fits together. You'll need to sort out subnet addresses and masks. If you use 10.10.0.0/16 you can use 10.22.0.0/16 as a distinct subnet but you'll need a router with an interface within each subnet.

Mar 18, 2024 · To create temporary virtual/secondary IP addresses on an interface in Linux, you can use commands such as ip, ifconfig. To use ip command to create/add secondary IP addresses to an interface, see the examples below.

Feb 2, 1998 · You can add multiple "static" routes through one router, or routes can use as many routers/gateways as needed. You can view the table of known routes with the command netstat -rn

May 12, 2021 · To add secondary IP address permanently on Ubuntu system, edit '/etc/network/interfaces' file and add the required details. We should not add secondary IP address after ‘dns-nameservers’ because it wont work and …

If you need an additional IP address just for the moment you can add it to any interface on your machine with. sudo ip address add <ip-address>/<prefix-length> dev <interface> for instance. sudo ip address add 172.16.100.17/24 dev eth0 would add 172.16.100.17 using a 24 bit network prefix to the list of addresses configured for your eth0.

Mar 23, 2019 · There are different ways of adding a secondary IP address to a RHEL / CentOS network interface. This guide will discuss manually creating a network configuration file and using Network Manager CLI tool – nmcli. The first method involve creating a sub-interface configuration file and populating network information into it.

To make the secondary interface work after you create it, complete the following steps: Configure the routing table. Set up rules in the custom routing table policy database so that traffic for the secondary interface uses the new routing table.

Apr 14, 2025 · Learn how to configure multiple network interfaces on Ubuntu 20.04. Set up static and secondary IP addresses to enable your server to respond to multiple IPs and improve network management.

Oct 6, 2019 · To add additional address, use the following command: ip addr add 10.6.19.19/24 dev bond0 You shouldn't require any additional routing configuration since the addresses are on an existing subnet.