![]() ![]() Up ip rule add from xxx.xx.xx.xx lookup 1000ģ. Up ip route add xxx.xx.xx.xx dev eth1 table 1000 The following is an example of multiple IP addresses. ![]() Up ip rule add from xxx.xx.xx.xxx lookup 1000 Up ip route add xxx.xx.xx.xxx dev eth1 table 1000 Up ip route add default via xxx.xx.xx.x dev eth1 table 1000 Also, note that the gateway must be the first valid IP address in the subnet. Here, we need to change the IP address and gateway to our scenario. The following is an example for a single IP address. Then we create a configuration file for the secondary interface. Or, if the interface is running, we can change the name using: ip link set eth0 name ens4 & ip link set ens4 upĢ. To avoid inconsistency we can add the interface at launch time, or reboot the instance. However, for instances that support enhanced networking, we may find naming inconsistency Here, the primary interfaces are eth0, eth1, and so on. Initially, to get the name of the primary network interface, we run: ip a | grep ^] 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000Ģ: eth0: mtu 9001 qdisc pfifo_fast state UP group default qlen 1000ģ: eth1: mtu 1500 qdisc noop state DOWN group default qlen 1000 To do so, we need to either become the root user with sudo -i or run all commands with sudo.ġ. With a single file, we can create the secondary interface configuration file, configure the routing table, and set routing policy rules for Ubuntu. Moving ahead, let us see how our Support Techs perform this for our customers. Setup Secondary Network Interface in Ubuntu EC2 Set up rules in the custom routing table policy database so that traffic for the secondary interface uses the new routing table.In order to make the secondary interface work after we create it, we need to perform the following: Secondary Network Interface in Ubuntu EC2 Today, let us see how we can make the secondary network interface work in the Ubuntu Amazon EC2 instance. Here, at Bobcares, we assist our customers with several AWS queries as part of our AWS Support Services. Wondering how to setup a Secondary Network Interface in Ubuntu EC2? We can help you. ![]()
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