EC2 Multiple IPS

mutiple_ips.sh

#Creting network interfaces - ENIs
aws ec2 create-network-interface --subnet-id subnet-002f9xxx
aws ec2 create-network-interface --subnet-id subnet-002f9xxx

#Getting EIPs
aws ec2 allocate-address
aws ec2 allocate-address

#Associating EIPs to ENIs
aws ec2 associate-address --network-interface-id eni-xxxxxxx --allocation-id eipalloc-xxxxxxxx
aws ec2 associate-address --network-interface-id eni-xxxxxxx --allocation-id eipalloc-xxxxxxxx

#Check security groups

#Changing metric for eth1
sudo route add -net default gw 172.31.16.1 netmask 0.0.0.0 dev eth1 metric 1

#Removing default route through interface eth0
sudo route del -net default gw 172.31.16.1 netmask 0.0.0.0 dev eth0 metric 0