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How to add second IPv4 Public IP to amazon Linux EC2 instance


multiple default gateways for alias interfacestwo NICs in the same subnet— need to set up routingHow can I set the “default route” when an interface has multiple IPs?Can I use a single gateway with multiple/2 lan cards in linuxCan't SSH in to cloned EC2 server from public networkGetting Public IP address of EC2 instance from outside using AWS-cliNetwork interface crashes after disconnecting eth wire or restarting servicehow to redirect all outgoing traffic from default eth0 to eth1 in centos 6Networking configuration in linuxCan you assign different DNS servers to different network interfaces?













0















I have EC2 instance (Linux OS) and I added second network interface to it. I got public Elastic IP and assigned to the network interface. Then I assigned network interface to the EC2 Instance.



When I run on EC2 Instance



ifconfig


I get eth0 and eth1 info with private IP addresses correctly assigned. When I select "Manage IP addresses" for my EC2 Instance on AWS I get:
enter image description here



Both network interfaces are in the same subnet and security group. I can ping public IP for eth0 but I can not ping public IP for eth1.



What am I missing?



UPDATE:
I noticed that Public DNS of second (IP 52.27.x.x) is exactly the same as for first IP 34.212.x.x






linux network-interface aws







share|improve this question




























    0















    I have EC2 instance (Linux OS) and I added second network interface to it. I got public Elastic IP and assigned to the network interface. Then I assigned network interface to the EC2 Instance.



    When I run on EC2 Instance



    ifconfig


    I get eth0 and eth1 info with private IP addresses correctly assigned. When I select "Manage IP addresses" for my EC2 Instance on AWS I get:
    enter image description here



    Both network interfaces are in the same subnet and security group. I can ping public IP for eth0 but I can not ping public IP for eth1.



    What am I missing?



    UPDATE:
    I noticed that Public DNS of second (IP 52.27.x.x) is exactly the same as for first IP 34.212.x.x






    linux network-interface aws







    share|improve this question


























      0












      0








      0


      1






      I have EC2 instance (Linux OS) and I added second network interface to it. I got public Elastic IP and assigned to the network interface. Then I assigned network interface to the EC2 Instance.



      When I run on EC2 Instance



      ifconfig


      I get eth0 and eth1 info with private IP addresses correctly assigned. When I select "Manage IP addresses" for my EC2 Instance on AWS I get:
      enter image description here



      Both network interfaces are in the same subnet and security group. I can ping public IP for eth0 but I can not ping public IP for eth1.



      What am I missing?



      UPDATE:
      I noticed that Public DNS of second (IP 52.27.x.x) is exactly the same as for first IP 34.212.x.x






      linux network-interface aws







      share|improve this question
















      I have EC2 instance (Linux OS) and I added second network interface to it. I got public Elastic IP and assigned to the network interface. Then I assigned network interface to the EC2 Instance.



      When I run on EC2 Instance



      ifconfig


      I get eth0 and eth1 info with private IP addresses correctly assigned. When I select "Manage IP addresses" for my EC2 Instance on AWS I get:
      enter image description here



      Both network interfaces are in the same subnet and security group. I can ping public IP for eth0 but I can not ping public IP for eth1.



      What am I missing?



      UPDATE:
      I noticed that Public DNS of second (IP 52.27.x.x) is exactly the same as for first IP 34.212.x.x






      linux network-interface aws




      linux network-interface aws






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 4 hours ago









      Rui F Ribeiro

      41.2k1481140




      41.2k1481140










      asked 5 hours ago









      user3299199user3299199

      31125




      31125




















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