Are all network interfaces ENI's on AWS EC2In Ubuntu, ensure that the same NIC gets assigned the same...

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Are all network interfaces ENI's on AWS EC2


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I want to ensure that my AWS EC2 instance has a static MAC address. From what I read I just need to add an ENI to the instance to get a static MAC.



However, from the AWS console | Network & Security | Network Interfaces, I see my first NIC has an eni-XXXXX identifier. Does that mean that even the default NIC assigned to my instance will keep it's MAC address between stop/starts?



So is every NIC an ENI? (with static MAC) If so why do the docs says to add an ENI? Or is the first NIC not really an ENI, but the second one is? Confused









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    I want to ensure that my AWS EC2 instance has a static MAC address. From what I read I just need to add an ENI to the instance to get a static MAC.



    However, from the AWS console | Network & Security | Network Interfaces, I see my first NIC has an eni-XXXXX identifier. Does that mean that even the default NIC assigned to my instance will keep it's MAC address between stop/starts?



    So is every NIC an ENI? (with static MAC) If so why do the docs says to add an ENI? Or is the first NIC not really an ENI, but the second one is? Confused









    share

























      0












      0








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      I want to ensure that my AWS EC2 instance has a static MAC address. From what I read I just need to add an ENI to the instance to get a static MAC.



      However, from the AWS console | Network & Security | Network Interfaces, I see my first NIC has an eni-XXXXX identifier. Does that mean that even the default NIC assigned to my instance will keep it's MAC address between stop/starts?



      So is every NIC an ENI? (with static MAC) If so why do the docs says to add an ENI? Or is the first NIC not really an ENI, but the second one is? Confused









      share














      I want to ensure that my AWS EC2 instance has a static MAC address. From what I read I just need to add an ENI to the instance to get a static MAC.



      However, from the AWS console | Network & Security | Network Interfaces, I see my first NIC has an eni-XXXXX identifier. Does that mean that even the default NIC assigned to my instance will keep it's MAC address between stop/starts?



      So is every NIC an ENI? (with static MAC) If so why do the docs says to add an ENI? Or is the first NIC not really an ENI, but the second one is? Confused







      amazon-ec2 nic mac-address





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