November 2015
Intermediate to advanced
194 pages
4h 16m
English
With multiple NICs, you can better manage your network traffic. Multiple NICs is one of the prerequisite for high availability. The number of NICs attached to the EC2 instance will depend on the type of EC2 instance. ENI's and multiple private IP addresses are only available for instances running in a VPC. In cases of instance failure, we can detach and then re-attach the ENI to a standby instance, where DNS changes are not required for achieving business continuity. We can attach multiple ENIs from different subnets to an instance, but they both should be in the same availability zone. This enables us to separate the public-facing traffic from the management traffic. ...
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