Cisco ACI – Management In-band

This post covers a non-best practice design for the Management Network in Cisco ACI (Application Centric Infrastructure). The implementation of Management In-band instead of the recommended Management Out-Of-Band (OOB). An OOB network increases the odds that you will be able to access the devices in the event that the fabric is experiencing production issues and is unavailable.

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Software Defined Networks and Security

Software Defined Networking (SDN) is a network architecture that simplifies network management and enables innovation in communication networks. SDN decouples the control and data planes; the control plane is logically centralized and makes the decisions that the data plane implements: the network becomes “programmable”. This separation of the control and data planes in SDN opens security challenges, such as man-in-the middle attacks, denial of service (DoS) attacks, and saturation attacks.

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