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Configuration tasks in the Cisco ACI are often done using a built-in GUI in APIC (Application Infrastructure Controller) or REST API Client. Both methods use REST API calls with JSON or XML data formats. Using REST calls, we can create a new object, modify an existing one, get information about the object, or delete the object. So how do we define an Object? Each object represents an individual setting (policy), a set of settings (policy group), or a set of settings bind to an interface or group of interfaces (profile + selector) as an example. Object, in turn, is created under the class. As an example, objects which define interface settings such as speed and CDP Policy, belong to the infrastructure class. Classes, in turn, are organized by Packages. As an example, classes Tenant, Ctx (VRF), and BD (Bridge Domain) all belong to Fabric Virtualization (fv) Packages. The relationship between classes depends on their location in the Management Information Model (MIM) structure.
The first chapter explains the initial ACI installation process. The rest of the book explains how to create a logical overlay network for the application using Web and App servers including filters, and external Layer-2 connections as well as Layer-3 connections using BGP. The last two chapters introduce VMware vCenter and APIC integration and Multi-Pod architecture.
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Toni Pasanen
Toni Pasanen. CCIE No. 28158 (RS), Distinguished Engineer at Fujitsu Finland. Toni started his IT carrier in 1998 at Tieto, where he worked as a Service Desk Specialist moving via the LAN team to the Data Center team as a 3rd. Level Network Specialist. Toni joined Teleware (Cisco Learning partner) in 2004, where he spent two years teaching network technologies focusing on routing/switching and MPLS technologies. Toni joined Tieto again in 2006, where he spent the next six years as a Network Architect before joining Fujitsu. In his current role, Toni works closely with customers helping them in selecting the right network solutions not only from the technology perspective but also from the business perspective. He is also the author of books “Virtual Extensible LAN – VXLAN: The Practical Guide to Understand VXLAN Solution - 2019”, “LISP Control-Plane in Campus Fabric - 2020”, and “VXLAN Fabric with BGP EVPN Control-Plane – 2020”.
