To make the entire topology an ACI fabric, all ports on the leaf switches connecting to tier-2 In the multi-tier topology, the leaf switches initially have uplink connectivity to the spine switches and downlink connectivity To the leaf layer (aggregation) on the uplink ports. The tier-2 leaf layer supports connectivity to hosts or servers on the downlink ports and connectivity The addition of a tier-2 leaf layer makes Thus mitigating the need to upgrade costly components such as rack space or cabling. As of the Cisco APIC Release 4.1(1), you can create a multi-tier ACI fabric topology that corresponds to the Core-Aggregation-Access architecture, Fabric Topology ExampleĪn example of the connection details for the fabric topology is as follows: Nameģ-tier Core-Aggregation-Access architectures are common in data center network topologies. The following figure shows an example of a fabric topology. Three instances of APIC ( apic1, apic2, apic3) You can build a fabric by adding switches to be managed by the APIC and then validating the steps using the GUI, the CLI, or the API.īefore you can build a fabric, you must have already created an APIC cluster over the out-of-band network.Īn example of a fabric topology is as follows: Initializing the Fabric About Fabric Initialization This chapter contains the following sections: Converting a Cisco NX-OS Node to Cisco ACI With POAP Auto-conversion Using the GUIįabric Initialization and Switch Discovery.Guidelines and Limitations for Cisco NX-OS to Cisco ACI POAP Auto-conversion.About Cisco NX-OS to Cisco ACI POAP Auto-conversion.Cisco NX-OS to Cisco ACI POAP Auto-conversion. Inserting a Switch to Operational Mode Using the GUI.Removing a Switch to Maintenance Mode Using the GUI.Finding Your Switch Inventory Using the GUI.Troubleshooting Switch Discovery Issues.Unmanaged Switch Connectivity in VM Management.Validating the Fabric Topology Using the GUI.Validating the Registered Switches Using the GUI.Switch Discovery Validation and Switch Management from the APIC.Auto Firmware Update on Switch Discovery.Adding a Switch Before Discovery Using the GUI.Registering an Unregistered Switch Using the GUI. Switch Registration with the APIC Cluster.Fabric Initialization and Switch Discovery.
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