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This document describes the features, caveats, and limitations for Cisco Dynamic Fabric Automation (DFA) 1.0 software. Use this document in combination with documents listed in the “Related Documentation” section.
NoteRelease notes are sometimes updated with new information about restrictions and caveats. See the following website for the most recent version of the Cisco Dynamic Fabric Automation 1.0 Release Notes: Release notes are sometimes updated with new information about restrictions and caveats. See the following website for the most recent version of the Cisco Dynamic Fabric Automation 1.0 Release Notes:
Table 1 shows the online change history for this document:
Updated Table 2Table 2the “Cisco Dynamic Fabric Automation 1.0 Hardware and Software Requirements” table to add support for the Cisco Nexus 5672UP switch as a spine, leaf, and border-leaf switch in Cisco NX-OS Release 7.0(1)N1(1).
Updated Table 2Table 2the “Cisco Dynamic Fabric Automation 1.0 Hardware and Software Requirements” table to add support for the Cisco Nexus 55xx switch as a Layer 2-only leaf switch..
Updated Table 2Table 2the “Cisco Dynamic Fabric Automation 1.0 Hardware and Software Requirements” table to add the Cisco UCS Director.
Updated Table 2Table 2the “Cisco Dynamic Fabric Automation 1.0 Hardware and Software Requirements” table to add the following hardware and software:
- Support for the Cisco Nexus 56128 switch as a spine, leaf, and border-leaf switch was introduced in Cisco NX-OS Release 7.0(2)N1(1).
- CLI-based auto configuration for Cisco Nexus 55xx switches was introduced in Cisco NX-OS Release 7.0(2)N1(1).
Updated the “Limitations” section for the Cisco Nexus 5500 Series switches.
Updated the “Limitations” section to clarify the licensing requirements for BGP Route Reflector on the Nexus 7000 Series Switches acting as Dynamic Fabric Automation spine node.
2. Workload Automation—integrates with automation and orchestration tools through northbound APIs. In addition, it offers a level of control for fabric component provisioning through the automatic application of templates, leveraging southbound APIs and/or standard based protocols. This mechanism is also extensible to network services.
3. Optimized Networking—offers Layer 2 switching and Layer 3 routing concurrently. With optimized networking, your network has smaller failure domains with subnets that support Layer 2 switching and Layer 3 routing concurrently when you use a simple distributed gateway mechanism.
4. Virtual Fabrics—offer logical fabric isolation and segmentation within the fabric, by extending the boundaries of segmented environments to different routing and switching instances. These technologies can be combined to support hosting, cloud, and/or multitenancy environments.
- Cisco DFA requires a minimum of one multiprotocol Border Gateway Protocol (BGP) route reflector.
- Every Cisco DFA node, which is intended to be managed by fabric management, needs to connect through an Ethernet out-of-band port (mgmt0) to this network.
- Console connection for management is recommended but not required for Cisco DFA.
- In order to avoid Cisco DFA device auto configuration interfering with other DHCP servers, we recommend that you use a dedicated VLAN and subnet for an enhanced fabric management network. Cisco Data Center Network Manager (DCNM) as well as the Ethernet out-of-band port of the DFA nodes (for example, mgmt0) will reside in the enhanced fabric management network. You have the option to interconnect the enhanced fabric management network with your existing out-of-band management network.
- The Cisco Nexus 5500 Series switches support the following:
- The Cisco Nexus 5500 Series switch does not support Segment ID.
- An MPLS license is required to enable a BGP route reflector on a Cisco Nexus 7000 Series switch acting as a Cisco DFA spine switch. The MPLS license is not available on the Cisco Nexus 7700 switch today. To support the route reflector on a Cisco Nexus 7700 switch acting as a spine switch, you must use the license grace-period command to enable the graceful option. This restriction will be removed in future releases.
See the Licensing Information for Cisco Dynamic Fabric Automation guide for additional DFA licensing information
For a complete explanation of the Cisco NX-OS licensing scheme, see the Cisco NX-OS Licensing Guide .
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Condition: In a DFA enhanced multicast environment, if host VLAN is fabricpath and PIM enabled, duplicate packets will be sent out on fabric. We currently do not support enabling PIM on fabricpath VLANs in DFA enhanced multicast environment.
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