Deployment Guide

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7 Scaling VCF Domains Beyond a Single MX7000 Chassis | Document ID
MCM group cabling one, two, or three chassis
Once the MX7000 chassis are assembled into an MCM group, network fabrics, deployment templates,
networks, and other MX7000 management constructs can be used in the deployment and management of
new and existing resources.
2.2 MX7000 Network Fabrics
The MX7000 supports three I/O fabrics. The three fabrics are labeled: A, B, and C. Each fabric consists of a
pair of I/O devices that provide redundant connectivity. The C fabric is unique because it is a storage only
fabric allowing the installation of an MX5000s SAS switch.
Network Fabrics A and B
The MX7000 A and B Fabrics are each made up of two devices to provide both throughput and redundancy.
The network devices are referred to as devices A1 and A2 for the A fabric and B1 and B2 for the B fabric. The
A and B fabrics support Ethernet switches, Ethernet switching engines, fabric expansion modules, storage
fabric switches and pass-through devices. Pass-through devices allow the connection of the internal NIC
ports to external, fixed port switches.
Storage Only C Fabric
The MX7000 C Fabric consists of a pair of Dell EMC PowerEdge M5000s storage switches. These switches
can connect to some number of Dell EMC PowerEdge M5016s storage sleds. The MX5016s storage sleds
can support up to 16 12Gbps SAS drives and these drives can be assigned to individual compute sleds within
the same MX7000.