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Ninety-six 32-Gbps line rate Enhanced Small Form-Factor Pluggable (SFP+) ports provide an aggregate bandwidth of 3-Tbps per switch for highly scalable designs for hyperscale environments that drive several thousands of virtual machine instances within the rack. This switch provides at least 6 ports that can be configured with up to 8270 Buffer-To-Buffer (B2B) credits that can be connected to remote data centers as far as 612 km (380 miles) using native Fibre Channel connectivity at 32-Gbps speeds. These distances become even greater at lower speeds.
Fully integrated SAN analytics:
This feature-rich switch also offers state-of-the-art SAN analytics and telemetry capabilities that have been built into this-next generation hardware platform. This new state-of-the-art technology couples the next-generation port ASIC with a fully dedicated Network Processing Unit designed to complete analytics calculations in real time on the 32-Gbps line card. The telemetry data extracted from the inspection of the frame headers are calculated on board (within the switch) and, using an industry-leading open format, can be streamed to any analytics-visualization platform.
High performance:
The MDS 9396T architecture, with centralized nonblocking arbitration, provides consistent 32-Gbps low-latency performance across all traffic conditions for every Fibre Channel port on the switch.
Capital Expenditure (CapEx) savings:
The 32-Gbps ports allow users to deploy them on existing 16- or 8-Gbps transceivers, reducing initial CapEx and investment protection with an option to upgrade to 32-Gbps transceivers and adapters whenever needed.
High availability:
MDS 9396T switches is designed to provide 99.999% availability. It provides such outstanding availability and reliability by providing redundancy on all major components, such as the power supply and cooling subsystems. Dual power supplies also facilitate redundant power grids. Port-channel link members can be stitched across the six 16-port port groups, thus providing additional high availability.
Grow in-small increments:
The MDS 9396T Fibre Channel Switch provides an option to deploy as few as 48 32-Gbps Fibre Channel ports in the entry-level variant, and then grow in increments of 16 ports to up to 96 ports. This allows four possible configurations of 48, 64, 80, and 96 ports.
Next-generation ASIC:
The MDS 9396T Fibre Channel Switch is powered by the same high-performance 32-Gbps Cisco ASIC with an integrated network processor that powers the Cisco MDS 9700 48-Port 32-Gbps Fibre Channel Switching Module. Among all the advanced features that this ASIC enables, one of the most notable is inspection of Fibre Channel and Small Computer System Interface (SCSI) headers from every storage workload without the need for any external taps or appliances. The recorded flows can be analyzed on the switch and also exported using a dedicated 1/10G SFP+ port for telemetry and analytics purposes.
Intelligent network services:
Slow-drain detection and isolation, Virtual SAN (VSAN) identifier, Access Control Lists (ACLs) for hardware-based intelligent frame processing, smart zoning, and fabricwide Quality of Service (QoS) enable migration from SAN islands to enterprisewide storage networks. Traffic encryption is optionally available to meet stringent security requirements.
Sophisticated diagnostics:
The MDS 9396T provides intelligent diagnostics tools such as Inter-Switch Link (ISL) diagnostics, HBA diagnostics with leading HBA vendors, read diagnostic parameters, protocol decoding, network analysis tools, and integrated Cisco Call Home capability for greater reliability, faster problem resolution, and reduced service costs.
Overview
The next-generation Cisco® MDS 9396T 32-Gbps 96-Port 2-rack unit Fibre Channel Switch (Figure 1) provides high-speed Fibre Channel connectivity in the SAN. This switch offers state-of-art analytics and telemetry capability built into its next-generation Application- Specific Integrated Circuit (ASIC) platform. The Non-Volatile Memory express (NVMe)-ready switch allows seamless transition to Fibre Channel Non-Volatile Memory Express (FC-NVMe) workloads whenever available without any hardware upgrade in the SAN. This high-density, highly reliable and scalable, enterprise class semi-modular switch is ideal for medium to large departmental SANs.
For standalone SANs, this switch can serve dense hyperscale server environments that spawn thousands of virtual Host Bus Adapters (vHBAs) serving several virtual machine instances, providing each of them with predictable throughput, consistent latency and highly available paths by distributing the physical SAN connectivity across six different port groups of 16 ports each. Autozone allows these standalone deployments to benefit from automatic zoning of host and storage ports without requiring any manual zoning configuration. These smaller port groups enable a design with smaller failure domains rather than one large failure domain consisting of all switch ports.
The number of hosts can be expanded further by connecting this switch as an N-Port ID Virtualization (NPIV) core switch to any existing top-of-rack switch in N-Port Virtualization (NPV) mode. Large-scale departmental SANs can deploy this switch as end-of-row, middle-of-row, or even top-of-rack in either forward or reverse airflow directions, connecting to existing MDS directors in the SAN core.
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