- Notes, cautions, and warnings
- Additional resources
- Platform Overview
- Technical specifications
- Hardware component descriptions
- Disk-array enclosures
- Cabling
- Rail kits and cables
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Dell Unity™ All Flash and Unity Hybrid Hardware Information Guide
About converged network adapter (CNA) ports
Each SP contains two integrated CNA ports (labeled 4 and 5). These ports are PCI Express 3.0 x4 adapters that provide interfaces that can be configured as Ethernet, or Fibre Channel, but once set to a protocol, cannot be changed. If CNA ports are set to Ethernet, then you can use either 1Gb/s, 10Gb/s SFPs or Twin-AX for File (IP) or iSCSI Block access. If the ports are set to Fibre Channel, then you can use SFPs supporting 4, 8, 16 Gb/s FC multi-mode, or single-mode SFPs supporting 16Gb/s only.
NOTE:Once you set the network protocol on the CNA ports you cannot switch to a different network protocol. Additionally, the four CNA ports cannot be configured independently; they must all be configured with the same network protocol. For example, if you configure the CNA ports for 10Gb/s Ethernet you cannot then later switch these ports to Fibre Channel.
| Speed | Protocol | Connection |
|---|---|---|
| 1 Gb/s | iSCSI and IP/file | BASE-T RJ45 Ethernet |
| 10 Gb/s | iSCSI and IP/file | SFP+ or Active/Passive TwinAx |
| 4/8/16 Gb/s | Fibre Channel 1 | SFP+ or OM2/OM3 |
| 4/8 Gb/s | Fibre Channel | SFP+ or OM2/OM3 |
| 16 Gb/s | Fibre Channel (Single Mode2) | SFP+ or OS1/OS2 |
| 1 - You may experience performance issues when directly attaching 16Gb/s FC ports to some 16Gb/s HBAs. See the Unity Family Release Notes for more details. | ||
| 2 - If there is a synchronous replication port, it can be configured as single mode and the remaining ports can be configured as multi mode. | ||
CNA port activity LED
The CNA activity port LED — a bi-color blue/green LED between the two CNA ports each connector — indicates the link/activity of the port. The port activity LED color depends on the protocol configured on the CNA.
- Fibre Channel CNA ports use a blue LED
- Ethernet CNA ports use a green LED
The following table describes the link/activity and connection speed associated with the CNA port LEDs.
| LED | Color | State | Description |
|---|---|---|---|
| Link/Activity | Green | On | Ethernet link active |
| Blinking (1 Hz) | Ethernet port fault | ||
| Blue | On | Fibre Channel link active | |
| Blinking (1 Hz) | Fibre Channel port fault | ||
| — | Off | Link inactive (Ethernet or FC) |
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