The Cisco Nexus 9364C-GX switch (N9K-C9364C-GX) is a 2-rack unit (RU), fixed-port switch designed for spine-leaf-APIC deployment in data centers.

This switch has the following ports:

• 64 100-Gigabit QSFP28 ports

• Two management ports (one RJ-45 port and one SFP port)

• One console port

• 1 USB port

Port considerations:

• Odd numbered ports (i.e. all ports on row 1) will support breakout - even numbered ports on row 2 will be disabled. This is applicable to 1/1-60.

• The last 2 ports (1/63-64) are reserved for the default fabric links. These Ports will be used for most discovery considerations, documented below.

• 1/61-62 can be converted to down-link ports but breakout is not supported. That is because 1/61-64 belong to the same MAC quad in the ASIC and you can't mix breakout ports and non-breakout ports in the same MAC quad.

• This 4 ports per MAC quad consideration is applicable to 1/1-60 as well (for example, if 1/1 is breakout enabled, 1/3 must be breakout enabled too. - 1/2 and 1/4 are error-disabled).

Note	For ports 1 through 64, every 4 ports (1-4, 5-8, 9-12, and so on, referred to as a "quad") operates at a fixed speed. That is, all 4 ports will operate in 10G, or 40G, or 100G. This switch does not support mixed speeds in quad form.

For breakout information, see the Cisco APIC Layer 3 Networking Configuration Guide.

Leaf/Spine role considerations:

• This switch's default role is as a leaf switch.

• The default fabric links (1/49-64) must be used for initial switch discovery via another switch.

• To change the switch from the default role, you must proceed as follows: the node appears as a discovered device in the fabric inventory view, you must set the role of the switch (spine or leaf) and the switch automatically goes for reboot to come up in the configured role.

• If you connect a default spine (i.e. a dual role switch that by default is a spine, such as Nexus 9316D-GX) directly to an APIC, the change of the role to leaf is performed automatically by APIC as well as the reboot. After that, the node appears in “Nodes pending registration” and you need to register the node.

Discovery considerations:

• Leaf discovery via APIC – Connect a fully-fit APIC to one of the default downlink ports (1-48).

• Leaf discovery via spine – Connect a discovered spine to one of the default fabric links (49-64).

• Spine discovery via leaf – Connect a discovered leaf to one of the default fabric links (49-64) then convert the switch to spine (reboot is required).

• Sub leaf discovery via leaf – Connect a discovered leaf to one of the default fabric links (49-64).

• Multipod (Pod 2+) first spine discovery via IPN – Connect the IPN to one of the default fabric links (49-64). Ensure the spine has at least one leaf node connected to it.

This switch includes the following user-replaceable components:

• Fan modules (four—three for operations and one for redundancy [n+1]) with the following airflow choices:

  • Port-side exhaust fan module with blue coloring (NXA-FAN-160CFM2-PE)

  • Port-side intake fan module with burgundy coloring (NXA-FAN-160CFM2-PI)

• Power supply modules (two—one for operations and one for redundancy [1+1]) with the following choices:

  • 2000-W port-side exhaust AC power supply with blue coloring (NXA-PAC-2KW-PE)

  • 2000-W port-side intake AC power supply with burgundy coloring (NXA-PAC-2KW-PI)

  • 2000-W port-side intake HVAC/HVDC power supply with burgundy coloring (NXA-PHV-2KW-PI)

  • 2000-W port-side exhaust DC power supply with blue coloring (NXA-PDC-2KW-PE)

  • 2000-W port-side intake DC power supply with burgundy coloring (NXA-PDC-2KW-PI)

  Note	Power supplies are the same type. Do not mix AC, DC, or HVAC/HVDC power supplies.

  Note	All fan modules and power supplies must use the same airflow direction.

The following figure shows the switch features on the port side of the chassis.

To determine which transceivers, adapters, and cables support this switch, see the Cisco Transceiver Modules Compatibility Information document.

The following figure shows the switch features on the power supply side of the chassis.

The following figure shows the side of the chassis.

Note	The access panel for DIMM upgrade is located on the underside of the chassis and uses Philips flat-head screws, M3x0.5x4mmL, CSwZNwPAT,121'.

Depending on whether you plan to position the ports in a hot or cold aisle, you can order the fan and power supply modules with port-side intake or port-side exhaust airflow. For port-side intake airflow, the fan and AC power supply modules have burgundy coloring. For port-side exhaust airflow, the fan and AC power supplies have blue coloring.

The fan and power supply modules are field replaceable. You can replace one fan module or one power supply module during operations so long as the other modules are installed and operating. If you have only one power supply installed, you can install the replacement power supply in the open slot before removing the original power supply.

Note	All fan and power supply modules must have the same direction of airflow. Otherwise, the switch can overheat and shut down.

Caution

If the switch has port-side intake airflow (burgundy coloring for fan modules), you must locate the ports in the cold aisle. If the switch has port-side exhaust airflow (blue coloring for fan modules), you must locate the ports in the hot aisle. If you locate the air intake in a hot aisle, the switch can overheat and shut down.