Adding an 8, 16, or 32 Gigabyte DIMM to a Cisco Nexus 9000 Series Switch

Adding an 8, 16, or 32 Gigabyte DIMM to a Cisco Nexus 9300 Series Switch

Overview

Cisco provides two modes of operation for Cisco Nexus 9300 series switches: Cisco NX-OS Software and Cisco Application Centric Infrastructure (Cisco ACI^™). You can use Cisco NX-OS software to deploy the switches in standard Cisco Nexus switch environments (NX-OS mode). Cisco ACI^™ platform takes full advantage of an automated, policy-based, systems-management approach (ACI mode).

If you ordered a Cisco Nexus switch with base memory, and you want to upgrade the system memory, you must install additional memory. Here are two use cases that require additional memory upgrade:

1.     To support the maximum route scale in Cisco NX-OS or ACI. For details, check the NX-OS Scalability Guide or the ACI Verified Scalability Guide.

2.     To support Cisco ACI software on a switch with base memory only. Cisco ACI software supports switches with a minimum of 24 GB of memory or higher. If your switch model has less than 24 GB of memory, and you want to upgrade the Cisco ACI software version, you must install additional memory in the system.

          Before you perform a memory upgrade on your switch model, refer to the table for additional memory required.

 

Table 1. Memory on Nexus 9300 Series Switches

To check how much system memory is available, use the show system commands. Examples for Cisco NX-OS and Cisco ACI are below:

Steps to upgrade:

·       Get the 8G DIMM as a spare, PID: NXK-MEM-8GB

·       Get the 16G DIMM as a spare, PID: NXK-MEM-16GB

·       Get the 32G DIMM as a spare, PID: NXK-MEM-32GB

Switch upgrade

1.     Turn the power off before removing the access panel of the switch.

2.     Wear an ESD wrist strap and place antistatic foam or antistatic padding under the DIMM.

3.     Remove the DIMM installed in slot 3 and add the new DIMM, in addition to the standard memory DIMM already installed, in slot 1.

Step 1

Remove the screws and the DIMM access panel (see figure 1).

Step 2

Remove the old DIMM from slot 3.

Step 3

Align the 8G, 16G or 32G DIMM card to DIMM slot 3 inside the chassis. Push the DIMM card into the slot until it is fully inserted (see figure 1).

Step 4

Replace the DIMM access panel and secure it with the screws. Tighten the screws to 5.0 in-lb. (0.55 N-m). Do not exceed 6.0 in-lb. (0.67 N m).

 

Figure 1. Upgrading the DIMM card

 

 

Related Documentation

·       Cisco NX-OS 9300 Series documentation  

·       Cisco NX-OS 9300 Series release notes

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