APIC Servers are running on UCS C Series Servers, Cisco UCS 220 M4 (second generation appliances APIC-SERVER-M2 and APIC-SERVER-L2) or Cisco UCS 220 M3 (first generation appliance APIC-SERVER-M1 and APIC-SERVER-L1), with a minor difference that servers manufactured with an image secured with Trusted Platform Module (TPM), certificates, and an APIC product ID (PID).
Corresponding UCS Platform
Cluster of three Cisco APIC first generation controllers with medium size CPU, hard drive, and memory configurations for up to 1000 edge ports.
Cluster of three Cisco APIC second generation controllers with medium size CPU, hard drive, and memory configurations for up to 1000 edge ports.
Cluster of three Cisco APIC first generation controllers with large size CPU, hard drive, and memory configurations for more than 1000 edge ports.
Cluster of three Cisco APIC second generation controllers with large size CPU, hard drive, and memory configurations for more than 1000 edge ports.
Upgrading the software version of the ACI Fabric, might set new requirements on the CIMC version running on your Fabric, therefore, it is always advised to check the release notes of the APIC software version to know the list of supported CIMC software versions for a specific APIC release.
1. Check APIC Release notes, and confirm to which CIMC software image you need to upgrade. Link to APIC Release notes.
2. Obtain Software image from Cisco.com
3. Confirm that the MD5 Checksum of the image, matches the one published on Cisco.com
4. Time needed for the process of upgrading a CIMC version varies based on the speed of the link between the Local Machine and the UCS-C chassis, and source/target software image and other internal component versions.
5. Upgrading the CIMC version does not the production network as APICs are not in the Data Path of the traffic.
6. Please understand that changing CIMC version might also require changes to the Internet Browser, and Java Software version to run the vKVM.
APIC CIMC Upgrade Procedure
Upgrade the APIC CIMC using the Cisco Host Upgrade Utility.
* Please go to the recommended CIMC APIC firmware instead of the latest for that UCS
3. Launch the KVM console from CIMC GUI. (*If you are having problems opening the KVM console, this is generally an issue with your JAVA version. Please read the Release Notes for your CIMC version to learn the different workarounds available.)
4. Open KVM console and click Activate Virtual Devices, accept the session
5. Map the downloaded ISO on your PC, by selecting the 'Map CD/DVD 'and browse the HUU iso.
6. Reboot the server by using the macros tab and select Ctrl-Alt-Del
Note: If Ctrl-Alt-Del does not work you can use Power >> Power cycle System ( Cold reboot )
7. In the next step, we will need to press F6 to enter the boot menu so we can select the mapped DVD to boot from. You can create a user defined macro to do this if you are using a Remote Desktop application, otherwise you can just press F6.
8. The boot menu will prompt for a password, the default is 'password'.
9. Select KVM mapped DVD, as shown below.
10. Be patient. You will need to wait around 10-15 minutes while the ISO is extracted by the HUU, then another 15-20 minutes to copy the firmware and other tools
11. Accept the terms and conditions
12. It is recommended to update all the firmware for all components using the 'Update all' option.
* A pop up will be shown to enable Cisco IMC Secure Boot, select no, otherwise refer to the Introduction to Cisco IMC Secure Bootsection in the Cisco UCS C-Series Servers Integrated Management Controller GUI Configuration Guide, Release 4.0
13. Wait till all the HUU updates PASS for each component, press exit, this will reboot the server.
When the server reboots you will be pushed out of the CIMC GUI, you will need to log back into the CIMC, and verify the upgrade has completed successfully. To do this you can verify via the GUI or boot up the CIMC host Upgrade Utility and select "Last Update Verify"to ensure all components passed the upgrade successfully.
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