Cisco UCS can sometimes trigger a false positive alert of FFCH_ERROR_CARDS_ACCESS_ERROR on the FlexFlash controller, which typically has the fault ID of F1262. Depending on your setup, you should investigate the alarm appropriately. If, after your investigation, you determine that the fault is a false positive, the first step is to reset the FlexFlash controller.…
Microsoft recently introduced the public preview of External Authentication Methods in Microsoft Entra ID. I am very excited about External Authentication Methods as they finally allow third-party MFA providers like Cisco Duo to integrate better with Microsoft Entra ID (formerly Microsoft Azure AD). Microsoft has supported third-party MFA providers for years. The original method for…
Duo Authentication for Windows Logon and RDP is great tool that I like to use to add MFA to Windows systems specifically servers, as it could help prevent lateral movement in the network. When you only have a few systems running Duo Authentication for Windows Logon and RDP upgrading it is short and painless. When…
I ran into an issue where some older Cisco Aironet APs (Access Points) stopped connecting to a Cisco WLC (Wireless LAN Controller). No config changes had been made and some of the Cisco Aironet APs would connect and some wouldn’t. All of them were the same model, the Cisco Aironet APs were able to ping…
Recently I needed to upgrade a Cisco Unified Computing System (UCS) system and while Cisco does have documentation about it. The process can be scary and could use more screenshots. Here is my step by step guide on how to upgrade a Cisco UCS via the Firmware Auto Install with the Cisco UCS Manager. Fully…
