Mid-2018 me and my friend (back then dearest colleague Andres Villalobos) ran into an issue with Linux teamd drivers and Cisco Nexus 9000 switches when using LACP vPC (virtual port channels) while doing validation and…
Category: Datacenter
Changing a Nexus 9K switch from ACI to NX-OS mode without an APIC controller
Cisco ACI -just like any other beta platform- had an infancy period, which for the Nexus 9K line meant to have a series of licensing schemas, one of those being the dual ACI/NX-OS license. By…
How to upgrade Cisco’s UCS CIMC firmware
The Cisco Integrated Management Controller is the out-of-band hardware controller included with the Cisco UCS servers and if you have read my previous blog post about the CIMC you already assigned it with an IP address, so today…
How to assign a static IP address to Cisco’s CIMC
The Cisco Integrated Management Controller or CIMC for short is a dedicated hardware controller that comes bundled with Cisco’s UCS servers and allows you to do management and monitoring of the server independently of the…
Design flaws: Tripplite, seriously?
For the latest datacenter I worked in we considered Tripplite racks and PDUs since the prices were extremely competitive and the brand was “not that bad”. APC has always been my go-to brand but this time…