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Category: Datacenter

Linux teamd driver issues with LACP vPC on Cisco Nexus switches

Posted on April 17, 2019February 21, 2021 by Luis

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…

Posted in ACI, DatacenterLeave a Comment on Linux teamd driver issues with LACP vPC on Cisco Nexus switches

Changing a Nexus 9K switch from ACI to NX-OS mode without an APIC controller

Posted on March 31, 2019March 31, 2019 by Luis

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…

Posted in ACI, Datacenter, How-toLeave a Comment on Changing a Nexus 9K switch from ACI to NX-OS mode without an APIC controller

How to upgrade Cisco’s UCS CIMC firmware

Posted on February 23, 2019November 22, 2020 by Luis

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…

Posted in ACI, Datacenter, How-toLeave a Comment on How to upgrade Cisco’s UCS CIMC firmware

How to assign a static IP address to Cisco’s CIMC

Posted on July 13, 2018February 18, 2019 by Luis

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…

Posted in ACI, Datacenter, How-toLeave a Comment on How to assign a static IP address to Cisco’s CIMC

Design flaws: Tripplite, seriously?

Posted on June 20, 2018February 18, 2019 by Luis

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…

Posted in Datacenter, RantLeave a Comment on Design flaws: Tripplite, seriously?

About me

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Hi! I'm Luis Corral, IT Professional, Network and Cloud enthusiast, design aficionado, cookie eater. Latino, mi casa es su casa, pineapple pizza is NOT pizza. All opinions are my own.

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Cisco Champion 2021

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Recent Posts

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