search expand
Skip to content

Tcp/Ip for me

Computer science, networking and rants of my everyday!

  • Home
  • About me

Category: How-to

VMware workstation nested virtualization and WSL2 disaster

Posted on November 14, 2020November 14, 2020 by Luis

Got caught into the WSL2 hype and ran into the surprise of errors such as “Virtualized Intel VT-x/EPT is not supported on this platform”? me too (…) welcome to VMware’s…

Posted in How-to, RantLeave a Comment on VMware workstation nested virtualization and WSL2 disaster

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…

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 make Putty the default telnet application in Windows 10

Posted on February 28, 2019March 5, 2019 by Luis

Trusty yet insecure, it’s the 21st century and long gone are the days of telnet but, is there any need to keep using telnet to access your network devices nowadays?…

Posted in How-to, SecurityLeave a Comment on How to make Putty the default telnet application in Windows 10

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…

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

How to upgrade Cisco’s WLC AireOS software

Posted on February 23, 2019March 10, 2019 by Luis

Quick n’ easy and just to complement my last post on updating a WLC’s FUS, here’s a guide on how to upgrade Cisco’s WLC AireOS software. Do we still call…

Posted in How-to, WirelessLeave a Comment on How to upgrade Cisco’s WLC AireOS software

How and why to apply Cisco’s WLC Field Software Upgrade (FUS)

Posted on February 18, 2019March 10, 2019 by Luis

Boring weekend and my -you gotta do something old man- feeling drag me to dust off an old Cisco WLC 2504 I bought years back on eBay. As expected it…

Posted in How-to, WirelessLeave a Comment on How and why to apply Cisco’s WLC Field Software Upgrade (FUS)

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…

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

How to recover forgotten IPMI credentials on pfSense

Posted on June 23, 2018February 17, 2019 by Luis

I’ve been using a pair of Netgate XG-1541 in HA for some months as a test perimeter firewall and so far it’s been a smooth ride. This model comes with…

Posted in Firewalls, How-to, SecurityLeave a Comment on How to recover forgotten IPMI credentials on pfSense

About me

avatar

Hi! I'm Luis Corral, IT Network Engineer, Architect, Manager, i do it all -not proud-, design aficionado, cookie eater. Latino, mi casa es su casa, I may be a Cisco fanboy. All opinions are my own...

Tags

ACI Datacenter Firewalls How-to Rant Security Wireless

Recent Posts

  • VMware workstation nested virtualization and WSL2 disaster
  • 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
Made with ❤ pizza and beer, know your stuff before proceeding!