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Security

Add Remote Firepower Firewall to Firepower Management Center – New Process with NAT

Kevin Blackburn - June 2, 2020

Mobility

Custom Guest Portal for Catalyst 9800 WLC

Kevin Blackburn - April 22, 2020

Mobility

%UPDATE-3-CERT_INST_FAIL: updcode.c:3686 Failed to install certificate. rc = 1

Kevin Blackburn - April 20, 2020

Mobility

Installing Third Party Certificate on Cisco WLC – Guide

Kevin Blackburn - April 17, 2020

Security

Cisco Firepower Sees new Resiliency with Updates

Kevin Blackburn - October 29, 2019

Most Discussed Articles

General

Cisco ISE Deployment – A Required Disk Image Was Missing

Kevin Blackburn - November 28, 2017 8

A few weeks back I was deploying an evaluation version of ISE to begin learning it for a future deployment. I went through the...

Mobility

Cisco WLC – DHCP Proxy Mode

Kevin Blackburn - March 27, 2018 7

Had a fun one that I recently ran into and was lucky enough to make a good learning opportunity out of it. Hopefully it...

Mobility

Cisco Catalyst 9800 WLC – The Most Flexible WLC Yet

Kevin Blackburn - November 13, 2018 6

Today is the day. It's time for the next exciting release from Cisco and this one does not disappoint. Today, Cisco introduced the Catalyst...

Latest Blog Posts

Blog

Shifting Focus: DevNet and Programmability

Kevin Blackburn - August 19, 2019 4

As some of you might remember from my social media accounts or other posts, I attended Cisco Live 2019 a few months ago. One...

Blog

DNS: More Than Just Name Resolution

Kevin Blackburn - December 10, 2018 1

So many companies that I have worked for and been involved with manage DNS in a way that I think a lot of us...

Blog

Cisco DevNet – The Next-Gen IT Sandbox

Kevin Blackburn - October 10, 2018 2

When it comes to IT topics such as programming, one concept that is critical to the process is the test environment or "sandbox". The...

Blog

Cisco Live – Customer Appreciation Event – Bands Announcement!

Kevin Blackburn - April 21, 2018 0

You might remember my earlier post when I had the scoop on the Cisco Live Customer Appreciation Event this year at Universal Studios (Cisco...

Blog

Cisco Live 2018 Contests

Kevin Blackburn - March 6, 2018 0

Who doesn't love a good contest? Cisco does a GREAT job taking care of their social media community and now you have a chance...

Routing and Switching

Switching

Can the Cisco Catalyst 9600 Really Replace the Catalyst 6000 Series?

Kevin Blackburn - April 29, 2019 2

If you have worked in networking and with Cisco equipment, you have probably heard of the Cisco 6500 Series switches. Myself, I have worked...

HSRP Version 1 vs Version 2

CCIE Kevin Blackburn - September 24, 2018 0

OSPF DR Election Process

CCNA \ CCENT Kevin Blackburn - September 17, 2018 0

BGP Best Path Selection

CCIE Kevin Blackburn - June 19, 2018 0

Cisco IP SLA and Redundant Links

Routing Kevin Blackburn - November 6, 2017 0

Mobility

Custom Guest Portal for Catalyst 9800 WLC

Kevin Blackburn - April 22, 2020 0

If you are a Cisco wireless network admin, surely you are aware of the Catalyst 9800 series wireless LAN controllers by now. If not,...

Mobility

%UPDATE-3-CERT_INST_FAIL: updcode.c:3686 Failed to install certificate. rc = 1

Kevin Blackburn - April 20, 2020 0

You might have seen my recent post on generating and installing a third-party signed certificate on a Cisco WLC. I recently had to go...

Installing Third Party Certificate on Cisco WLC – Guide

Mobility Kevin Blackburn - April 17, 2020 1

If you have tried to install a third party certificate on a Cisco WLC in the past, you probably already know there is a...

Three Ways to Connect an Aruba AP to a Mobility Controller

Mobility Kevin Blackburn - September 17, 2019 0

You have an Aruba mobility controller and you have a batch of new access points. You want to get everything connected and activated. So...

CCIE R&S #62000 - Director of Networking in the Healthcare industry and all around networking enthusiast. Cisco Champion and past TechFieldDay NFD delegate.

Programming for Network Engineers

Programming

Add Remote Firepower Firewall to Firepower Management Center – New Process with NAT

Custom Guest Portal for Catalyst 9800 WLC

%UPDATE-3-CERT_INST_FAIL: updcode.c:3686 Failed to install certificate. rc = 1

Installing Third Party Certificate on Cisco WLC – Guide

Cisco Firepower Sees new Resiliency with Updates

Most Discussed Articles

Cisco ISE Deployment – A Required Disk Image Was Missing

Cisco WLC – DHCP Proxy Mode

Cisco Catalyst 9800 WLC – The Most Flexible WLC Yet

Latest Blog Posts

Shifting Focus: DevNet and Programmability

DNS: More Than Just Name Resolution

Cisco DevNet – The Next-Gen IT Sandbox

Cisco Live – Customer Appreciation Event – Bands Announcement!

Cisco Live 2018 Contests

Routing and Switching

Can the Cisco Catalyst 9600 Really Replace the Catalyst 6000 Series?

HSRP Version 1 vs Version 2

OSPF DR Election Process

BGP Best Path Selection

Cisco IP SLA and Redundant Links

Mobility

Custom Guest Portal for Catalyst 9800 WLC

%UPDATE-3-CERT_INST_FAIL: updcode.c:3686 Failed to install certificate. rc = 1

Installing Third Party Certificate on Cisco WLC – Guide

Three Ways to Connect an Aruba AP to a Mobility Controller

Security

Add Remote Firepower Firewall to Firepower Management Center – New Process with NAT

Cisco Firepower Sees new Resiliency with Updates

The Cisco Firepower Firewall Everyone is Waiting For

Firepower FTD – No Gateway for Management Interface

FMC – An internal error is preventing the system from validating this policy.

Programming for Network Engineers

The Hidden Value of the DevNet SandBox and API Explorer

Making a GET Request from an API with Python

Reading and Writing from Files with Python

Getting Started with NetMiko