Instructor Mark Jacob was presenting a Power Lecture in the studio on the Cisco IOS Login vs Login Local. Transcription I wanted to address a question that I get fairly frequently when teaching Cisco CCNA classes. It’s regarding logging in to Cisco IOS devices. The question is, how is it that sometimes it says Login … Continue reading Cisco IOS – The Difference Between Login and Login Local
As a follow-up to my previous blog on the topic of the aaa new-model command, I wanted to add another piece to the puzzle – that of RADIUS authentication. In the previous blog, I showed the result of adding to your configuration the aaa new-model command. In this blog, let’s explore one of the additional … Continue reading How to Add RADIUS to Your Cisco Logins
It has been a long time since I have thought about aaa new-model as a Cisco configuration, mainly because it is not in the CCNA Routing and Switching official curriculum. However, once you attain your certification and become gainfully employed as a network admin, you will likely be exposed to enterprise networks which employ this … Continue reading What does aaa new-model do to your Cisco logins?
If you access your Cisco gear via vty (Telnet, SSH, …) here is a little jewel that you may appreciate. It won’t be on your CCNA R&S certification exam, but it has a coolness factor significant enough that I wanted to point it out. A typical remote login, when successful, will display the hostname of … Continue reading How to spiff up your banners in Cisco IOS
I’ve published a number of articles on following a simple and straightforward troubleshooting methodology. I advocate a simple and focused approach shown in Figure 1. You can see that symptom identification is the first step, followed by root cause analysis and problem resolution. Figure 1. MikeDan’s Quick and Dirty Troubleshooting Methodology. There’s lots of great … Continue reading Windows Troubleshooting Tip – Verifying TCP Connections
If you are a fan of Wireshark, you will enjoy the little tidbits I am going to share today. I have a sample network constructed inside GNS3, which I’m sure many of you already use. If not, may I take this moment to suggest you add it to your study materials! It is a free download, and … Continue reading How Cisco network gurus can fine-tune Wireshark output