Network Wizkid's Technical Knowledge Base

In this video, we take a look at how EEM scripts can be utilized alongside Low Impact mode to enable ports to fail open. Below are EEM Scripts that can be reused and modified for your environment. Note: For single RADIUS Servers use the “%RADIUS-4-RADIUS_DEAD” syslog pattern and for a group of RADIUS servers use the “%RADIUS-3- ALLDEADSERVER” syslog pattern. If your devices utilize command authorization then you need to ensure that the script can still run in the event of a failure. Enter the following command at the end of each applet to ensure command authorization is bypassed.    authorization bypass   Example: event manager applet pre-auth-acl-fallback authorization bypass event manager applet pre-auth-acl-recovery authorization bypass event manager applet pre-auth-acl-fallback event syslog pattern "%RADIUS-4-RADIUS_DEAD" maxrun 5 action 1.0 cli command "enable" action 1.1 cli command "conf t" pattern "CNTL/Z." action 2.0 cli command

The CCNA Security certification is an excellent starting point for anybody that may be looking at entering the IT security world, predominately focused on securing and maintaining Cisco devices. But this just isn’t any certification, in fact, if you’re familiar with Cisco certifications then you’ll probably know that Cisco certifications are renowned for being difficult to pass. However, don’t let that stop you because nothing worth having is easy! Coupled with that, the CCNA Security certification is 8570.01M compliant by the United States Department of Defense (DoD), which is excellent for anybody in that line of work. But certifications require effort! As with many certification exams, the CCNA Security requires hours upon hours of practice and studying in order to stand a chance in passing the exam. I know this because back in 2017, I passed my CCNA Security exam by spending a great deal of time learning the theory and applying what I’d learnt into labs. So with that in mind, I ha