STP Path Cost Method (short vs long)
In this post, you’re going to learn about the short and long STP Path Cost Methods, and how they differ. read more →
Duplicate OSPF Router Links on Nexus 7000
Shut down an OSPF interface and the IP subnet still gets advertised in OSPF? How is that possible? Check out this case. read more →
BGP Default Routing
This post elaborates on BGP Default Routing and three ways a Cisco router/switch generates a default route to its neighbors. read more →
Cisco Catalyst 9500 SVL Upgrade
In this post, I’ll show you how to upgrade the SVL of a Cisco Cat9500 StackWise switch pair from two 25G to 100G links with minimum downtime. read more →
How to Pass the CCNA Exam
Looking to pass the CCNA Exam? In this post, I list the three steps I recommend and where to find all the resources. read more →
Reporting Push Interval: 0 (no reporting)
You configured Smart Licensing on your router but see the Reporting push interval: 0 (no reporting) in show license status. What’s up? read more →
CCNA Online Course 2024 (10 days FREE)
In this post, you’ll find three well-put-together CCNA Online Courses that you can access today and complete at your own pace. read more →
CCNA Books 2024
Looking for CCNA Books to assist you in passing and becoming a Cisco Certified Network Associate in 2023? Search no more! read more →
BGP Configuration (Beginners Guide)
Learn CLI commands to configure external and internal BGP peering, authentication, timers, prefix filtering, and more. read more →
BGP: The Ultimate Guide [2024]
Learn how BGP works and how it operates, what an Autonomous System is, BGP’s decision process, and much more. read more →
