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 →
Learn about routing protocols, switching technologies, firewall security, network troubleshooting, certifications, and many other route-switch topics.
In this post, you’re going to learn about the short and long STP Path Cost Methods, and how they differ. read more →
Shut down an OSPF interface and the IP subnet still gets advertised in OSPF? How is that possible? Check out this case. read more →
This post elaborates on BGP Default Routing and three ways a Cisco router/switch generates a default route to its neighbors. read more →
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 →
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 →
Learn CLI commands to configure external and internal BGP peering, authentication, timers, prefix filtering, and more. read more →
Learn how BGP works and how it operates, what an Autonomous System is, BGP’s decision process, and much more. read more →
This post quickly shows you how to activate the DNA Advantage license on your Cisco Catalyst 8300 router. read more →
In this post, I provide the CLI configuration scripts I use to configure Cisco Smart Licensing on IOS routers & switches. read more →
Looking how to initialize your first FMC? In this post, I’m going to explain step by step how to go about your Cisco FMC Initial Setup. read more →