Switch port security filters incoming frames based on the source MAC address. Simple enough, right? Well, this long-time switch security feature has more than a few twists. Chapter 6 of the CCNA [...]
As with all the blog posts in this series, this post helps you with working through how to perform the examples in the CCNA 200-301 Cert Guides (Volumes 1 and 2) using Cisco’s Packet Tracer [...]
CCNA Volume 2’s first ACL chapter gets over the big fundamental Access Control List (ACL) concepts and configuration, with Chapter 3 (the subject of this post) moving on to more detailed [...]
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Access Control Lists (ACLs) may be one of the most uncomfortable topics to learn during your first few hours reading about the topic. Getting into lab early in your reading can help, so take [...]
It’s time for a new round with the CCNA Deep Dive course series that we run in cooperation with O’Reilly Online Learning. I’ve had a few job roles over the years in which [...]
If you take any of the CCNA Deep Dive courses on O’Reilly, then you can come here to post follow-up comments about questions related to the courses. If you did not come to any of the [...]
Interestingly, Cisco includes static IPv6 routes in the CCNA 200-301 exam topics, but with no mention of IPv6 routing protocols like OSPFv3. However, you can learn much about IPv6 routing by [...]