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EtherChannel – Lesson and Lab
Cisco IOS software allows administrators to combine multiple physical links in the chassis into a single logical link. This provides an ideal solution for load sharing, as well as link redundancy, and can be used by both Layer 2 and Layer 3 sub-systems. https://youtu.be/AWFTIT4JjFo Understanding EtherChannels An EtherChannel is comprised of physical, individual FastEthernet, GigabitEthernet,…
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IPv6 Compression & Addressing Primer
IPv6 Addressing Primer - IPv6 Compression and Concepts IPv6 is a mechanism that was created to overcome the limitations of the current IPv4 standard. One of the major shortcomings of IPv4 is that it uses a 32-bit address space. Because of the classful system and the growth of the Internet, the 32-bit address space has…
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Comptia Network+ Objectives N10-007 vs N10-008
As I’m sure you know, licensing examinations offered by The Computing Technology Industry Association (CompTIA) are updated on the average, every three years. This of course is an excellent practice, seeing as technology and protocols are undergoing rapid, constant changes and as such, our skills must evolve if we want to stay relevant in the…
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Port Security – Lesson and Lab
Port security is the primary method to protect yourself from MAC spoofing and CAM table overflow attacks. We won't cover these topics here but we will cover port security theory and configuration. It's covered in exams from CompTIA Network+, Security+, Cisco CCNA and many others. Port Security Overview Port security is a dynamic Cisco Catalyst…
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What is NAT – Network Address Translation
What is Network Address Translation (NAT) NAT is used on every network from large to small. You use it on your home network without knowing it. Your home router translates multiple internal addresses to an address which can be routed to your internet service provider and then out to the internet. Network Address Translation is…
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