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Learn how virtual PortChannels (vPCs) manage multicast traffic.

Explore the ways in which network engineers design, implement, and troubleshoot Cisco Access Control Lists (ACLs), which is a topic that appears in the CCNA examination.

This paper focuses on the packet delivery process when two devices are locally connected. Definitions are first, and then there is a detailed look at the actual process of exchanging data.

This paper focuses on the packet delivery process when two devices are remotely connected. Definitions are first, followed by a detailed look at the actual process of exchanging data.

This white paper addresses Virtual Routing and Forwarding (VRF), which is a Layer 3 isolation mechanism for routing protocols.

Learn how to optimize customer lifecycle journey, increasing the value realized by the customer, and maximizing your likelihood to maintain their loyalty and renew or expand their business opportunities.

The AI Solutions on Cisco Infrastructure Essentials (DCAIE) course covers the essentials of deploying, migrating, and operating AI solutions on Cisco data center infrastructure. You'll be introduced to key AI workloads and elements, as well as foundational architectu...

Learn how to develop positive cyber safety habits, and explore how Cisco security solutions can help you to protect your information. Learn more here.

Learn how to build and manage a Snort system using open source tools, plug-ins, as well as the Snort rule language to help manage, tune, and deliver feedback on suspicious network activity.

Learn to analyze, exploit packet captures, and put the rule writing theories learned to work by implementing rule-language features for triggering alerts on the offending network traffic.