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This article explains the differences between Layer 2 and Layer 3 switches, how ARP resolves MAC addresses, the impact of collisions and broadcast domains, and how VLANs and switch port configurations can be used to segment and secure modern Ethernet networks.
This article explains the operating principles, key differences, and practical applications of Layer 2 and Layer 3 switches, covering MAC‑based forwarding, IP routing, ARP learning, broadcast domains, VLAN segmentation, and step‑by‑step configuration commands for enterprise networks.
This guide demonstrates how to enable communication between hosts on different subnets within the same VLAN across two three‑layer switches by configuring VLANs, assigning IP addresses to Vlanif interfaces, and adding static routes on each device.
This guide details step‑by‑step how to create VLANs, set up ACLs, define traffic classifiers and behaviors, bind them in a traffic policy, apply the policy to a switch interface, and verify the configuration for enterprise network traffic management.
This guide shows how to configure traffic statistics on two switches by creating ACLs, traffic classifiers, behaviors, and policies, applying them to specific GigabitEthernet interfaces, and finally displaying the traffic policy statistics from the command line.