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Configure interface-based VLAN assignment on the switch for Layer 2 forwarding. Configure the router as the gateway of users to implement Layer 3 forwarding across network segments through sub
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This article describes the functionality and expected behavior of LAN ports on MX and Z-series devices, and how they handle and interact with layer 2 traffic and protocols.
Once installed, a Layer 2 switch learns about its connected hosts and networks by examining the source addresses of frames it receives. It builds a cache (database) of these MAC
Local area network A conceptual diagram of a LAN at a residential house; the router in this case is assumed to also function as a wireless access point. Also shown in
This chapter describes how to use the command-line interface (CLI) to configure Ethernet, Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet LAN ports for Layer 2 switching on the Catalyst
As shown on the diagram above, a Layer 3 switch can connect hosts directly to it and also have other Layer 2 switches connected in order to provide routing between
WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Because leased lines can be very
The Wake-on-LAN implementation is designed to be simple and to be quickly processed by the circuitry present on the network interface controller using minimal power. Because Wake-on-LAN operates
Configuring LAN Ports for Layer 2 Switching This chapter describes how to use the command-line interface (CLI) to configure Ethernet, Fast Ethernet, Gigabit Ethernet, and 10-Gigabit Ethernet LAN
A Cisco router L2 interface allows a router to operate at Layer 2 (Data Link Layer) on specific interfaces, enabling Ethernet switching and bridging functionalities directly on the router.
A switch learns which device is connected to which port and forwards a frame based on the destination MAC address included in the frame. This reduces traffic on the