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CCNA Data Center DCICN 640-911 Official Cert Guide by Chad Hintz, Wendell Odom

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Cisco Nexus Switch Operations with Routing

A multilayer switch is essentially a switch at Layer 2 that has routing functionality. Multilayer switches traditionally have been built to give you the ability to have multiple VLANs on a given switch and route between them if needed without the need for an external dedicated router. Also, multilayer switches are primarily created in the same manner as traditional Layer 2 switches, where they only have Ethernet interfaces ranging from 10 Mb to 100 Gigabit Ethernet based on the switch chosen. Switches use ASICs to provide forwarding in hardware to accelerate the process of packet switching and routing, in comparison to the original routers, which did this primarily in software.

The second major difference ...

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