From the course: Cisco CCNA (200-301) Cert Prep: 2 IP Connectivity and Services

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Routed interfaces

Routed interfaces

From the course: Cisco CCNA (200-301) Cert Prep: 2 IP Connectivity and Services

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Routed interfaces

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- [Instructor] Routed interfaces can be more than just a standard interface on a router with an IP address slapped on it. Something that's infinitely useful is Router on a Stick. In fact, the majority of enterprise networks I build employ this technique. In a nutshell, routers or layer three switches will connect to a switch network and have a single interface carry multiple VLANs, each being routed in the router. So, a single router can connect to a switch network and terminate hundreds of subnets all over a single physical interface simply by utilizing VLANs. In this example, the switching clients have been pre-configured, save for interface Fa0/1 that connects to the router. I'll now configure switch one to send VLAN 10 and 11 over to the router, so that it can route the subnets. Config t, interface fa0/1. Switchport trunk encapsulation, dot one Q. Setting the switchport encapsulation is required on this model of switch. Now, switchport mode trunk. Technically, that's all that's…

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