Day 16. Inter-VLAN Routing
CCNA 200-301 Exam Topics
Configure and verify IPv4 addressing and subnetting
Configure and verify interswitch connectivity
Key Points
Today we review inter-VLAN routing. Because Layer 2 switches cannot perform the routing function, it is necessary to implement a Layer 3 device to route between VLANs.
Inter-VLAN Routing Concepts
Inter-VLAN communications cannot occur without a Layer 3 device. Three options are available when implementing inter-VLAN routing:
Traditional or legacy inter-VLAN routing
Router on a stick
Multilayer switching
Let’s briefly review the concept of each method.
Legacy Inter-VLAN Routing
Legacy inter-VLAN routing requires multiple physical interfaces on both the router and the switch. ...
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