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Implementing Cisco IP Switched Networks (SWITCH) Foundation Learning Guide: Foundation learning for SWITCH 642-813 by Erum Frahim, Balaji Sivasubramanian, Richard Froom

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Chapter 4. Implementing Inter-VLAN Routing

Network topologies generally associate VLANs with individual networks or subnetworks. However, network devices in different VLANs cannot communicate with each other without a Layer 3 switch or a router to forward traffic between the VLANs. The initial VLAN design recommends that each VLAN is associated with a different subnet as a best practice, therefore inter-VLAN routing is required to route traffic between VLANs. Cisco provides several solutions to enable inter-VLAN ...

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