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What is interVLAN routing?

Learn what interVLAN routing is in this Ask the Expert with routing expert Sudhanshu Gupta.

What is interVLAN routing?

Virtual LANs (VLANs) divide one physical network into multiple broadcast domains. But, VLAN-enabled switches cannot, by themselves, forward traffic across VLAN boundaries. So you need to have routing between these VLANs which is called interVLAN routing. You can achieve this by using either a Layer 3 switch or a router.

Hope this helps.

This was last published in October 2007

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