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Download my Packet Tracer project here. You need to have Packet Tracer 7.0 installed to open it.

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Website
Facebook page

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READ THE FULL STEP BY STEP GUIDE TO CONFIGURING A ROUTER ON A STICK

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READ THE FULL STEP BY STEP GUIDE TO CONFIGURING A ROUTER ON A STICK

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Learn how to set up a router on a stick by following this simple tutorial.

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When using VLANs to segment a network, the only way to make two hosts from different VLANs communicate is by using a router (or layer 3 switch) to route packets between VLANs.

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While traditional InterVLAN routing requires as many interfaces as the VLANs we're working with, a router on a stick is a router that has a single connection to the network and is used to forward traffic between hosts that are in different VLANs.

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- VLANs let you group hosts (even far apart from each other) in the same broadcast domain and limit flooding only on ports associated with the related VLAN.

- Segmenting a large network to smaller VLANs is cheaper than creating a routed network with routers.

- A malicious user can't just plug his/her laptop into any switch port and sniff the network traffic using a packet sniffer. The network administrator controls each port and whatever resources it is allowed to use.

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A VLAN (Virtual Local Area Network) is a group of hosts that are part of the same broadcast domain, regardless of their physical location.