3/29/2024 0 Comments Cisco router on a stick configThe first host belongs to Network 10.10.10.0/24 (VLAN10) and the second one to 20.20.20.0/24 (VLAN20).īy default, if the switch is just a normal Layer 2 switch the two hosts can not communicate between them because they belong to different VLANs and there is no routing. The two ports of the switch with the hosts connected to them (FE1/0/2 and FE1/0/3) must be access ports. Lets see the diagram below to get us started:Ī Cisco Layer 2 switch carries two VLANs (VLAN 10 – RED and VLAN 20 – GREEN) with two hosts connected to them as shown on the diagram above. This configuration is usually asked as a question in CCNA exams, so I hope it will be helpful for people preparing for certification. In this post I will explain how to provide routing between two VLANs on a simple Layer 2 switch using a Cisco router with just one interface.
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