Exploring MikroTik RouterOS VLAN Configuration For Network Segmentation
If you are familiar with the structure of a network, you would know that the virtual local area network (VLAN) is a type of network concept that allows you to segregate a large network into smaller logically separate networks. With VLANs, you can not only improve the performance of your network by reducing network congestion, but also increase the level of security, as well as simplify network administration.
In this article, we'll explain the configuration process involved in VLAN routing between MikroTik RouterOS. The configuration involves several steps, and we'll go through each of them in detail.
VLAN Configuration:
The first step in VLAN routing configuration involves setting up the VLANs on the switches and the routers that connect them. The VLAN configuration process involves several steps:
- Identify the VLANs you want to create and their corresponding VLAN IDs.
- On the switch(es), configure the VLANs and their corresponding VLAN IDs.
- Configure the VLAN interfaces on the router.
- Create VLAN sub-interfaces on the router for each VLAN.
- Connect the switch(es) to the router and configure the respective ports on the switch(es) as trunk ports.
VLAN Tagging:
The next step is VLAN tagging, which involves adding a VLAN ID to each packet that belongs to a particular VLAN. This is done so that network devices can understand which VLAN a packet belongs to and properly route it. The process of VLAN tagging involves:
- Configuring the port(s) on the switch(es) that connect to the router as trunk ports.
- Configuring the router to accept VLAN-tagged frames on the trunk ports.
- Configuring the router to remove the VLAN tags and properly route the packets to their destination.
InterVLAN Routing:
Once the VLANs have been created and VLAN tagging has been configured, you can then proceed to interVLAN routing. InterVLAN routing is the process of allowing communication between different VLANs on the same network. The process of interVLAN routing involves:
- Configuring the router to create sub-interfaces for each VLAN.
- Assigning an IP address to each sub-interface.
- Configuring the router to allow communication between the sub-interfaces.
VLAN Routing:
The final step in VLAN routing configuration is VLAN routing itself. VLAN routing is the process of allowing communication between VLANs on different networks. The process of VLAN routing involves:
- Configuring the router's physical interface(s) for the network(s) to be connected.
- Configuring the router to create a VLAN aware bridge between the physical interface(s) and the VLAN sub-interfaces.
- Assigning an IP address to the VLAN-aware bridge interface.
- Configuring the router to allow communication between the VLAN sub-interfaces and the VLAN-aware bridge interface.
- Configuring the router to allow communication between the VLAN-aware bridge interface and the physical interface(s).
By following these steps, you can successfully configure VLAN routing between MikroTik RouterOS. This configuration not only enhances network performance and security, but also makes network administration much more simple and straightforward.
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