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Packet Flow and Expected Traffic

Easy Explanation of Traffic Behavior

Now that you have learned about physical In/Out-Interfaces on the packet flow diagram and the determining roles of the traffic direction, it is time to discuss the three main types of expected network traffic, namely In, Out & Forward, and how to monitor them in RouterOS.


Our latest video talks about this issue so without further ado, take a look below:

Here's the Gist

In this video, we discuss the behavior of three types of network traffic: 1. Input, 2. Output, and 3. Forward.


After a brief reminder of the Local Area and Wide Area Networks from the viewpoint of the Class AP on our MTCNA home lab, we take turns talking about each of there traffic types, discussing their main characteristics and how they behave on a simple network.


Afterward, we talk about firewall filter rules and how they, together with logging, can help you monitor these traffic variations as they travel through your network.


We also touch upon the use cases of setting up firewall configurations on each of these traffic types, a topic that will be discussed in more and more details as we move down the road.

Subscribe and watch all videos as we explore Packet Flow in detail!

We've Just Started Module 3...

If you're behind on our tutorials, we have just started the third module of our Online MTCNA Program. We're dealing with the main subject of firewall as Module 3 since it will pop up repeatedly in subjects such as bridging, routing, wireless and so on.

The good news is that we're not that far along yet, and you can catch up by watching the video below as well that deals with the topic of physical interfaces on the packet flow diagram.

Interested in MikroTik Engineering Courses?

In addition to our free MTCNA program that is always available on our YouTube channel, we are offering a number of more advanced MikroTik engineering courses both in-person and online.


If you're interested, head over to our training webpage and check out these courses and their dates. Alternatively, you can always give us a call to find out more!

MikroTik News

Explore the transformative power of MikroTik's L3 hardware offloading and how it's reshaping the networking landscape. Discover the benefits, challenges, and upgrade opportunities for your network. Join us in the future of networking!

Explore MikroTik's latest 'Back to Home' feature, designed to simplify remote network access, especially in double NAT scenarios. Dive into its technical aspects, benefits, and implementation, and discover how MikroTik continues to prioritize home users and small businesses with innovative solutions.

In today's fast-paced digital world, the demand for higher bandwidth and faster transmission speeds is ever-increasing. As enterprises and data centers shift towards 100G Ethernet data transmission, MikroTik stands at the forefront with its latest offering: the CRS504-4XQ-IN Switch.

The CRS504-4XQ-IN is not just another switch in the market. It's your compact, energy-efficient gateway to the world of 100 Gigabit networking. Designed as the next logical step for those looking to upgrade from 10 or 40 Gigabit networks, this switch boasts multiple powering options and dual hot-swap power supplies.

In the rapidly evolving world of networking, the demand for faster data transfer rates is relentless. As more PCs and client devices ship daily with 2.5G ports, the market for multi-gigabit speeds is expanding at an unprecedented rate.


 Until recently, the leap from 1G to 10G was a costly endeavor for many. However, the landscape is shifting, and MikroTik's CRS310-8G+2S+IN is at the forefront of this change.