Script de replicação de DHCP no MikroTik!!

Summary

Francisco Neto shares a practical solution using AI scripts to resolve a common networking issue. He explains how to configure two edge routers with VRRP for high availability, avoiding IP conflicts with DHCP servers. He also demonstrates automating the process of making IP static upon DHCP assignment and replicating this across routers using MikroTik's REST API. The video highlights the efficiency of AI in script development, showcasing a real-world application that saves time and effort.

Takeaways

• 😀 Francisco Neto shares a solution using scripts and artificial intelligence to solve a common problem faced by people in their daily tasks.
• 🔌 The problem discussed involves connecting two edge routers to a switch for high availability and load balancing.
• 📡 The solution proposed is to use the VRRP (Virtual Router Redundancy Protocol) for creating high availability between routers.
• 💡 Francisco suggests two methods to avoid DHCP conflicts: using 'delay' on the backup router or disabling DHCP on the backup router and enabling it when the primary router fails.
• 🛠️ A script is created to automate the process of making an IP static on the DHCP server and replicating this configuration on another router.
• 📝 The script is designed to run within the DHCP server's script settings and checks for existing MAC addresses to avoid duplicates.
• 🔗 The script uses the MikroTik's REST API to communicate between routers and replicate the static IP configuration.
• 💻 Francisco demonstrates the creation of the script using an AI tool, which he finds to be faster and more efficient than doing it manually.
• 👨‍💻 Despite initial errors in the script generated by AI, Francisco corrects them and successfully implements the solution.
• 🎓 The video serves as a tutorial on leveraging artificial intelligence to create custom scripts, showcasing the potential for solving unique problems and automating tasks.

Q & A

What is the main problem discussed in the video?

The main problem discussed is achieving high availability between two edge routers connected to a switch, ensuring that if one router fails, the other can take over without any downtime, especially in a network composed solely of virtual machines.

What is the solution proposed by Francisco Neto for the high availability issue?

The solution proposed is to use the VRRP (Virtual Router Redundancy Protocol) to create high availability between the routers. Additionally, scripts and artificial intelligence are suggested to automate the process of making IP addresses static and replicating these settings across routers.

Why did the initial attempt with VRRP fail?

The initial attempt with VRRP failed because there was a conflict with the DHCP servers on both routers, causing the virtual machines to receive different IP addresses at different times, which led to inconsistency.

What is the role of DHCP in this scenario?

In this scenario, DHCP is responsible for assigning IP addresses to the virtual machines. The issue arises when both routers have their DHCP servers enabled, causing IP address conflicts. The solution involves managing the DHCP servers to ensure that only one is active at a time to prevent conflicts.

How does the script help in automating the IP assignment process?

The script automates the process by making any IP address assigned via DHCP on the primary router static automatically. It also replicates this static IP assignment to the backup router using REST API, ensuring consistency across routers.

What is the significance of the 'delay' parameter mentioned in the script?

The 'delay' parameter is used to configure a delay in the response time of the backup router's DHCP server. This ensures that the primary router's DHCP server is always preferred, and the backup only takes over when the primary is down.

How does the script ensure that IP settings are replicated to the backup router?

The script uses the REST API to send data from one router to another, allowing it to replicate the static IP settings to the backup router automatically when a virtual machine receives an IP address.

What is the role of artificial intelligence in creating the script discussed in the video?

Artificial intelligence is used to generate the script automatically based on the requirements provided by Francisco Neto. It helps in quickly creating a solution that would otherwise take a significant amount of time and effort to develop manually.

What are the potential benefits of using scripts and AI in network management?

Using scripts and AI in network management can lead to increased efficiency, reduced manual effort, and faster resolution of issues. It also allows for the creation of customized solutions that can adapt to specific network needs and automate routine tasks.

What is the significance of the REST API in the context of the script?

The REST API is significant as it enables communication between routers, allowing the script to perform actions such as creating static IP entries on the backup router remotely, which is crucial for the high availability setup.