To limit bandwidth on an MPLS link using a MikroTik device, you can use various tools offered by RouterOS, such as Simple Queues, Queue Tree, or even more advanced traffic control policies. if finer granularity and control is required.
Here's how to set up a simple queue, which is one of the simplest and most common methods of limiting bandwidth:
Step 1: Access RouterOS
First, make sure you can access the MikroTik RouterOS either through WinBox, WebFig, or SSH.
Step 2: Configure a Simple Queue
Simple queues are an efficient way to manage and limit bandwidth for all traffic passing through the router or for certain destinations or services.
Create a new Simple Queue:
- Navigate to “Queues” in the RouterOS main menu.
- Select the tab “Simple Queues”.
- Click on “+ (Add)” to create a new queue.
- Set the parameters from the tail:
- Name: Assigns a descriptive name to the queue.
- Target: Specifies the IP address or range of IP addresses to which the throttling will apply. You can use the MPLS link address or specific subnets.
- Max Limit: Sets the maximum bandwidth limit for upload and download. For example, 10M/10M for 10 Mbps up and down.
Step 3: Apply and Monitor
After configuring and applying the queue, traffic to and from the IP address or network specified in “Target” will be limited by the established parameters. You can monitor bandwidth usage in real time in the same “Simple Queues” section.
Additional considerations:
- Priorities: You can set different priorities within queues to manage the most critical traffic preferentially.
- Queue Tree: For more advanced control, consider using “Queue Tree” which allows more detailed configuration and the ability to use mangle to mark packets and classify traffic based on various criteria.
- MPLS Specific Settings: If you are using MPLS-specific features such as VPLS or tagged traffic, make sure the queues are configured to properly handle this type of traffic.
Limiting bandwidth on an MPLS link is crucial to ensure adequate network performance and avoid congestion, especially in environments where network resources are shared or limited.
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